Complete Clutch Set For Gy6 50cc clutch set included 1clutch Assembly, 1Variator Assembly, 1 669 belt, You can get a complete clutch for your vehicle.. Premium Materials Fit for Gy6 clutch set fits for GY6 50cc 4-Stroke Engine, for GY6 50cc 139QMB Engine.It is made of premium iron and aluminum to make sure it can be sturdy, durable, maximum torque, wear-resisting and fast heat dissipation.. Package Feature Clutch Assembly included 22 Splines Inside The Clutch Drum Bell ID of Spline Area 12mm OD of Drum 115mm ID of Drum 105mm. Variator AssemblyRoller Size 1613mm, 669 Belt, Belt key parameter 669x18.1.. Package Included 1clutch Assembly, 1Variator Assembly, 1 669 belt.. AFTER-SALES SERVICE- High quality assurance And we provide after-sales service policy. If you have any problems, please contact us first, we will try our best to slove your problem..

FITMENT High Performance Upgrade 52mm2.05 Cylinder Rebuild Kit for GY6 49cc 50cc 60cc 80cc 100cc engine.Top end rebuild kit compatible with most of Chinese Made Scooters and ATVs,such as JONWAY,JMSTAR,ROKETA,SUNL,TANK,PEACE,TAOTAO.. SIZEInner Diameter of Cylinder 52mm2.05Outer Diameter of Piston Pin 13mm0.51.An aftermarket engine kits affordable and easy to install with all necessities.. REBUILD OUR COMPLETE ENGINETop end rebuild kits contains all necessary to rebuild the top end on our motorcycle or ATV.Package include Cylinder x1,Piston Kit x1,Piston Ring Set x1,Gasket Kit x1,Spark Plug x1,Industrial Gloves x2.. HIGH QUALITY MATERIALThe powersports engine kits are made of durable material.Piston kits are made of strong aluminium, with excellent wear resistance,fatigue resistance,corrosion resistance and high temperature resistance.. GOOD SEALING PERFORMANCECylinder piston ring gasket kit with precise density to provide a reliable seal with minimal tightening.A pair of industrial gloves for you to keep your hands clean and protected while you install the product.. RELIABLE A7TC SPARK PLUGHigh quality alloys and new ceramic insulators processed by precision instruments make the spark plug wear-resistant, high-temperature resistant,safe,long-lasting.Effectively prevent the gas from leaking out and prevent the engine from shaking..

FITMENTThis cylinder kit fit for 250cc Air Cooled Engine ATV Quad Bike 4 Wheeler Go Kart Go Cart Dirt Bike Pit Bike 4. SizeWith a 67mm cylinder bore, this kit significantly increases the engine displacement for improved performance. HIGH QUALITY MATERIALThe cylinder head kit are made of strong aluminium with excellent heat resistance and corrosion resistance, it can work stably for a long time under high temperature and high pressure environments to extend its service life. the choice of high-performance materials not only improves the durability of the product, but also ensures performance under extreme conditions. HIGH QUALITYHigh grade cylinder components, featuring high strength, corrosion resistance, and durability, with effective heat dissipation design ensuring dependable operation and longevity. GOOD SEALING PERFORMANCECylinder kit with precise density to provide a reliable seal with minimal tightening. REBUILD OUR COMPLETE ENGINETop end rebuild kits contains all necessary to rebuild the top end on our motorcycle or ATV.Package include Cylinder x1,piston kit x1,piston ring set x1,gasket kit x1.

Easy Installation Universal FitDesigned for effortless installation, compatible with 39mm Bore 4-stroke GY6 50cc, 139QMA, 139QMB engines, and fits scooters, mopeds, go-karts, and ATVs seamlessly.. Premium Material DurabilityMade from high-quality materials with corrosion resistance and wear resistance, featuring a thickened shell for enhanced durability and long-lasting performance.. High Performance Efficient CoolingDelivers strong power with super heat dissipation design, ensuring stable operation, oil-saving efficiency, and consistent performance under heavy use.. Robust Construction ReliabilityHigh-toughness build with rustproof properties and optimized heat dissipation structure, guaranteeing reliable performance and extended service life.. Precision Engineering ProtectionFine-manufactured with corrosion-resistant and durable features, ensuring protection against harsh conditions for sustained optimal performance..

Easy Installation Universal FitDesigned for effortless installation, compatible with 47mm Bore 4-stroke GY6 80cc, 139QMA, 139QMB engines, and fits scooters, mopeds, go-karts, and ATVs seamlessly.. Premium Material DurabilityMade from high-quality materials with corrosion resistance and wear resistance, featuring a thickened shell for enhanced durability and long-lasting performance.. High Performance Efficient CoolingDelivers strong power with super heat dissipation design, ensuring stable operation, oil-saving efficiency, and consistent performance under heavy use.. Robust Construction ReliabilityHigh-toughness build with rustproof properties and optimized heat dissipation structure, guaranteeing reliable performance and extended service life.. Precision Engineering ProtectionFine-manufactured with corrosion-resistant and durable features, ensuring protection against harsh conditions for sustained optimal performance..

Easy Installation Universal FitDesigned for effortless installation, compatible with 50mm Bore 4-stroke GY6 100cc, 139QMA, 139QMB engines, and fits scooters, mopeds, go-karts, and ATVs seamlessly.. Premium Material DurabilityMade from high-quality materials with corrosion resistance and wear resistance, featuring a thickened shell for enhanced durability and long-lasting performance.. High Performance Efficient CoolingDelivers strong power with super heat dissipation design, ensuring stable operation, oil-saving efficiency, and consistent performance under heavy use.. Robust Construction ReliabilityHigh-toughness build with rustproof properties and optimized heat dissipation structure, guaranteeing reliable performance and extended service life.. Precision Engineering ProtectionFine-manufactured with corrosion-resistant and durable features, ensuring protection against harsh conditions for sustained optimal performance..

Easy Installation Universal FitDesigned for effortless installation, compatible with 57.4mm Bore 4-stroke GY6 150cc, 152QMI157QMJ engines, and fits scooters, mopeds, go-karts, and ATVs seamlessly.. Premium Material DurabilityMade from high-quality materials with corrosion resistance and wear resistance, featuring a thickened shell for enhanced durability and long-lasting performance.. High Performance Efficient CoolingDelivers strong power with super heat dissipation design, ensuring stable operation, oil-saving efficiency, and consistent performance under heavy use.. Robust Construction ReliabilityHigh-toughness build with rustproof properties and optimized heat dissipation structure, guaranteeing reliable performance and extended service life.. Precision Engineering ProtectionFine-manufactured with corrosion-resistant and durable features, ensuring protection against harsh conditions for sustained optimal performance..

FITMENTThe 8 coil Magneto Roller Flywheel Kit is direct replacement for GY6 125cc 150cc 152QMI 157QMJ Engine Scooter Moped ATV Quad Go-Kart Buggy.Fits Most of Chinese Made Scooter,Moped and ATV. Such as Hammerhead, JONWAY, JMSTAR, ROKETA, SUNL, TANK, PEACE, TAOTAO, Dongfang, Kazuma, JCL, BMS, ZNEN, LIFAN.. SPECIFICATIONInner Diameter 90mm3.54inch Outer Diameter not Including tab 109mm4.3inch.Inside Mounting Hole has a Cut-out Keyway.Aftermarket Magneto Rotor Flywheel Built to Meet OEM Specifications. Package Included1xmagneto stator,1 x Magneto Flywheel Rotor,1Magneto flywheel puller,1Clutch lock tool.. HIGH QUALITY MATERIALConstructed by sophisticated stainless steel materials for maximum durability,this Magneto Stator Flywheel is bringing with wear and impactproof.Real copper wire of the stator winding for increasing power, reducing heat generation, and brighter light output.The copper contacts on the connectors fit tightly and won't easily loosenDurable and long lasting.. HIGH PERFORMANCE STATOROur 8-coil magneto stator can effectively reduce the occurrence of electrical malfunctions, improve starting success, and ensure smoother engine operation, thus enhancing the overall performance and driving experience of our vehicle.. CLUTCH LOCK NUT SPANNER TOOLIgnition Magneto Roller Flywheel Set Including 1 pcs flywheel puller and 1pcs clutch lock tool. Clutch plate hub nut spanner tool designed to loosen fit for GY6 125cc 150cc ATV scooter dirt bikeTighten the lock nut for the removal and installation of a motorcycle clutch, use for 150cc Motorcycle ATV Dirt Bike Go Kart Pit Bike 4 Wheeler..

Brand New, Direct Fit Replacement.. Durable Material The gy6 150cc performance parts is made of robust aluminum and steel with a sandblasting process, which is durable, ensuring a long service life.. Good Compatibility This cylinder kit is a customized gy6 150cc performance parts, specially customized for the GY6 150cc air cooled engine , ATV quad bike, 4 wheeler go kart, go cart, dirt bike, pit bike, 4 wheeler off-roadupgraded to 170cc180cc displacement, which is very professional and targeted.. Powerful Function This cylinder kit is engineered for exceptional performance, boosting power output and operational efficiency. Featuring precision engineering and premium components, gy6 150cc performance parts significantly enhances engine horsepower and torque, delivering an exhilarating riding experience. For users seeking a powerful upgrade, it transforms your engine into a formidable powerhouse.. Note We strongly recommend professional installation..

COMPATIBILITY Cylinder Kit fit for 125cc-150cc cylinder 157QMJ 152QM Jonway, Jmstar, Roketa, Sunl, Tank, Peace, Taotao, suitable for most Chinese made scooters and ATVs. SIZE Cylinder Bore 57.4MM,Cylinder head height and bolt pattern 60mm, 76mm This cylinder will not work on the 80mm bolt pattern. HIGH PERFORMANCECylinder kit is strong power,super heat dissipation,durable and oil saving,stable performance. HIGH QUALITYHigh grade cylinder components, featuring high strength, corrosion resistance, and durability, with effective heat dissipation design ensuring dependable operation and longevity. PROFESSIONAL AFTER SALESWe value your shopping experience and strive to offer a high-quality product and service.If you have any problems or dissatisfaction after receiving the products, please contact us directly.

COMPATIBILITY Cylinder fits for GY6 4 stroke 125cc150cc engine for most of chinese scooter, atv and go karts.NotedIt is upgrade cylinder kits, the outer size of the cylinder is 63.8mm, the normal gy6 engine 125150cc cylinder outer size is 61mm, you have to bore out the crank case for this to fit on most bikes with machine shop work. SIZE Cylinder BoreUpgrade from 57.4mm to 61mm, outer size 63.8mm Cylinder kits with more power. HIGH PERFORMANCECylinder kit is strong power,super heat dissipation,durable and oil saving,stable performance. HIGH QUALITYHigh grade cylinder components, featuring high strength, corrosion resistance, and durability, with effective heat dissipation design ensuring dependable operation and longevity. PROFESSIONAL AFTER SALESWe value your shopping experience and strive to offer a high-quality product and service.If you have any problems or dissatisfaction after receiving the products, please contact us directly.

Fitment Replacement for Apollo Replacement for CRF Replacement for Lifan 125cc Horizontal Engine Chinese Motorcycle ATV Go Kart Dirt Bike.. MaterialFabricated from aluminum to ensure durability and extended service life in high-stress engine environments.. Specification Precision 52.4mm bore diameter with aluminum construction ensures structural durability and optimized engine performance.. Function Incorporates a 14mm precision piston pin and flat-top design to streamline installationmaintenance while promoting stable engine operation.. Package Included 1 x Cylinder Big Bore Kit..

Fit GY6 50cc-100cc 69mm 4 Strokes 139QMB or 139QMI engines Scooter. Cylinder HeadIntake Valve OD 18mmExhaust Valve OD 16mm Head Assembly with 69mm. Valves 100cc Cylinder Diameter 50mm Wrist Pin OD 12.77mm. Fit ModelsFor scooters with 139QMB or 139QMI engines Scooter. Before ordering check your head assembly for the correct valve length..

FITMENTThis cylinder kit fit for GY6 125cc 150cc 1P52QMI 1P57QMJ Engine Scooter Moped ATV Quad.Our bore is 62mm, which is 125150 enlarged to 180.185.190cc. HIGH QUALITY MATERIALThe cylinder head kit are made of strong aluminium with excellent heat resistance and corrosion resistance, it can work stably for a long time under high temperature and high pressure environments to extend its service life. the choice of high-performance materials not only improves the durability of the product, but also ensures performance under extreme conditions. HIGH QUALITYHigh grade cylinder components, featuring high strength, corrosion resistance, and durability, with effective heat dissipation design ensuring dependable operation and longevity. GOOD SEALING PERFORMANCECylinder kit with precise density to provide a reliable seal with minimal tightening.A pair of industrial gloves for you to keep your hands clean and protected while you install the product. REBUILD OUR COMPLETE ENGINETop end rebuild kits contains all necessary to rebuild the top end on our motorcycle or ATV.Package include Cylinder x1,piston kit x1,piston ring set x1,gasket kit x1,industrial gloves x1.

Fitment 150cc 57.4mm Bore Cylinder Top End Rebuild Kit Fit for Moto Scooter 150cc GY6 Chinese Scooter 157QMJ Engines. Such as Fit for Hammerhead 150 Fit for Gy6 150 cc Fit for BMS King Cobra 150 cc go kart Fit for Taotao150.... Specification Cylinder with bore 57.4mm, 76mm Bolt Pattern 2 12 Tall Head.. FeaturesCylinder Ring Gasket kit with precise density to provide a reliable seal with minimal tightening. Cylinder Ring Gasket kit set made of strong cast-iron, nice kit to rebuild an engine.. Direct Replacement Cylinder ring gasket kit sets engineered from premium materials, durable and reliable.. Package Included 1 Set 150CC Top End Cylinder Piston Gasket Kit..

Fit GY6 150cc 180cc 61mm 4 Strokes 152QMI 157QMJ Engine Scooter Moped. Cylinder HeadIntake Valve OD 26mmExhaust Valve OD 23mmCombustion Chamber Diameter-61mm. Cylinder BodyBore 61mmPiston Diameter 61mm Piston Pin Diameter 15mm.

Fitment Cylinder Piston Gasket Kit Fit for 150cc GY6 ATV Moped Scooter Go Kart 157QMJ Engines.. Specification Material Strong Cast-iron. 57.4mm Bore Piston. No installation instruction included, professional installation required.. Direct Replacement Cylinder piston ring gasket kit sets engineered from premium materials, durable and reliable. No need any modifications to install in your motor.. Features Cylinder Piston Ring Gasket kit with precise density to provide a reliable seal with minimal tightening. Nice kit to rebuild an engine.. Package Included 1 x 57.4mm Bore Cylinder Piston Gasket Rebuild Kit. as pictures showing..

Cylinder diameter57.4 mm2.25Piston diameter57.4mm2.25Piston pin diameter15mm0.59Piston pin length42mm1.65Please check the size carefully before you place the order.. Big Bore Cylinder Kit Replacement for TaoTao SUNL Buyang JCL Baja 150cc 4stroke GY6 157QMJ Engine Rebuild Kit Chinese Scooter.. The cylinder is the core of the engine.It burns the mist-like oil and air in it,pushes the piston inside to move up and down,converts chemical energy into mechanical energy,and generates power.. The reticulated process has good sealing performance,increases the contact surface,increases the oil storage and lubrication function,reduces wear and reduces fuel consumption.Efficient heat dissipation,strong power,durable and wear-resistant.. WarrantyWe are always available to help our customers.If you are not satisfied with the order,please leave us a message.Wish you have a happy shopping experience,we are committed to providing the best service..

FITMENTReplacement for 150 cc scooter piston rings GY6 150cc 157QMJ Engine VESPA JCL SUNL Chinese ATV Go Kart Moped Scooter.. SIZEThe piston diameter57.4mm2.25Pistion Pin Diameter15mm0.59The length of piston pin42mm1.65.. PACKAGE INCLUDES157.4mm 2.25in Piston,1 set Piston Rings ,2 Gasket , 1Piston Pin, 2G-ring, 2valve oil seals,1sparking plug.. HIGH QUALITY MATERIALThe cylinder is the core of the engine.It burns the mist-like oil and air in it,pushes the piston inside to move up and down,converts chemical energy into mechanical energy,and generates power,Has a good heat dissipation structure design,providing reliable performance and long life service.. HIGH PERFORMANCEThe reticulated process has good sealing performance,increases the contact surface,increases the oil storage and lubrication function,reduces wear and reduces fuel consumption.Efficient heat dissipation,strong power,durable and wear-resistant..

FITMENTHigh Performance Bore cylinder kit fit for 4 stroke GY6 125cc-150cc 58.5mm2.3 152QMI 157QMJ engine.Top end rebuild kit compatible with most of Chinese Made Scooters and ATVs,such as JONWAY,JMSTAR,ROKETA,SUNL,TANK,PEACE,TAOTAO. NOTENOT FIT for GY6B Engine with 57mm Stud Spacing.. SIZEInner diameter of cylinder58.5mm2.3, Hole spacing54mm2.12, Outer diameter of piston pin15mm5.9. An aftermarket engine kits affordable and easy to install with all necessities.. REBUILD OUR COMPLETE ENGINETop end rebuild kits contains all necessary to rebuild the top end on our motorcycle or ATV.Package include Cylinder x1,Piston Kit x1,Piston Ring Set x1,Gasket Kit x1,Spark Plug x1,Industrial Gloves x2.. HIGH QUALITY MATERIALThe powersports engine kits are made of durable material.Piston kits are made of strong aluminium, with excellent wear resistance,fatigue resistance,corrosion resistance and high temperature resistance.. GOOD SEALING PERFORMANCECylinder piston ring gasket kit with precise density to provide a reliable seal with minimal tightening.A pair of industrial gloves for you to keep your hands clean and protected while you install the product.. RELIABLE A7TC SPARK PLUGHigh quality alloys and new ceramic insulators processed by precision instruments make the spark plug wear-resistant, high-temperature resistant,safe,long-lasting.Effectively prevent the gas from leaking out and prevent the engine from shaking..

REPLACEMENT FOR Agility 150Taotao 150Lance Vintage 150Eaglecraft 150Znen 150Tank 150Retro 150BMS 150Baja SC150Yerfdog GX150Yerfdog 206 Go KartSpiderbox 150ccCoolster 3150DX2Howhit 150cc Engine2010 Hammerhead BuggyNOT REPLACEMENT FOREGR Engine. SIZECylinder diameter57.4mm2.3Piston pin diameter15mm0.59Piston pin length42mm1.7As the picture shows. EASY TO INSTALLHigh quality cylinder replacement part.High toughness,corrosion resistance,rustproof and durable.Has a good heat dissipation structure design,providing reliable performance and long life service. NOTEPlease verify model number and size prior to ordering to ensure this is the correct part. WOOSTAR CUSTOMER SERVICEAlways available to help our customers.Please message us for replacement or refund if you are not satisfied with the orderBe happy Online in your time..

FITMENTBore cylinder kit fit for 4 stroke GY6 150cc 57.4mm 152QMI 157QMJ engine.Fits the 157QMJ engines with the EGR head,76mm bolt pattern 2 12 tall head.Top end rebuild kit compatible with most of Chinese Made Scooters and ATVs,such as JONWAY,JMSTAR,ROKETA,SUNL,TANK,PEACE,TAOTAO. NOTE It will not work on the 80mm Bolt Pattern.. SIZEInner diameter of cylinder57.4mm2.26,hole spacing54mm2.13,outer diameter of piston pin15mm0.6.An aftermarket engine kits affordable and easy to install with all necessities.. REBUILD OUR COMPLETE ENGINETop end rebuild kits contains all necessary to rebuild the top end on our motorcycle or ATV.Package include Cylinder x1,Piston Kit x1,Piston Ring Set x1,Gasket Kit x1,Spark Plug x1,Industrial Gloves x2.. HIGH QUALITY MATERIALThe powersports engine kits are made of durable material.Piston kits are made of strong aluminium, with excellent wear resistance,fatigue resistance,corrosion resistance and high temperature resistance.. GOOD SEALING PERFORMANCECylinder piston ring gasket kit with precise density to provide a reliable seal with minimal tightening.A pair of industrial gloves for you to keep your hands clean and protected while you install the product.. RELIABLE A7TC SPARK PLUGHigh quality alloys and new ceramic insulators processed by precision instruments make the spark plug wear-resistant, high-temperature resistant,safe,long-lasting.Effectively prevent the gas from leaking out and prevent the engine from shaking..

High Quality--High quality cylinder kit, made of solid metal, has a long service life and can be purchased with confidence.. Installation--You can replace the installation completely. We do not provide installation instructions, because we recommend professional installation.. Specification--Head 64mm valves Cylinder Size 50mm ID Intake Valve Diameter 18mm Exhaust Valve Diameter 16mm.. Fits--For 139QMB 1P39QMB GY6 4 Stroke Chinese Scooters.. Intake Valve Diameter--18mm..

Compatible with scooters 139QMB and 49cc and 50cc GY6 engines. Design for 50cc. Note To ensure you are ordering the correct belt for your machine. Please reference your OEM part number listed in your user's manual or the OEM sticker on your machine.. The kit was air cool kit. Please check and make sure this fit for your car before ordering..

High-Performance CompatibilityFitmrnt for GY6 150cc engines Upgrade to 180cc, including fit for Jog 50-100, CNCF 250, YP VOG 250-300 Moto and fit for Yamaha Taotaofor Honda, for Polaris Scooter, ATV, Quad models.. Durable Metal Build Constructed from robust metal featuring a 61mm bore, 15mm piston pin, and 69mm valve length. Includes a corrosion-resistant coating for longevity and precision meeting OEM specifications.. Comprehensive Replacement Kit Contains essential components like the cylinder head, camshaft, gaskets, and piston. Offers a direct fit for original parts, eliminating the need for modifications. Note Manual measurements could show a slight tolerance of 0.5-1mm.. Expert Installation Advised Designed for professional mechanics or skilled users no installation instructions are provided. Ensures peak performance for high-displacement engines operating on demanding, uneven terrain.. Broad Compatibility Fits a variety of vehicles including Scooters, ATVs, and Quads. Perfect for both engine upgrades and replacement projects..

COMPATIBILITY Cylinder high performance upgrade 47mm Rebuild Kit fits for 139QMB 139QMA Engine.This a Non EGR Cylinder Head, Does Not Have the EGR Port. SIZE Inner Diameter of Cylinder Sleeve 47mm,Outer Diameter of Piston Pin 13mm,Valve Length-69mm, Intake Valve Diameter- 18.5mm, Exhaust Valve Diameter-16mm. HIGH PERFORMANCECylinder kit is strong power,super heat dissipation,durable and oil saving,stable performance. HIGH QUALITYHigh grade cylinder components, featuring high strength, corrosion resistance, and durability, with effective heat dissipation design ensuring dependable operation and longevity. PROFESSIONAL AFTER SALESWe value your shopping experience and strive to offer a high-quality product and service.If you have any problems or dissatisfaction after receiving the products, please contact us directly.

COMPATIBILITY Cylinder fits for Only Fit 54mm Stud Spacing GY6 125cc 150cc 157QMJ Engine. Will Not fit GY6B Engine with 57mm Stud Spacing. SIZE Inner Diameter of Cylinder 58.5mm Outer Diameter of Cylinder 60.3mmIntake Valve Outside Diameter 28mm Length 66mmExhaust Valve Outside Diameter 23mm Length 65.5mm. Comes with a Non EGR Head, Does Not Have the EGR Port. HIGH PERFORMANCECylinder kit is strong power,super heat dissipation,durable and oil saving,stable performance. HIGH QUALITYHigh grade cylinder components, featuring high strength, corrosion resistance, and durability, with effective heat dissipation design ensuring dependable operation and longevity. PROFESSIONAL AFTER SALESWe value your shopping experience and strive to offer a high-quality product and service.If you have any problems or dissatisfaction after receiving the products, please contact us directly.

FitmentFor Scooter Fit forfor Jonway,for Baotian,for Jmstar,for Sym,for Sunny,for Znen,for Wangye,for Qingqi,for Qianjiang Keeway yiying scooter parts.. For Displacement include for Jog 50,90,100, GY6 50,60,70,80,100,125,150,CNCF 250,YP VOG 250 260 300.. For ATV and Quad,fit for for Loncin,for Yamaha,for Linhai,for Honda,for Zongshen,for Buyan,for Polaris,for Bashan,for Hsun,for Shineray,for Jinling,for kazuma,for Lifan,for Taotao,for Suzuki,for chinese,for gsmoon ,for Manco talon etc.. Package includes1BIG BORE CYLINDER KIT inclued Camshaft and Cylinder Head, Gaskets.. NOTE Instruction not included. Professional installation is always recommended..

Designed For Scooters - This engine kit is made for scooters with 139QMB and 49cc and 50cc GY6 engines. It comes with a 50mm cylinder block with 90cc displacement, a racing AC CDI, and A7TC spark plugs.. Power Into Overdrive - Designed to boost and enhance a scooter's horsepower, as well as torque for better acceleration. The larger size allows for increased combustion and burning of air and fuel.. Built To Last - Choose mod parts you can trust. This big bore kit for 49cc scooter's piston rings are made from alloy while the piston is made from aluminum. The cylinder is crafted out of strong steel.. No Frills Installation - Installing and setting up this 49cc bore kit is a breeze. The package includes a detailed and easy-to-follow instruction manual to help you through the installation process.. We Got Your Back - We stand by the quality of our products. If you're not satisfied with the performance of the kit, contact us to avail of our no questions asked 1-year replacement warranty..

Precision Engineered Compatibility-Fitment for GY6 125cc 150cc 152QMI 157QMJ Engines Scooters, ATVs. High-Performance Metal Core-CNC-machined 61mm bore cylinder with corrosion-resistant coating. 15mm piston pin 69mm valve length for OEM-grade durability and heat dissipation.. Complete Upgrade Kit-Includes cylinder head, camshaft, piston, and full gasket set. Zero modifications neededseamless swap for stock parts. Note 0.5-1mm manual measurement variance.. Professional-Grade Build-Engineered for 170cc 180cc high-torque output. Mandatory mechanic installation no instructions. Dominates rough terrains in ATVsQuads.. Universal Vehicle Coverage-Powers scooters, ATVs, mopeds, and quads. Ideal for engine rebuilds or displacement boosts..

Cylinder bore 47mm1.85 Intake valve 20mm0.78 Pin installation spacing 45mm1.77 Exhaust valve 30mm1.18 Pin installation spacing 50mm1. 96 Piston Bore 47mm1.85 Piston Pin Diameter 13mm0.51 Piston Pin Length 37mm1.45 Spark Plug A7TC Please carefully check the goods appearance, size, shape before ordering.. 47mm Big Bore Cylinder Rebuild Kits Replacement Kits for 80cc 4 stroke 139QMB 139QMA GY6 ATV Go Kart Quad Scooter.Non-EGR Engine.. Cylinder rebuild kits is an ideal replacement for your old or broken ones.. The cylinder head with high hardness, corrosion resistance, rustproof and durable, support the piston and reduce friction and leakage, providing reliable performance and long life service.. Warranty We are always available to help our customers.if you are not satisfied with the order,please leave us a message.we wish you have a happy shopping experience,we are committed to provide the best service..

Cylinder Bore 57.4mm Non-EGR Cylinder body. Full sets of parts Complete parts is suitable for motorcycle maintenance shop, motorcycle parts supermarket and personal use with nice price.. Apply to GY6 4 stroke 125cc150cc engine for most of chinese scooter, atv and go karts. Parts includedGY6 150cc Cylinder Head Comp, 57.4mm Bore Cylinder Block, Set of 57.4mm Piston Assy, Piston, Rings and Wrist Pin, Full Set of Engine Gasket, 6pins CDI, Ignition coil, DC regulator, relay, A7TC Spark Plug, Set of Intake Manifold and Muffler Bolts, and Exhaust locking ha, Set of 14 Gram roller , Rocker Arms, Valve Seals, Oil Pump Assy with Driving Gear, Camshaft, Camshaft chain 90, belt 8351830, Chain adjuster, Oil screen, spring, cover and oil seal, Starter clutch, intake mani.

This big cylinder kit will upgrade your gy6 50cc 60cc 80cc to 100cc, without EGR, to get more RPM,more power, faster maximum speed.. 69mm valve length version. Simple Installation. With cylinder body kits, cylinder head kits, camshaft, camshaft seat kits, gaskets kits, oil pump and gear, spring sets, copper roller sets, 6pins racing AC CDI, ignition coil and racing 3-electrode spark plug. Upgrades parts kits for most of 50cc scooter.

FITMENTBore cylinder kit fit for GY6 125cc 150cc to 155cc Engine with a 60mm 2.36inchTall Head,76mm3inch Bolt Pattern 4 Bolt Valve Cover.Top end rebuild kit compatible with most of Chinese Made Scooters and ATVs,such as JONWAY,JMSTAR,ROKETA,SUNL,TANK,PEACE,TAOTAO.. SIZE Combustion Chamber Diameter58.5mm2.3inch, Intake Valve Outside Diameter 28mm1.1 Length 66mm2.6, Exhaust Valve Outside Diameter 23mm0.91 Length 65.5mm2.58 NOTEThis is NOT A EGR HEAD,DOES NOT HAVE THE EGR PORT.. REBUILD OUR ENGINEThe valve size and porting of this high performance head compared to the OEM head is day and night.Package included Cylinder head x1,Bolt x 4,Gasket Kit x1,Spark Plug x1,Industrial Gloves x2.. HIGH PERFORMANCE UPGRADED CYLINDER HEADHigh Performance 155cc Upgrade Cylinder Head for GY6 125cc 150cc to 155cc 4 Stroke Engine.Cylinder head with valves set is strong power,super heat dissipation,durable and oil saving,stable performance.. HIGH PERFORMANCECylinder head with valves set is strong power,super heat dissipation,durable and oil saving,stable performance.The valve size and porting of this high performance head compared to the OEM head is day and night..

Cylinder Bore 47mm Non-EGR Cylinder. Valve length 69mm. Apply to GY6 4 stroke 49cc 50cc 60cc 80cc engine upgrade for most of chinese scooter, atv and go karts. Parts includedGY6 80cc Cylinder Head with 69mm valve, 47mm Bore Cylinder Block, Set of 47mm Piston Assy, Piston, Rings and Wrist Pin, Full Set of Engine Gasket, 6pins CDI, Ignition coil, 4pin AC regulator, relay, A7TC Spark Plug, Set of Intake Manifold and Muffler Bolts, and Exhaust locking ha, Set of 8.5 Gram roller , 69mm Rocker Arms, Valve Seals, Oil Pump Assy with Driving Gear, Camshaft, Camshaft chain 82, belt 6991830, Chain adjuster, Oil screen, spring, cover and oil seal, Starter clu. Fit toRoketa, Sunl, Baja, Taotao, Panterra, Redcat Tank Giovanni Wildfire Xtreme Seaseng Qlink Yiben Jonway Jmstar, Vento.

FITMENTBore cylinder kit fit for ATGT-12Z GY6 49cc 50cc to 100cc Scooter Engine ,69mm Cylinder Head Assy, Fully Assemblied GY6 49cc 50cc 100cc 47mm Cylinder Head. SIZEIntake Valve Diameter- 18.5mm0.72in,Exhaust Valve Diameter-16mm0.63in,Combustion Chamber Diameter-50mm1.97in,NOTEThis a Non EGR Head, Does Not Have the EGR Port.. REBUILD OUR ENGINEThe valve size and porting of this high performance head compared to the OEM head is day and night.Package included Cylinder head x1,Bolt x 6,Gasket Kit x1,Industrial Gloves x2. HIGH QUALITY MATERIALThe bore cylinder kit are made of durable material.The cylinder is made of strong aluminium,long lasting.An aftermarket cylinder head set is affordable and easy to install.. HIGH PERFORMANCECylinder head with valves set is strong power,super heat dissipation,durable and oil saving,stable performance.The valve size and porting of this high performance head compared to the OEM head is day and night..

Fits for Big Bore Haomai GY6 150CC 200CC 61mmInclined vane cylinder. Piston Diameter Cylinder Bore Size approx. 61mm.. Piston dome is anodized for superior heat resistance and longer lifespan. Please allow 1-3mm error due to manual measurement. Thanks for your understanding.. Please check whether your model and parameters are consistent with ours..

REPLACEMENT FOR4 Stroke GY6 170cc 180cc 200cc 1P63QML Engine Chinese ATV Quad 4 Wheeler Go Kart ScooterNOT REPLACEMENT FORDaelim 1999 VTGY6 A Engine. SIZEPiston diameter62.5mm2.5Piston pin diameter15mm0.59Mounting hole distance60mm2.4As the picture shows. EASY TO INSTALLHigh quality cylinder replacement part.High toughness,corrosion resistance,rustproof and durable.Has a good heat dissipation structure design,providing reliable performance and long life service. NOTEPlease verify model number and size prior to ordering to ensure this is the correct part. WOOSTAR CUSTOMER SERVICEAlways available to help our customers.Please message us for replacement or refund if you are not satisfied with the orderBe happy Online in your time..

Total length77mm3.03as shown in the picture. 34teeth,light weight sprocket.Used for GY6 125cc-150cc engineAlso fit 58.5mm, 61mm and 63mm Big Bore Kit. This camshaft will replacement on may Chinese made GY6 125cc-150cc 152QMI 157QMJ scooter. GY6 high performance light weight camshaft.made of high-quality aluminum alloy material. WarrantyWe are always available to help our customers.Please message us for replacement or refund if you are not satisfied with the order.

Cylinder Inner Diameter62.5mm2.46Head Stud Spacing54mm2.12Exhaust valve30mm1.1828mm1.1Bolt installation spacing42mm1.65Piston diameter62.5mm2.46Piston pin diameter15mm0.59Please Be Carefully Check The Goods Appearance,Size,Shape Before Ordering.. Cylinder Head Valves Replacement for 4 Stroke GY6 B 170cc 180cc 200cc 1P63QML Engine Chinese ATV Quad 4 Wheeler Go Kart Scooter.Replacement for B case engine.. Easy to Install.The Cylinder Rebuild Kits Is An Ideal Replacement for Your Old Or Broken Ones.. The Cylinder Head With High Toughness,Corrosion Resistance,Rustproof And Durable,Support The Piston And Reduce Friction And Leakage,Providing Reliable Performance And Long Life Service.. WarrantyWe are always available to help our customers.If you are not satisfied with the order,please leave us a message.Wish you have a happy shopping experience,we are committed to providing the best service..

REPLACEMENT FORKandi 200cc Go Kart4 Stroke GY6 170cc 180cc 200cc 1P63QML Engine Chinese ATV Quad 4 Wheeler Go Kart ScooterNOT REPLACEMENT FOR2008 CG 125 ModelGY6 A Engine161QNK Engine. SIZECylinder inner diameter62.5mm2.5Exhaust port diameter30mm1.2Bolt hole spacing55mm2.260mm2.4Intake port diameter26mm1.0As the picture shows. EASY TO INSTALLHigh quality cylinder replacement part.High toughness,corrosion resistance,rustproof and durable.Has a good heat dissipation structure design,providing reliable performance and long life service. NOTEPlease verify model number and size prior to ordering to ensure this is the correct part. WOOSTAR CUSTOMER SERVICEAlways available to help our customers.Please message us for replacement or refund if you are not satisfied with the orderBe happy Online in your time..

Inner diameter of cylinder57.4mm22.6,hole spacing54mm2.12,outer diameter of piston pin15mm5.9as the picture shows. Replacement for 4 stroke gy6 150cc 152qmi 157qmj engine,157qmj engines with the egr head,76mm bolt pattern 2 12 tall head.. Made of high-strength material,fast heat dissipation,anti-wear,long-term high-load operation is not easy to deform,high-temperature and high-pressure resistance,reduce friction loss,effectively reduce the risk of oil burning.. Precision machining of the cylinder wall and piston clearance,reduce gas leakage speed faster,optimize the combustion chamber design,reduce fuel consumption.. Package including cylinder head,gaskets,piston,piston rings,clips,wrist pin..

39mm bore cylinder piston kitPlease Be Carefully Check The Goods Appearance,Size,Shape Before Ordering.. 39mm Bore Cylinder Rebuild Kit Replacement for 4 Stroke GY6 49cc 50cc ATV Scooter.. Preferred Material,Fine Manufacture,Corrosion Resistance,Wear Resistance,Strong And Durable,Shell Thickened More Durable.. Strong Power,Super Heat Dissipation,Durable And Oil Saving,Stable Performance.. WarrantyWe Are Always Available To Help Our Customers.If You Are Not Satisfied With The Order,Please Leave Us A Message.Wish You Have A Happy Shopping Experience,We Are Committed To Providing The Best Service..

Inner diameter of cylinder 47mm,outer diameter of piston pin 13mm.. Replacement for gy6 49cc 50cc 60cc 80cc engine.. Made of high-strength aluminum alloy and wear-resistant coating, it has excellent high-temperature and wear-resistant performance, and its robust structural design is able to maintain stability under high loads and long-time running conditions, prolonging the life of the engine and reducing maintenance costs.. The installation process is simple and quick, without the need for complex modifications, allowing you to easily complete the engine upgrade and quickly improve the performance of your vehicle.. Products include cylinders, pistons, piston rings, piston pins, piston pin clips, valve seals, gaskets, tensioner gaskets, exhaust gaskets, intake and exhaust bolts, and exhaust nuts..

1.Please note this kit is only used for GY6 139QMB 4-Stroke Engine.. 2.Inner Diameter of Cylinder 50mm. 3.Outer Diameter of Piston Pin 13mm. 4.Include Cylinder,Piston,Piston Ring,Piston Pin,Piston Pin Clip,Valve Oil Seal,Gaskets,Tensioner Gasket,Exhaust Gasket,IntakeExhaust Studs,Exhaust Nut. 5. High Performance Upgrade 50mm Cylinder Rebuild Kit for GY6 49cc 50cc 60cc 80cc 100cc engine.

Good Compatibility This product is a customized product, specially customized for the GY6 150cc air cooled engine , ATV quad bike, 4 wheeler go kart, go cart, dirt bike, pit bike, 4 wheeler off-roadupgraded to 170cc180cc displacement, which is very professional and targeted.. Durable Material The cylinder kit is made of robust aluminum and steel with a sandblasting process, which is hard-wearing and durable, ensuring a long service life.. Powerful Function This kit is engineered for exceptional performance, boosting power output and operational efficiency. Featuring precision engineering and premium components, it significantly enhances engine horsepower and torque, delivering an exhilarating riding experience. For users seeking a powerful upgrade, it transforms your engine into a formidable powerhouse..

1.Inner Diameter of Cylinder 47mm. 2.Outer Diameter of Piston Pin 13mm. 3.High Quality Durable Piston Rings. 4.Include Cylinder,Piston,Piston Ring,Piston Pin,Piston Pin Clip,Valve Oil Seal,Gaskets,Tensioner Gasket,Exhaust Gasket,IntakeExhaust Studs,Exhaust Nut. 5. High Performance Upgrade 47mm Cylinder Rebuild Kit for GY6 49cc 50cc 60cc 80cc engine.

Fit GY6 150cc 180cc 61mm 4 Strokes 152QMI 157QMJ Engine Scooter Moped. Cylinder HeadIntake Valve OD 26mmExhaust Valve OD 23mmCombustion Chamber Diameter-61mm. Cylinder BodyBore 61mmPiston Diameter 61mm Piston Pin Diameter 15mm. Noted It is upgrade cylinder kits, the outer size of the cylinder is 63.8mm, the normal gy6 engine 125150cc cylinder outer size is 61mm, you have to bore out the crank case for this to fit on most bikes with machine shop work.

Valve Length 64mm,does not for 69mm one.. It can be only used for gy6 4stroke 49cc 50cc engine upgrade.best way to get more rpm,maximum upgrade kit for gy6 50cc 139qmb engine and 1p39qmb engine.. All metal components in the kit are crafted from premium materials,offering exceptional wear resistance and high-temperature tolerance.. The core components within the kit undergo precision machining to ensure stable performance under demanding high-speed,high-pressure operating conditions.. This enhances power output while optimizing fuel combustion efficiency,resulting in smoother engine operation and quicker response times. simultaneously,it reduces overheating risks,comprehensively improving engine reliability and durability..

Cylinder diameter62.5mm2.46.distributor diameter28mm1.1.piston diameter62.5mm2.46.piston pin diameter15mm0.59.. Replacement for 62.5mm 4-stroke gy6 180cc 200cc atv utv scooter go kart 152qmi 157qmj gy6 150 engine,gy6 152qmi 157qmj engine scooter,not replacement for 161qmk engine.. The kit is made of high-quality aluminum alloy and high-temperature-resistant steel to ensure excellent performance even under extreme conditions.the cylinder liner is precision machined to provide excellent wear resistance and heat dissipation,significantly extending engine life.. Effectively increases engine displacement,providing more powerful power output and higher fuel efficiency.optimized combustion chamber design further improves combustion efficiency,enabling your vehicle to perform well in all terrains.. All parts are designed for precise fit to ensure seamless installation.saving time and cost by eliminating the need to purchase additional parts..

This big cylinder kit will upgrade your gy6 50cc 60cc 80cc to 100cc, without EGR, to get more RPM,more power, faster maximum speed.. 64mm valve length version. Easy Installation. Upgrade engine parts included cylinder body kits, cylinder head kits, camshaft, camshaft seat kits, gaskets kits, oil pump and gear, clutch spring sets, copper roller sets, 6pins racing AC CDI, ignition coil and racing 3-electrode spark plug. Upgrades parts kits for most of 50cc scooter.

This big cylinder kit will upgrade your gy6 50cc 60cc 80cc to 100cc, without EGR, to get more RPM,more power, faster maximum speed.. 69mm valve length version. With cylinder body kits, cylinder head kits, camshaft, camshaft seat kits, gaskets kits, oil pump and gear, spring sets, copper roller sets, 6pins racing AC CDI, ignition coil and racing 3-electrode spark plug. Simple Installation. Upgrades parts kits for most of 50cc scooter.

Fitment GY6 125cc 150cc 4-stroke engines 157QMJ152QMI, Fitment for Chinese scooters, ATVs, Quads, and Go Karts.. Compatible For 125cc150cc Engine Most Chinese Brand Vehicle like Roketa, Sunl, Baja, Kazuma, Carroll Stream Eagle, Taotao, Panterra, Redcat Tank Giovanni Aimex Jackel Wildfire Xtreme Seaseng Qlink Yiben Jonway Jmstar, Vento, Tng, Apollo, BuYang, Coolster, JCL, Jetmoto, Jonway, Kinroad, Loncin, Motobravo, Polaris, SSR, TTR, Yamoto, Znen, Zongshen, etc. Package Included 57.4mm Cylinder Head Comp, 57.4mm Bore Cylinder Block, 57.4mm Piston Assy, Piston, Rings and Wrist Pin, Variator Kits, Rear Clutch, stator, starter motor, Carburetor, Full Set of Engine Gasket, 6pins CDI, Ignition coil, DC regulator, relay, A7TC Spark Plug, Set of Intake Manifold and Muffler Bolts, and Exhaust locking ha, Set of 14 Gram roller , Rocker Arms, Valve Seals, Oil Pump Assy with Driving Gear, Camshaft, Camshaft chain 90, belt 8421830, Chain adjuster, Oil screen, spring, cover and oil seal, Starter clutch, intake Pipe.. NotedNot suitable for EGR engines.

Powerful 170Cc180Cc Upgrade This big bore cylinder kit increases displacement from 150cc to a robust 170cc180cc, delivering a significant boost in horsepower, torque, and overall riding excitement for your ATV, Go Kart, or Dirt Bike.. Direct Fit Easy Installation Designed as a direct replacement for the standard GY6 150cc air-cooled engine. No complex modifications are needed for a seamless upgrade. We recommend professional installation for optimal results and to ensure warranty integrity.. Engineered For Durability Constructed from high-quality aluminum and steel, then finished with a precision sandblasting process. This ensures superior heat dissipation, reduced wear, and a long service life under demanding off-road conditions.. Complete Kit, Ready To Install Get everything you need in one box. This is a complete cylinder kit with all necessary components, saving you time and hassle from sourcing individual parts. Just unbox and begin your engine build.. Compatibility Specifically customized for GY6 150cc air-cooled engines. It's the performance upgrade for a wide range of vehicles including ATV Quads, 4-Wheelers, Go Karts, Dirt Bikes, and Pit Bikes..

Universal CompatibilityDesigned for GY6 150cc 4-stroke engines 157QMJ152QMI, Fitment for Chinese scooters, ATVs, Quads, and Go Karts for Taotao, for Kymco, for Baja, for Sunl,for Znen, and more. Not suitable for EGR engines.. High-Performance ComponentsIncludes 57.4mm bore cylinder head, piston assembly 57.4mm piston, rings, wrist pin, gaskets, and full gasket set etc. Precision-machined for OEM standards.. Durable Heat-Efficient DesignMade of high-strength cast iron with corrosion-resistant finish. Features advanced heat dissipation structure to prevent overheating and ensure long-term durability under heavy loads.. The mesh process has good sealing performance, increases the contact surface, enhances oil storage and lubrication functions, reduces wear, and lowers fuel consumption. Strong power.. Professional Installation RecommendedNo instructions included. Ideal for mechanics or experienced users. Ensures optimal engine performance for high-speed, climbing, and load-bearing applications..

Durable Construction The product is crafted from strong metal, which prevents deformation and withstands impacts, guaranteeing an extended lifespan.. Comprehensive Set This kit contains different parts, which prevents the need for multiple reorders and cuts down on time and cost.. Specialized and Precise It is specifically engineered for the GY6 Scooter Moped 139QMB 1P39QMB 50mm 50cc 100cc, making it highly specialized and precisely tailored.. Notes Please carefully check compatibility before purchasing to ensure that the product is suitable.We strongly recommend professional installation.. Excellent After-Sales Service We aim to provide quality products and services, if you have any problems, please feel free to contact us. We will reply and solve the problem for you as soon as possible..

Cylinder Kit 100 brand new replacement cylinder kit, Durable Material Made Of Metal Cylinder diameter 50mm ID.. NOTE Not included installation instructions, professional installation is always recommended.. High matching It could correctly replace the original quality part.. Fitment For 139QMB and 1P39QMB GY6 50cc 4 Stroke Chinese Scooters.. After-sales Service Sometimes the carrier is not very good at taking care of our packages, so it may cause some damage in transit. If there is any damage to the product you receive, please contact us at any time, and KANING will do our best to solve for you..

This Cylinder Rebuild Kit is fitment for GY6 49CC, 50CC, 139QMB engines in motorcycles, scooters, ATVs, and karts. It upgrades 50CC60CC80CC engines to 100CC, significantly enhancing RPM, power, and top speed. No EGR system required.. Core Components Includes50mm cylinder body kit,69mm valve cylinder head assembly,Camshaft and camshaft seat kit,Full gasket set,Oil pump and gears,Spring set, pure copper roller assembly,6-pin racing AC CDI, ignition coil, and 3-electrode spark plug etc.. Valve materialsExhaust valve use 53Cr21Mn9N94N high-strength steelIntake valve use 40Cr10Si2Mo alloy steel.. Automated machining plasma surfacing technology for wear resistance, high-temperature strength, and airtight durability.. Installation TipsEnsure piston markings face upward during installation, with the 6mm small hole facing away from the engine..

This kit can be only used for GY6 139QMB 4 Stroke Engine.. Inner Diameter of Cylinder 50mm,Outer Diameter of Piston Pin 13mm. Upgrade your engine from 50cc to 100cc. Your vehicle will get more power with this item,easier to climb hill than ever before.

61mm bore. Upgrade your engine from 150cc to 180cc. Widely used for GY6 150 engine upgrade. Compatible with 157QMJ and 1P57QMJ engine. Package come with cylinder head,piston,piston rings,stud,gasket.

Use Large Valve Heads to Get More Power for Your GY6 139QMB 139QMA 147QMD Scooter ATV Go Kart Engine. This Big Bore Rebuild Kit Comes with 18.520.5mm Large Valve Cylinder Head Assy Stock is 1618.5mm.. Compatible with 69mm Long Valve Style Heads. If your Original Head Has 64mm Valves, Please Must Change Your Rocker Arms with The Ones in Our Kit.. Glixal Piston Rings DLC Wear Resistant Coating. This Coating will Also Reduce the Friction Coefficient to Protect the Cylinder Sleeve.. Please Note The Engine Side Cover Gasket is for a Short Case Version 8 Bolt.. Attention AT marking face to the piston, the 6mm small hole goes up or away from the Motor .

Fitment GY6 125cc 150cc 4-stroke engines 157QMJ152QMI, Fitment for Chinese scooters, ATVs, Quads, and Go Karts.. Compatible For 125cc150cc Engine Most Chinese Brand Vehicle like Roketa, Sunl, Baja, Kazuma, Carroll Stream Eagle, Taotao, Panterra, Kymco, Redcat Tank Giovanni Aimex Jackel Wildfire Xtreme Seaseng Qlink Yiben Jonway Jmstar, Vento, Tng, Apollo, BuYang, Coolster, JCL, Jetmoto, Jonway, Kinroad, Loncin, Motobravo, Polaris, SSR, TTR, Yamoto, Znen, Zongshen, etc. 57.4mm cylinder kits, cylinder head kits, camshaft,Timing chain, oil drain kits,Intake manifold,chain adjuster, oil pump, oil pump gear,gaskets sets,842 belts,spark plug, 2x screw 6 63, 2exhauste pipe nut, 2exhaust pipe screw 632, 2 oil seal, relay, ignition coil,regulator, cdi, variator kits, rear clutch, stator 8coil DC 5line stator,. starter motor, carburetor, rocker arm seat sets, starter lever, crankshaft, screw kits, 12 x 814 pin,4 x 1016 pin,chain press plate, magneto, gear box bearing sets, gear box exhaust pipe, cylinder head exhaust pipe, 2Suspension bracket bushing,2Power Bushing II,2 Shock-absorbing bushing,cylinder head cover,Brake rocker arm, oil seals sets,125 Starter shaft 138,125 Oil pump partition plate,125 oil pump chain,125 idle gear,125 Driven gear,125 Double-linked tooth.. NotedNot suitable for EGR engines.

Fitment GY6 49cc 50cc 4-stroke engines 139QMA 139QMB, Fitment for Chinese scooters, ATVs, Quads, and Go Karts.. Compatible For GY6-50cc80cc Engine Most Chinese Brand Vehicle like Roketa, Sunl, Baja, Kazuma, Carroll Stream Eagle, Taotao, Panterra, Kymco, Redcat Tank Giovanni Aimex Jackel Wildfire Xtreme Seaseng Qlink Yiben Jonway Jmstar, Vento, Tng, Apollo, BuYang, Coolster, JCL, Jetmoto, Jonway, Kinroad, Loncin, Motobravo, Polaris, SSR, TTR, Yamoto, Znen, Zongshen, etc. Package Included147mm cylinder kits, cylinder head kits, camshaft,Timing chain, oil drain kits,Intake manifold,chain adjuster,old oil pump,old oil pump gear,gaskets sets,669 belts,spark plug, 2x screw 6 63, 2exhauste pipe nut, 2exhaust pipe screw 632, 2 oil seal, relay, ignition coil,regulator, cdi, variator kits, rear clutch, 8 coil A 4 line stator,. Package Included2starter motor, carburetor, rocker arm seat sets, starter shaft 7- piece sets, Clutch head, starter lever, crankshaft, screw kits, 16 x 814 pin,chain press plate, magneto, gear box bearing sets, gear box exhaust pipe, cylinder head exhaust pipe, 2Suspension bracket bushing,2Power Bushing II,Shock-absorbing bushing,cylinder head cover,Brake rocker arm, oil seals sets.. NotedNot suitable for EGR engines..

Big bore kit Compatible with 4 stroke GY6 50 139qma and 139qmb engine. Your vehicle will get more power with this item,easier to climb hill than ever before. Inner Diameter of Cylinder bore 47mm,Outer Diameter of Piston Pin 13mm. Upgrade your engine from 50cc to 80cc.

Ideal choiceTransform the performance of your GY6 150cc or 200cc scooter with our premium Big Bore Cylinder Kit, designed to deliver a substantial power boost and improved throttle response.. 61mm Big Bore CylinderThe enlarged bore size from standard significantly increases the engine's displacement, unlocking more horsepower and torque for enhanced acceleration and overall riding experience. Engineered for GY6 CompatibilitySpecifically tailored for GY6 150cc and 200cc scooters, ensuring a perfect match for your vehicle's engine specifications, eliminating compatibility concerns and guaranteeing optimal performance. Precision-Matched ComponentsEach part within the kit is meticulously matched and balanced to work harmoniously, maintaining proper compression ratios and ensuring smooth engine operation throughout the rev range. Complete Gasket Seal KitEnsuring leak-free operation, this kit includes all necessary gaskets, seals, and O-rings required for a professional-grade installation. High-quality materials ensure long-lasting sealing performance under extreme operating conditions.

Supplied as shown including 1x Cylinder Block 1x Piston 1x Complete Ring Set 2x Cirq clips 1x Piston Pin 2x Head Gasket Set 2x Valve Oil Seal. Diameter 47mm 53.2mm. Change the size of your engine, and feel the POWER.. Give your machine the new power and torque it really deserves, and have more fun with the power at your finger tips.. Big Bore mostly fitsGY6 or GY6 engine clone 139qmb Scooters, 50cc GY6 Go Kart engine, 50cc ATVs, 50cc Dune Buggies, 50cc Buggies.. Fits many models suchas YERFDOG, SUNL, SYM, PGO, KYMCO, VENTO, STRADA, ROKETA, FUJI, WILDFIRE, KAZUMA..

Fitment 150cc 57.4mm Bore Cylinder Top End Rebuild Kit Fit for Moto Scooter 150cc GY6 Chinese Scooter 157QMJ Engines.. Specification Cylinder with bore 57.4mm, 76mm Bolt Pattern 2 12 Tall Head.. FeaturesCylinder Ring Gasket kit with precise density to provide a reliable seal with minimal tightening. Cylinder Ring Gasket kit set made of strong cast-iron, nice kit to rebuild an engine.. Direct Replacement Cylinder ring gasket kit sets engineered from premium materials, durable and reliable.. Package Included 1 Set Top End Rebuild Kit Fit for 150cc GY6 Scooter..

This carburetor will fit most 110, 125, and 150cc engines. 26mm intake inner diameter and air box 43mm outer diameter.. Fit for 4 stroke GY6 125cc 150cc 152QMI 157QMJ engine based ATV scooter. 150cc Carburetor May also fit some Japanese Style, like, Yamaha, Suzuki, Kawasaki.150cc Carburetor AKA GY6 150cc Carburetor,150cc Scooter Carburetor,ATV 150cc Carburetor,GY6 Carburetor 150cc,150cc Carburetor Kit,TaoTao 150cc CarburetorPD24J Carburetor,157QMJ Carburetor.. Fits Moped, ATV, Go Kart,Scooter 150cc. 4-Stroke engine. Package includes1x carburetor,1x 42mm air filter ,1x intake manifold, 1x fuel filter You will receive what you see in the pictures.

Fit GY6 50cc to 100cc 139QA 139QMB Engine. Head Valve length 64mm not 69mm. Cylinder Bore Diameter 50mm. Kit includes Cylinder head, cylinder block assembly,. For your quick use of new accessories, please consult the picture information and product description before purchasing.

The kit fits 4 stroke GY6 125cc and 150cc scooter 157QMJ engine. 180 days warranty and 100 money back guarantee if not satisfied. 57.4mm Cylinder Bore,15mm wrist pin. Comes with high performance gray piston, orange ignition coil and cdi box. The kits comes with 2 pieces of 3-elecrode spark plug for better performance.

SpecificationDiameter of the Kitmm 61 Diameter of Piston Pinmm 15 Diaplacement 170CC180CC Outer Diamter of Cylinder Skirtmm 65 Middle Height of Cylindermm 69 Total Height of Cylindermm 90 Total Height of Pistonmm 38.5 Compression Height of Pistonmm 20. Premium MaterialThis cylinder kit is made of high quality metal, can replace the original correctly, 100 new high quality, durable.. For DisplacementInclude Jog 50,90,100, GY6 50,60,70,80,100,125,150,CNCF 250,YP VOG 250 260 300. Package Includes1Big Bore Cylinder Kit inclued Camshaft and Cylinder Head, Gaskets. NOTEInstruction not included, professional installation is always recommended..

1.Please note this kit is only used for GY6 139QMB 4-Stroke Engine.. 2.Inner Diameter of Cylinder 52mm. 3.Outer Diameter of Piston Pin 13mm. 4.Include Cylinder,Piston,Piston Ring,Piston Pin,Piston Pin Clip,Valve Oil Seal,Gaskets,Tensioner Gasket,Exhaust Gasket,IntakeExhaust Studs,Exhaust Nut. 5. High Performance Upgrade 52mm Cylinder Rebuild Kit for GY6 49cc 50cc 60cc 80cc 100cc engine.

Easy installation You can install this kit directly to your GY6 125cc -150cc engine. Cylinder Sleeve ID 58.5mm Cylinder Sleeve OD 60.3mm. Outer Diameter of Piston Pin 15mm. Only Fit 54mm Stud Spacing GY6 125cc 150cc 157QMJ Engine. Will Not fit GY6B Engine with 57mm Stud Spacing0mm Bolt Pattern. 5.Include Cylinder,Piston,Piston Ring,Piston Pin,Piston Pin Clip,Valve Oil Seal,Gaskets,Tensioner Gasket,Exhaust Gasket,IntakeExhaust Studs,Exhaust Nut.