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Bore x stroke52. 4 × 55. 5 mm, 119. 7 mL. Compression ratio9. 0: 1. Typehorizontal, 4-stroke, single-cylinder, air-cooled. The installation is more complicated, off-road vehicle, ATV, Quad, off-road vehicle, and it is strongly recommended to invite professionals to install it.

Best of all, it comes with High quality aluminum cylinder head and iron cylinder body. When purchasing this engine, please pay special attention to whether the plug-in is compatible with your bike.

Wiring instructionspink or yellow wire: energy storage battery; black and red wire: signal trigger; green wire: ground; blue and white: trigger coil; five wires plug: gear indicator.
52. 4 × 55. 5 mm, 119. 7 mL. Important parameters oil capacity: 900ml; max torque/rpm : 8. 5 n. M/5000r/min±250 r/min; idling speed: 1500r/min±100r/min;; max net power/ rpm : 5. 8 kw/ 7500r/ min±375 r/ min; Compression ratio : 9. 0 : 1; bore x stroke.




Made of high-quality metal, reverse and neutral, features with durable and lightweight for a long use life. Please contact us if you have any questions.
Gearbox kit 30 series -this forward reverse gearbox is suitable for go-karts, utility vehicles and other applications with engines up to 14HP and # 35 chain 12T and #40/41/420 chain 10T Both sprockets included. Please note only use on 30 Series.

This motor engine Mount Plate has the same bolt locations as the fitment model. We will solve the problem for you in the first time and provide you with the best after-sales service. At the same time, the slots in the plate allow for full adjustment to align chains, belts, driveshafts.
Great service support if you encounter any problems in the process of purchasing and using this product, please feel free to contact us. High-quality 7075 billet aluminum materials this engine Mount Plate is made of high quality 7075 Billet Aluminum, with good hardness and durability, as well as a long service life.

7 ml. Customer service- we aim to provide quality products and services. If you have any problems, please feel free to contact us. Wide range of applications- crf50 / sl 90 / xl70 st70 / z50 / crf70 / st 90k2 / cs 90 / qr50 / qa50 / minitrail monkey / st 90k1 / XR70 / cl70 / sl70 / ct70 mini trail / 70 passport / xr50 / z50 / z50R / ZB 50.
1. Voltstorm
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AcPulse Go Kart Clutch 12T 3/4 in. Bore Centrifugal Clutch 12 Tooth for #35 Chain Up to 6.5 HP 200CC Heavy Duty With Set Screws Perfect for Mini Bike GO Kart Fun Kart Lawnmower Engine 3/4 Bar
#adVoltstorm #ad - This go kart clutch: 12 tooth, includes 3 screws, 3/4" bore #35 Chain, chain is NOT included. Higher performance: super grade High Impact/Wear Resistant Steel, 50% Longer Lifetime. High quality centrifugal clutch: 100% Brand New, TS16949 Certified Quality System.More information #ad
Perfect for: go kart, lawnmower, fun kart, mini bike, 6.5 hp engines for motors No More Than 200 cc Only. Client support: please e-mail or call us to refund or replace the product if there is any problem, all we want is to make you satisfied with our products and services.Brand | Voltstorm #ad |
Manufacturer | zhande #ad |
Part Number | GKC0002-AP |
More information #ad
2. Tipyoumall
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125cc Go Kart Engine 4-Stroke Motor 3 Speed Electric Start Semi-Auto Motor Engine w/Reverse for Go Kart ATV Quad Bike Buggy Pit ATV ATC70 90 CDI
#adTipyoumall #ad - Applicable models125cc pit bike engine motor is suitable for karting, off-road vehicle, Pit bike, pocket rocket. Long-term spare parts can be provided as needed.Bore x stroke52. 4 × 55. 5 mm, 119. 7 mL. Compression ratio9. 0: 1. Typehorizontal, 4-stroke, single-cylinder, air-cooled. The installation is more complicated, off-road vehicle, ATV, Quad, off-road vehicle, and it is strongly recommended to invite professionals to install it.
More information #ad
Wiring usage five wires plug: for gear indicator; yellow wire: for battery; pink or yellow wire: for battery; black and red wires: for signal triggering; green wire: for Ground; blue and white: used to trigger the coil.Brand | Tipyoumall #ad |
Manufacturer | Tipyoumall #ad |
Part Number | ORN65 |
Model | 528-DUN |
Warranty | 2 |
More information #ad
3. X-PRO
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Electric Start, X-PRO 125cc 4-Stroke ATV Gokart Engine with Automatic Transmission with Reverse
#adX-PRO #ad - Automatic transmission w/reverse, electric start for 50cc 90cc 110cc 125cc Go Kart ATV. If it not, you need to purchase an additional plug-in for modification.Best of all, it comes with High quality aluminum cylinder head and iron cylinder body. When purchasing this engine, please pay special attention to whether the plug-in is compatible with your bike.
More information #ad
Engine type: single cylinder, 4-Stroke, 2-Valve Gears: Automatic with reverse engine. This engine assembly comes with intake pipe, cdi, Voltage Regulator, Sprocket cover & Spark Plug, Drive Sprocket, Battery, but doesn't come with carburetor, Ignition Coil etc.Brand | X-PRO #ad |
Manufacturer | X-PRO #ad |
Weight | 65 Pounds |
Part Number | 308-999010 |
More information #ad
4. DOONARCES
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Silver, DOONARCES 125cc 4 Stroke Electric Start Engine Motor Air-cooled Single-cylinder Semi Auto Engine with 3 Forward 1 Reverse for ATV Bike Go kart Quad Dirt bike
#adDOONARCES #ad - Engine type125cc, air-cooled, carburetor: pz19, gear system: 3 forward/neutral/reverse gear, ignition: CDI, single-cylinder, horizontal, electric start, 4-stroke, starter: foot-operated starter. Trooper, kazuma, Pitpro, Swd, etc.Wiring instructionspink or yellow wire: energy storage battery; black and red wire: signal trigger; green wire: ground; blue and white: trigger coil; five wires plug: gear indicator.
More information #ad
Fitmentthis 125cc engine is made of high quality metal and well made, h-uu-m-mm-er, Hunter, Motox, Tommahawk, Orion, Grudge, Xmoto, dmx, Monsoon, suitable for Atomik, TDR, Lei, Bull. Complete packagethe 125cc 4-stroke electric starter engine complete kit specifically includes engine, gasket, wiring, air filter, chain case, etc.552. 4 × 55. 5 mm, 119. 7 mL. Important parameters oil capacity: 900ml; max torque/rpm : 8. 5 n. M/5000r/min±250 r/min; idling speed: 1500r/min±100r/min;; max net power/ rpm : 5. 8 kw/ 7500r/ min±375 r/ min; Compression ratio : 9. 0 : 1; bore x stroke.
Brand | DOONARCES #ad |
Manufacturer | Fonova #ad |
Weight | 50 Pounds |
Part Number | AC-YCZYQ-3381-CXY |
Model | AC-YCZYQ-3381 |
Warranty | yes |
More information #ad
5. BLACKHORSE-RACING
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BLACKHORSE-RACING 30 Series Bore GO Kart CVT Torque Converter 3/4" Bore 6" Diameter Driven Asymmetric Go Kart Mini Bike + 5/8'' Driven Clutch Comet Kit + 725 Belt
#adBLACKHORSE-RACING #ad - 30 series torque converter driver clutch, Replaces Comet 219552, 3/4" Bore, 5957. Replace part number: comet 219552, manco 5957, Yerf Dog Q43201W. 5/8" clutch 6" driven 30 series torque converter: part NumberComet 219457a, 5/8" Shaft Bore, 6" Diameter, 8hp Max.More information #ad
Perfect replacement driver clutch for small engines with up to 7 HP, Fitment: Mini Bike, Go Kart, Lawnmower And Many More. Brand new high quality 30 series asymmetrical driven clutch with 3/16'' key way and 3/4'' ID hole.Brand | BLACKHORSE-RACING #ad |
Manufacturer | blackhorseracing #ad |
Weight | 7.47 Pounds |
Part Number | HM0819 |
More information #ad
6. simimasen
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212CC Electric Start Horizontal Engine 4-Stroke Go Kart Engine Motor 7.5 HP Portable Powered Generator For Compressor Pressure Washer Gokart Lawnmower
#adsimimasen #ad - Cast iron cylinder liner: Easy to Start,Engine Running More Stable. Large capacity air filter: Improve Air Filtration Performance and Reduce Wear. Enhanced features for efficiency: Benefit from essential features for optimal performance, reduce noise and conserve fuel.More information #ad
Overhead valve ohv design: Low Fuel Consumption, Low Operating Temperature, High Performance. Metal cam, forged crankshaft: the Whole Machine Adopts High-quality Materials, with Stronger Performance and Longer Life.Brand | simimasen #ad |
Manufacturer | simimasen #ad |
Height | 12.6 inches |
Length | 16.5 Inches |
Width | 13.4 Inches |
Part Number | RTFC005 |
Model | YCZYQ-4701 |
Warranty | / |
More information #ad
7. DuroMax
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XP18HPE, Multi-Use Engine, DuroMax XP18HPE 440cc Recoil/Electric Start Gas Powered 50 State Approved, Blue
#adDuroMax #ad - Long, while the end is 3/8 in. In dia and 2-3/4 in. Engine can handle everything you can throw at it. Epa approved for safe use in mandated areas.More information #ad
440cc d 4-stroke overhead valve design engine that has E-Z pull recoil start. Fuel tank which at half load can run over 3 hours on a single tank of fuel. Shaft is 1 in. 1. 7 gal. Size 24 unf - Drilled and tapped.Brand | DuroMax #ad |
Manufacturer | DuroMax #ad |
Height | 21 Inches |
Length | 18 Inches |
Weight | 78 Pounds |
Width | 17 Inches |
Part Number | XP18HPE |
Model | XP18HPE |
Warranty | 3-Year Limited Factory Warranty |
More information #ad
8. maXpeedingrods
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MaXpeedingrods Go Kart Forward Reverse Gearbox Kit for 2HP-13HP Engine 4 Stroke Only Works with 30 Series Torque Converter 3 Shift Modes #35 Chain Go Karts Accessories Go Kart Transmission
#admaXpeedingrods #ad - Complete accessories-1x forward / reverse gearbox with 3/16" Keyway;2x Mounting Plates;1x Shifter Disc;2x Shifter Cable;1x 10T and 12T Sprocket;1x Shifter Assembly. Three shift modes-this kit has three shift models: forward, which is for more convenient and easy operation.Made of high-quality metal, reverse and neutral, features with durable and lightweight for a long use life. Please contact us if you have any questions.
More information #ad
Standard adaptation parameters-shaft size: 5/8" with 3/16" keyway; gearbox speed: 5/13 of the Clutch speed; Shifter Cable Length: 1540mm 5' 60''. Forward ratio: 1:1:3, Reverse Ratio: 1:2:6. Product use-this product was filled with oil before leaving the factory, it needs to be filled to half of the box, when the oil is used up, and this go-kart gearbox is use GL-5 gear oil. Gearbox kit 30 series -this forward reverse gearbox is suitable for go-karts, utility vehicles and other applications with engines up to 14HP and # 35 chain 12T and #40/41/420 chain 10T Both sprockets included. Please note only use on 30 Series.
Brand | maXpeedingrods #ad |
Manufacturer | Waverspeed #ad |
Part Number | YW65 |
More information #ad
9. Alpha Rider
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Doodlebug DB30 for Small 4 Stroke Engines 212 Preditor, Tilloson 212, Honda, Briggs Stratton, Tecumseh, Alpha Rider Motor Engine Mount Adapter Bracket Plate Aluminum for Mini Bike,Go Kart,Coleman 100
#adAlpha Rider #ad - Perfect matchperfectly fit for mini bike, tecumseh, go kart, baja, honda, tilloson 212, For small 4 stroke engines :212 Preditor, doodlebug DB30 & Coleman 100 mini bike, it also fit for Doodle Bug, Briggs Stratton, Motovox. No modification is need.This motor engine Mount Plate has the same bolt locations as the fitment model. We will solve the problem for you in the first time and provide you with the best after-sales service. At the same time, the slots in the plate allow for full adjustment to align chains, belts, driveshafts.
More information #ad
Practical structureyou can upgrade a larger engine without drilling. Easy installationthis motor mount plate fits all standard 5/16" hex head/square head bolts, and the slots in the plate allow for full adjustment, so it can be mounted directly between the base plate and the engine. Great service support if you encounter any problems in the process of purchasing and using this product, please feel free to contact us. High-quality 7075 billet aluminum materials this engine Mount Plate is made of high quality 7075 Billet Aluminum, with good hardness and durability, as well as a long service life.
Brand | Alpha Rider #ad |
Manufacturer | Alpha Rider #ad |
Height | 1 Inches |
Length | 7.8 Inches |
Width | 6.3 Inches |
Model | F00W1921ALS1-ARLH |
More information #ad
10. YUNLAIGOTOP
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Engine Motor for CRF50/CRF70/XR50/XR70 & Dirt Pit Bike & ATV Go Kart, 4-Stroke Engine Motor with Air-Cooled & Manual Clutch, YUNLAIGOTOP 125cc Single Cylinder Engine Motor
#adYUNLAIGOTOP #ad - Detail advantages- ignition: cdi, ratio:3. 722, carburetor type: pz16j primary reduction, gear ratio: 2. 833/1. 706/1. 238/0958, compression ratio: 9. 0:1, start mode: kick-starter, Displacement: 119.7 ml. Customer service- we aim to provide quality products and services. If you have any problems, please feel free to contact us. Wide range of applications- crf50 / sl 90 / xl70 st70 / z50 / crf70 / st 90k2 / cs 90 / qr50 / qa50 / minitrail monkey / st 90k1 / XR70 / cl70 / sl70 / ct70 mini trail / 70 passport / xr50 / z50 / z50R / ZB 50.
More information #ad
Power- max power: 6. 5 kw/7500r/min±375r/min, idle speed: 1500r/min±100r/min, max torque: 8. 0 nm/5000r/min±250r/min, fuel Consumption: ≤367g/kw. H. 4-stroke engine motor- single cylinder, 4-stroke with air-cooled, and clutch operated by hand. We will reply and solve the problem for you as soon as possible.Brand | YUNLAIGOTOP #ad |
Manufacturer | YUNLAIGOTOP #ad |
Part Number | YCZYQ |
Model | 1495 |
Warranty | Free warranty within one year for manufacturer defects only |
More information #ad