Scooterworks High Performance Starter Motor; GY6

DESCRIPTION: This High Performance Starter Motor from Scooterworks is intended for use with 4-stroke GY6 engines with a big bore kit or big stroker kit. To get more torque and compression and compensate for the larger displacement for your kitted engine, we HIGHLY recommend you add this performance starter clutch.Original Parts For Scooters SKU 155-4, SKU 169-282Specifications:nBolt Hole Spacing: 78mm  nShaft Length: 22.5mm  nShaft Diameter: 11.5mm  nDiameter (near o-ring): 30mm  nNumber of Splines: 9nIncludes motor, wiring harness and connectornOverall dimensions: 6.5″L x 5.5″W x 4″HnProduct may vary from photosnCompatibility: 4-stroke GY6 engines with a big bore kit or big stroker kit157QMJ-based 125cc / 150cc / 169cc engines with the following engine codes:nn157QMJn161QMKn152QMIn1P61QMKnnnYN1P57QMJn1P52FMIn154FMInJJ157QMJnnn1P57QMJnBN157QMJnBN161QMK-AnOther QMJ, QMK, and QMI modelsnnDon’t see your engine listed? If the engine code includes “QM” or “FM”, this product is compatible with your vehicle.About Scooterworks: Since our beginning in 1989, Scooterworks has become a major supplier of parts and accessories for vintage and modern scooters. We have everything you need, from wear-and-tear items like tires and oil filters to aftermarket parts from brands like Malossi, NCY, Prima, YSS, Dr. Pulley, and more.This product is intended for off-road use only.This product is not intended for use on public roads or land.This product is not legal for use in California on pollution-controlled vehicles. Check local laws before installing.*Performance upgrades are considered racing parts and are not covered by warranty.nnSPECIFICATIONS: Specifications:nBolt Hole Spacing: 78mm  nShaft Length: 22.5mm  nShaft Diameter: 11.5mm  nDiameter (near o-ring): 30mm  nNumber of Splines: 9nIncludes motor, wiring harness and connectornOverall dimensions: 6.5″L x 5.5″W x 4″HnProduct may vary from photosnnnCOMPATIBILITY: Compatibility: 4-stroke GY6 engines with a big bore kit or big stroker kit157QMJ-based 125cc / 150cc / 169cc engines with the following engine codes:nn157QMJn161QMKn152QMIn1P61QMKnnnYN1P57QMJn1P52FMIn154FMInJJ157QMJnnn1P57QMJnBN157QMJnBN161QMK-AnOther QMJ, QMK, and QMI modelsnnDon’t see your engine listed? If the engine code includes “QM” or “FM”, this product is compatible with your vehicle.About Scooterworks: Since our beginning in 1989, Scooterworks has become a major supplier of parts and accessories for vintage and modern scooters. We have everything you need, from wear-and-tear items like tires and oil filters to aftermarket parts from brands like Malossi, NCY, Prima, YSS, Dr. Pulley, and more.This product is intended for off-road use only.This product is not intended for use on public roads or land.This product is not legal for use in California on pollution-controlled vehicles. Check local laws before installing.*Performance upgrades are considered racing parts and are not covered by warranty.nn157QMJ ENGINES: 157QMJ-based 125cc / 150cc / 169cc engines with the following engine codes:nn157QMJn161QMKn152QMIn1P61QMKnnnYN1P57QMJn1P52FMIn154FMInJJ157QMJnnn1P57QMJnBN157QMJnBN161QMK-AnOther QMJ, QMK, and QMI modelsnnDon’t see your engine listed? If the engine code includes “QM” or “FM”, this product is compatible with your vehicle.About Scooterworks: Since our beginning in 1989, Scooterworks has become a major supplier of parts and accessories for vintage and modern scooters. We have everything you need, from wear-and-tear items like tires and oil filters to aftermarket parts from brands like Malossi, NCY, Prima, YSS, Dr. Pulley, and more.This product is intended for off-road use only.This product is not intended for use on public roads or land.This product is not legal for use in California on pollution-controlled vehicles. Check local laws before installing.*Performance upgrades are considered racing parts and are not covered by warranty.nnMODEL FITMENTS: Brands: Amstar, Amigo, Ascend, Baotian, Bashan, Blade, Boom, Chicago Scooter Company, Dongfang, Roketa, Baotian, Bashan, BMS, Cool Sports, E Ton, Fly Wing, Eagle, Fly, Italica, Riya, Ice Bear, Jackel, Jet Moto, JCL, Taotao, Peace, JM Star, Jonway, Kazuma, Keeway, KMD, Kymco, Lance, Lifan, Linhai, Loncin, Longbo, Fuxin, Jiajue, Tao Tao, Tao Motors, Trailmaster, Maxtrade, Meitien, Motofino, Motorino, NST, Panterra, Panther, Qlink, Yiben, Red Streak, Redcat, Roketa, Schwinn, Strada, SYM, Tank, Terminator ,Tomberlin, TNG, United Motors, Vento, Vitacci, Wildfire, Wolf, X-Treme, X-Pro, Yongfu, ZNEN, Zhongneng , Zhilong, Geely, Wangye, ZH and more Manufactured by: Taizhou Zhongneng Motorcycle Co.; Jiangsu Zhongneng Motorcycle Co.; Jiangsu Meijunte Technology Co.; Taizhou Qianxin Vehicle Co.; Ningbo Dongfang Lingyun Vehicle Made Co.; Taizhou Zhilong Technology Co.; Zhejiang Jiajue Motorcycle Manufacturing Co.; Zhejiang Gelly Ming Industrial Co.; Taizhou City Senglong Motorcycle Manufacture Co.; Jiangsu Sacin Motorcycle Co.; Jiangsu Linhai Power Machinery Group Co.; Zheijiang TaoTao Vehicles Co.; Zhejiang Senling Motorcycle Co.; Sanmen County Yongfu Machine Co; Taizhou Jiaojiang Zhiwei Motorcycle Manufacture Co.; Huzhou Daixi Zhenhua Technology Trade Co.; Taizhou Zhongneng Motorcycle Co.; Zhejiang Riya Motorcycle Co.; Ningbo Longjia Motorcycle Co.; Taizhou Zhongneng Motorcycle Co.; and more