Cajun MadDog High Performance Starter Motor; GY6

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

Specifications:

• Bolt Hole Spacing: 78mm  
• Shaft Length: 22.5mm  
• Shaft Diameter: 11.5mm  
• Diameter (near o-ring): 30mm  
• Number of Splines: 9
• Includes motor, wiring harness and connector
• Overall dimensions: 6.5″L x 5.5″W x 4″H
• Product may vary from photos

Compatibility: 4-stroke GY6 engines with a big bore kit or big stroker kit

157QMJ-based 125cc / 150cc / 169cc engines with the following engine codes:

Don’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.

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