Hoca Transmission Kit - Drive & Transmission - QMB139 Street Scooters

"I have owned 5 different scooters over the years. 250cc CFMOTO, Roketa 150cc 4-stroke GY6, United Motors 50cc 2-stroke and a SunL 50cc 4-stroke QMB139. I can rest assured that no matter what make or model I have, Partsforscooters.com will always have the parts I need. You have a customer for life!"
Mike R.-California

"I can say, without hesitation, service at your company far exceeds any other of the many distributors & manufacturers I deal with on a daily basis. Prior to opening my shop I spent 23 years as a project manager & customer service manager so I set the bar high for customer service & efficiency. Good job!" Bill Randall, President Fun & Functional Transportation


	Hoca QMB139 Performance Transmission Kit

Part Number: 169-197

Old Part Number:

Quick Links

Shipping Options | Return Policy | Questions?

Photo Gallery

After-Market Performance Hoca GY6 50 Transmission Kit for QMB139 engines.

Please see our Warranty & Returns Policy.

Related Items

Hoca QMB139 Roller Weights

Part number: 169-149

Price: $8.99

Hoca Roller Weights for 50cc 4-stroke QMB139 engines.

Hoca QMB139 Performance Torque Springs

Part number: 169-207

Price: $14.99

Hoca QMB139 Torque Springs available in 1000, 1500 and 2000 RPM options.

Hoca QMB139 Engine Gear Sets

Part number: 169-206

Price: $55.99

Hoca Gear Sets in a variety of combinations for 50cc, 4-stroke engines.

Hoca 50cc QMB139, Performance Cylinder Kit

Part number: 169-54

Price: $149.99

Hoca 50cc QMB139 4-stroke 50mm, Racing Big Bore Cylinder Set.

Hoca QMB139 4T Power Pack

Part number: 169-233

Price: $549.99

Hoca 4T Racing Kit for 50cc 4-stroke QMB139 Scooters and Engines. This kit includes everything you need to increase overall speed, horsepower and torque.