MMG Rear Torque Spring, GY6 50cc Racing, 1500N Yellow

Code: MGHPU9698-02

Performance 1500 RPM torque spring for 50cc QMB139 4 stroke engine based vehicles.
Inner diameter 49mm.
Adjusts pressure on the sliding variator plate for tuning acceleration.
Can improve engine torque, response, acceleration, and hill climbing ability.
Fits common 50cc QMB139 based scooters, ATVs, and go karts including Tao Tao, Baccio, Vento Phantom R4i/R3, Jonway, NST, Tank, JMstar, and Roketa.
Package includes 1 torque spring.

Torque Spring , GY6 50 RACING, 1500N, YELLOW