Performance 1500 RPM Torque Spring for 50cc QMB139
4-stroke engine based vehicles.
Designed to provide varying pressure to the sliding variator plate for different acceleration purposes and tuning.
1500 RPM performance clutch springs
for 50cc QMB139 4-stroke engines
FITS MOST CHINESE SCOOTERS, ATVS, KARTS WITH
50cc QMB139 MOTORS
FITS JONWAY, JMSTAR, ROKETA, SUNL, TANK, PEACE, TAOTAO, GATOR
AND MANY OTHERS
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