NCY Gear Set (17*41); 139QMB, CSC, Wolf, 50cc passenger backrest Yamaha Jog

Yamaha Jog

• Noise reduction: Windshields can reduce wind noise

Goes great with an upgraded front spring

And with ALL performance upgrades

this precision-machined component optimizes belt movement across the entire RPM range for faster acceleration

NCY Gear Set (17*41); 139QMB, CSC, Wolf, 50cc passenger backrest Yamaha JogNCY 139QMB upgear kit for your 50cc 4 strokes is finally here! This kit is made specifically for 88cc big bored engines and increases your gear ratio by 30%. This is the mother of all upgears for the 50cc 139QMB scoots. Only effective if you have a full blown 88cc kit with a big valve head, and stroker crank.