NCY Gear Set (15*38); GY6 150cc

NCY 15*38 upgear kit for 125/150cc GY6 engines lets you get the most out of your big bore kit, with increased top speed and a more usable rev range. This set provides an 18% increase in up gear ratio over a stock 13*40 gear set.

NOTE: When installing, you must reuse the stock 42-tooth counter shaft gear. Additionally, a 50-ton gear press required for install. 

Specifications:

• Front Counter Shaft Teeth: 15 / Spline L: 24mm / OD: 31.1mm / Overall L: 60mm
• Gear Press-On Area L: 12.08mm x OD: 19.08mm / Ends L: 9<10.5mm x OD: 15mm
• Rear Final Drive Gear Teeth: 38 / Inner Spline: 19
• OD: 71.2mm / ID: 18mm / W: 20mm

Compatibility:

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 NCY: NCY is the aftermarket performance parts leader for most popular scooter brands including Honda, Yamaha, Genuine, Vespa, SYM, Lance, KYMCO, and GY6 / QMB powered scooters. Made in Taiwan with strict quality standards since 1997, NCY is ISO 9001 certified.

Made in Taiwan.

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.