
NCY
Description
Get more speed and a more usable rev range out of your GY6 big bore kit with this 16*38 upgear set from NCY. This kit is a 23% upgear from the stock 13*40 gear set.
Specifications:
- Front Counter Shaft Teeth: 16
- Front Counter Shaft Dimensions: 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
NOTE: You will need access to a 12-ton hydraulic compressor to remove the stock counter shaft gear from the counter shaft and then again to re-press the new NCY counter shaft gear.
Compatibility:
157QMJ-based 125cc / 150cc / 169cc engines with the following engine codes:
157QMJ | 161QMK | 152QMI | 1P61QMK |
YN1P57QMJ | 1P52FMI | 154FMI | JJ157QMJ |
1P57QMJ | BN157QMJ | BN161QMK-A | Other QMJ, QMK, and QMI models |
Don't see your engine listed? If the engine code includes "QM" or "FM", and is 125cc - 200cc, this product is compatible with your vehicle.
Visit our NCY Performance Parts page to shop all performance upgrades available for your vehicle.
About NCY: NCY stands as the premier provider of aftermarket performance components for leading scooter brands such as Honda, Yamaha, Genuine, Vespa, Piaggio, SYM, Lance, KYMCO, and GY6/QMB powered scooters. Established in 1997, NCY adheres to rigorous quality standards and holds ISO 9001 certification.
NCY performance parts are 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.