NCY Gear Set (16*37); GY6
NCY Gear Set (16*37); GY6
$70.60
10 in stock
*Note: Free shipping to U.S. mainland (excludes AK, HI, and territories)
Orders placed by 1pm EST on weekdays ship the same day.
Product Details
DESCRIPTION: GY6 Upgear kit. 6.9% upgear. 50 ton gear press required for install. Get the most out of your big bore kit, with increased top speed and a more usable rev range.20mm W x 20mm I.D
Compatibility / Fitment
Use the fitment details below to confirm this part matches your scooter before ordering.
- Engine Size: GY6
- Fitment Notes: Big Bore
Fitment Guide: This compatibility information is based on manufacturer and supplier data. Listed models are common known applications and may not include every compatible scooter. If your scooter has multiple versions or production changes, confirm the correct match before ordering. Check photos, measurements, original part numbers, engine code, model, and related fitment information whenever possible.
Common Fitment Questions
Q: Is this for GY6 scooters?
A: This SKU is listed with GY6 engine-size fitment. Confirm exact model, year, and part style before ordering.
Additional information
| Weight | 0.95 lbs |
|---|---|
| Dimensions | 8 × 4.5 × 2 in |
Get more speed and a more usable rev range out of your 125/150cc GY6 big bore kit with this 16*37 upgear set from NCY. This kit has a 25% upgear ratio from the stock 13*40 gear set.
NOTE: You're going to 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.
- Front Counter Shaft Teeth: 16
- Front Counter Shaft Dimensions: Spline L: 24mm, OD: 33mm, Overall L: 60.3mm
- Gear Press-On Area L: 12.08mm x OD: 19.08mm, Ends L: 9<10.5mm x OD: 15mm
- Rear Final Drive Gear Teeth: 37
- Inner Spline: 19, OD: 69mm, ID: 18mm, W: 19.6mm
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", 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.
