Product Details
DESCRIPTION: By reducing the rotational mass of the drive pulley, NCY’s aluminum performance drive face increases acceleration and squeezes a few more RPMs out of your Genuine or GY6 150 engine.Specifications:Weight: 144gCompatibility:Genuine scooters and bikes with GY6 150cc engines157QMJ-based 125cc / 150cc / 169cc engines with the following engine codes:157QMJ161QMK152QMI1P61QMKYN1P57QMJ1P52FMI154FMIJJ157QMJ1P57QMJBN157QMJBN161QMK-AOther QMJ, QMK, and QMI modelsDon’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.*Performance upgrades are considered racing parts and are not covered by warranty.
SPECIFICATIONS: Weight: 144g
COMPATIBILITY: Genuine scooters and bikes with GY6 150cc engines157QMJ-based 125cc / 150cc / 169cc engines with the following engine codes:157QMJ161QMK152QMI1P61QMKYN1P57QMJ1P52FMI154FMIJJ157QMJ1P57QMJBN157QMJBN161QMK-AOther QMJ, QMK, and QMI modelsDon’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.*Performance upgrades are considered racing parts and are not covered by warranty.
157QMJ ENGINES: based 125cc / 150cc / 169cc engines with the following engine codes:157QMJ161QMK152QMI1P61QMKYN1P57QMJ1P52FMI154FMIJJ157QMJ1P57QMJBN157QMJBN161QMK-AOther QMJ, QMK, and QMI modelsDon’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.*Performance upgrades are considered racing parts and are not covered by warranty.
Compatibility / Fitment
Use the fitment details below to confirm this part matches your scooter before ordering.
- Engine Size: 125cc, 150cc, GY6
- Engine Code: 157QMJ
- Fits Models / Common Applications: Genuine and other compatible models may apply.
- Fitment Notes: Performance
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: Will this fit a 157QMJ engine?
A: This SKU is listed as compatible with 157QMJ engine-code fitment. Always compare your original part and scooter details before ordering.
Q: Will this fit a Genuine?
A: This SKU is listed with Genuine model fitment where the scooter also matches the listed engine or fitment notes.
Q: Is this for 125cc scooters?
A: This SKU is listed with 125cc engine-size fitment. Confirm exact model, year, and part style before ordering.
Additional information
| Weight | 0.7 lbs |
|---|---|
| Dimensions | 8 × 5.5 × 2 in |
| Condition | New |
|---|
Improve acceleration and throttle response on your GY6-powered scooter with the NCY Lightweight Outer Drive Face (SKU 1200-1021). Large, flat anodized black aluminum disc with a smooth convex face, NCY branding around the outer rim, and a machined splined center hub bore. By reducing the rotational mass of the drive pulley, this lightweight aluminum drive face lets your engine spin up faster and reach top speed more quickly than a stock cast-iron face. Direct bolt-on replacement. 144g. Made in Taiwan by NCY (Chian-Yie Industrial Co., Ltd.).
- SKU: 1200-1021
- Brand: NCY Motor Sports (Taiwan)
- Material: Anodized aluminum
- Weight: 144g (0.7 lbs)
- Hub: Machined splined center bore
- Engine Type: GY6 157QMJ-based 4-stroke, 125cc / 150cc / 169cc
- Dimensions (packaged): 8" L x 5.5" W x 2" H
Compatible Engine Codes
Fits 157QMJ-based 125cc / 150cc / 169cc engines with the following codes:
| 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 125cc-170cc engine code includes “QM” or “FM”, this part is compatible with your vehicle.
Performance upgrade — intended for off-road use only. Not intended for use on public roads or land. Not covered by warranty.





