NCY's 2000rpm Compression Spring fits GY6 engines and will affect both the pressure that engages the belt and when the CVT transmission switches from low to high gear. A 1000rpm spring will go into a higher gear than a 2000rpm spring.

Specifications:

• Spring length: 154mm
• Spring ID: 48.5mm, OD: 58.5mm
• Wire Gauge: 4.5mm

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.