This NCY Super Transmission bolt-on set is one of the best kits to deliver quicker acceleration, higher top speeds, and smoother operation of the CVT transmission on your pre-2022 Yamaha 125 bike. 

Specifications:

Each kit includes the following:

• NCY ultralight gold Teflon-coated overdrive variator
• NCY ultralight outer drive face
• NCY large shoe racing clutch
• NCY ultralight large PTFE coated racing clutch bell
• NCY dual range secondary slider
• NCY 20 x 12  10gram, 11gram, and 12gram roller weights
• NCY 1500 RPM compression spring
• NCY Ball bearing compression spring seat

Scooterworks recommends using a new belt with this kit and using either graphite or molybdenum disulfide (moly) grease when assembling.

Compatibility:

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.