NCY Secondary Sliding Clutch Sheave ; 139QMB

Description

NCY’s premium-quality 6-Groove adjustable secondary sliding sheave clutch pulley driven face is compatible with many 50cc engines, including the CSC Go MAX, Genuine RoughHouse 50, and Black Cat 50, as well as 50cc DIO, GET, and many other 139QMB engines.

The adjustable clutch grooves allow you to adjust the acceleration and top speed of the CVT transmission based on your preference.

Benefits:

1. Select the straight groove channels for increased acceleration.
2. Select the bent groove channels for a higher top speed.
3. Lightweight, tempered material 

Specifications:

• Slider plate OD: 118.5mm
• Funnel ID: 33.5mm, OD: 43mm, H: 32.70mm 
• Includes 2 pre-installed rubber O-rings

Compatibility:

139QMB-based 50cc / 80cc 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.