OEM 681-17.7-32 CVT Drive Belt - 50cc (139QMB)/GY6 50cc Scooters

Genuine CVT Drive Belt for 50cc Scooters

This OEM 681-17.7-32 CVT drive belt is built for CSC 50cc scooters and compatible 139QMB/GY6 engine setups. Keeping this belt in good condition is key to smooth power delivery on your ride. It is one of the GY6 50cc scooter parts we carry, designed for dependable everyday use. Its high-tensile synthetic rubber construction makes it a sensible option when a worn belt needs replacing.

Performance Characteristics

The belt is made to fit precisely and transfer power consistently. Its proper sizing helps the CVT system work as intended, for a smooth ride. The cogged inner surface is shaped to follow the CVT pulley path, which supports better response when accelerating and slowing down.

Durability and Material

Made from high-density synthetic rubber, this belt is resistant to stretching and edge fraying. It handles the heat that builds up during stop-and-go travel common in city riding. Swapping in this OEM belt when yours wears out helps your scooter keep its performance and service life.

Specifications

• Material: High-density synthetic rubber
• Size: 681mm length, 17.7mm width, 32° angle
• OEM Part Number: 3072004
• Application: 50cc short-case CVT setups
• Country of Origin: China
• Fits: CSC go., go MAX and Pug 50 and other short-case 139QMB/GY6 50cc CVTs

Fitment

Compatible with:

• GY6 50cc (139QMB) (short-case CVT, 681 x 17.7 x 32 degree belt)
• CSC Go Max (139QMB-B CVT)
• CSC go. and Pug 50
• CSC Bella Classic 50 (YN139QMB, JJ1P39QMB, 147QMD engines)
• CSC Nitro Sport 50 (BN139QMB, 139FMA-2, BD1P39QMB engines)

How to choose: Check the size marked on your current belt and match it: 681 x 17.7 x 32 degrees (681mm length, 17.7mm width, 32 degree angle).

Where it goes: part #3 on the transmission diagram for the GY6 50cc (139QMB), CSC Go; part #3 on the transmission diagram for the CSC Go Max.

Shop more: GY6 50cc Scooter Parts (139QMB) · GY6 Scooter Parts · Scooter CVT Drive Belts · Scooter Parts