Naraku 878-17-28 CVT Drive Belt

The Naraku 878-17-28 CVT Drive Belt is a high-quality replacement belt designed for long-case 50cc 1E40QMB / 40QMB 2-stroke scooter engines.

Manufactured to precise specifications, featuring an 878mm length, 17mm top width, and 28° groove angle for reliable power transmission and consistent CVT performance.

Compatible with a range of Adly 50cc scooter models, including Air Tec 50, Jet 50, Silver Fox 50, and Thunder Bike 50.

Also suitable for various other 50cc 2-stroke scooters equipped with the long-case 40QMB engine.

The belt is stamped 890-17-28 by the manufacturer, as the marking represents the outer diameter measurement. Its actual compatible belt specification is 878-17-28.

Compatible with original OEM belt number 23100-117-000.

Designed as a direct replacement for the original CVT belt, providing dependable performance and smooth power transfer.

Made in Taiwan to ensure reliable manufacturing quality.

Verify the existing belt size and engine compatibility before ordering.