Belt, Naraku Premium for 50cc 4-Stroke 139QMB Scooters (Short Case)

Naraku Premium Belt for 50cc 4-Stroke 139QMB Chinese Honda Cloned Scooters (Short Case)

SPECIFICATIONS:

• Length: 669mm
• Top Width: 18mm
• Groove Angle: 30°
• Made in Taiwan

Most belts are measured by circumference – width – angle of cut.Example: A 669-18-30 Belt is 669mm in circumference – 18mm in width and is cut at a 30 degree angle.

Also nearly all Chinese 50cc scooters use 669-18-30 belts for short cases (10″ rims) and 729 belt for long cases (12″ – 13″ rims).

This is not 100% guaranteed so if you are in doubt take off the cover and measure the belt before you replace it. When you find that a belt fits a scooter not listed here, please use the review feature to mention it.

Naraku Premium 669-18-30 CVT Drive Belt for Short Case 50cc QMB139 engines with 10″ Rear Wheel.

Naraku premium belts have improved grip and flex over the standard replacement belts to improve power transmission to the road.