Drive Belt 669-18-30

The outer circumference of this item measured by a flexible tape is approx. 683mm (26.89 inch)

(The first number 669 does not represent the outer circumference of this drive belt is exact 669mm.)

The second number 18 is nominal width.The actual width is approx. 17.8mm if measured by vernier caliper ( it is not accurate due to manual measurement.)

The third number 30 means tooth angle is 30 degree.



Application:

GY6-50 60 80 cc 139QMB short-case 4 stroke scooters/ATVs

Please check if the size of your old drive belt is 669-18-30 or 669-18.1 before purchase.

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