KYMCO Mongoose 250

Drive chain slack check
Inspect the drive chain while all tires are
touching the ground. Check the slack at the
position shown in the figure. The normal vertical
deflection is approximately 30~40 mm
(1.18~1.6in). If the deflection exceeds 40 mm
(1.6in), adjust the chain slack.
Drive chain slack adjustment:
1. Loosen the hub stopper bolt and two axle hub
holding bolt.
122
(A) 30~40 mm (1.18~1.6 in) (1) Hub stopper bolt (2) Axle hub holder bolt
(A)
(1)
(2)