KYMCO Mongoose/KXR 250

3. INSPECTION/ADJUSTMENT
3-16
Mongoose/KXR 250
DRIVE CHAIN SLACK
ADJUSTMENT
Before checking and/or adjusting, rotate the
rear wheels several revolutions and check
slack at several points to find the tightest
point. Check and/or adjust the chain slack
with the rear wheels in this “tightest”
position.
Place the machine on a level place.
Check drive chain slack.
Adjust if out of specification.
Drive chain slack (A): 30 ~ 40mm
Adjust drive chain slack:
Loosen the caliper holder bolt and two axle
hub holding bolt.
Provide a proper pin and pass the pin
through the axle hub and driven sprocket.
Bol
t
Too little of chain slack will overload the
engine and other vital parts; keep the
slack within the specified limits.
＊
Wheels should be on the ground without
the rider on it.
＊
Bolts
Driven Sprocke
t
Pin
Axle Hub