Check the drive sprocket, driven sprocket, if 1/4
teeth
○
,a is worn, replace the sprocket, and in case
of tooth bending, replace the sprocket.
Check wheel bearings, if bearing clearance is found in wheel hub or the wheel has an unbalanced
rotation, replace the bearings; check the oil seal, if worn or damaged, replace it.
4.5.3 Drive chain slack adjustment
Make the motorcycle parked on a flat place, so that
it remains upright.
Check the drive chain slack
○
,a, ranging 10-20 mm.
If out of this range, make adjustment.
Unscrew the rear axle nut ①.
Adjust the drive chain slack. The adjustment steps
include:
Unscrew the lock nut ②, screw or unscrew the
adjustment device ③ until the slack meets the
specified value.
Screw, the slack may increase;
Unscrew, the slack may reduce.
Attentions:
Finally, tighten the lock nut.
4.5.4 Installation
Installation must be initiated in the reverse sequence of removal.
Adjust the looseness of drive chain and free stroke of brake pedal.
If the looseness is too small, the engine and other key parts will be consequently overloaded.
The number of turns of each adjustment
device should be kept the same in order to
properly install the axle.
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