1. Loose chain pin
2. Damaged roller
3. Dried or rusted chain segments
4. Chain segments that turns with difficulty
5. Excessive abrasion
6. Wrongly adjusted chains
If the drive chain has the above problems, the most
probable reason is a damaged sprocket. Please check
the following.
Good
Worn
1. Whether the sprockets have
excessive abrasion
2. Whether wheel teeth are broken
or damaged
3. Whether the sprocket is loose
Cleaning and lubrication of drive
chain
Dirty drive chain will not only speed
up wear of the chain itself, but also
damage the sprocket.
Therefore,
following the cycle in the “regular
maintenance tabel”, the chain must
be cleaned and lubricated with chain oil or engine oil after
being cleaned with detergent liquid.
Adjustment of drive chain sag
Adjust the drive chain to keep it in a normal state.
If
the riding conditions are harsh, the times of adjustment
should be more frequent than that of regular maintenance.
B
WARNING
An excessively loose chain will result in the chain
coming off the sprocket, resulting in an accident
or seriously damage to the engine. Please adjust
the drive chain in accordance with the methods
described below.
10–20mm
1. Support the motorcycle with the main stand.
2. Loosen the rear axle nut
4
.
3. Loosen the lock nut
2
on the adjusting bolt
1
.
4. Turn the adjusting bolt
1
clockwise or anticlockwise
to make the chain slack for 10–20mm. Make the front
and rear chain wheels on a single straight line by
making sure of the left-right consistency of the sign
positions
3
of the rear wheel fork and the left and
right adjusters
5
.
5. After adjusting the tightness of the transmission chain,
tighten the rear axle nut
4
and the lock nut
2
and
then reconfirm the tightness of the transmission chain.
(37)
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