MAINTENANCE WORK ON CHASSIS AND ENGINE 40
8.29Checking the chain tension
Warning
Danger of accidents Danger caused by incorrect chain tension.
– If the chain tension is too high, the components of the secondary power train (chain, engine sprocket, rear sprocket, bear-
ings in transmission and rear wheel) are under additional load. Apart from premature wear, in extreme cases the chain can
rupture or the countershaft of the transmission can break. On the other hand, if the chain is loose, it can fall off the engine
sprocket or the rear sprocket and block the rear wheel or damage the engine. Check for correct chain tension and adjust if
necessary.
600056-10
– Make sure that the chain adjusters are fitted correctly on the adjusting screws.
– Push the chain at the end of the chain sliding piece up and determine the chain
tension between the swingarm and the top edge of the chain.
Info
The upper chain section must be taut.
Chain wear is not always even, so you should repeat this measurement at
different chain positions.
Chain tension
The chain tension is measured
while the vehicle is resting on the
side stand.
5 mm
» If the chain tension does not meet specifications:
– Adjust the chain tension. ( P. 40)
8.30Checking rear sprocket / engine sprocket for wear
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– Check rear sprocket / engine sprocket for wear.
» If the rear sprocket / engine sprocket are worn:
– Replace rear sprocket / engine sprocket.
Info
When fitting the chain joint, always make sure that the closed side
of the joint faces forward (riding direction).
The engine sprocket, rear sprocket and chain should always be
replaced together.
– Check rear sprocket guides to see whether they are firmly seated.
8.31Adjusting chain tension
600057-10
– Rest the motorcycle on its side stand on a horizontal surface.
– Loosen nut .
– Loosen nuts .
– Adjust the chain tension by turning the left and right adjusting screws so that
the markings on the left and right chain adjusters are in the same position relative
to the reference marks . The rear wheel is then correctly aligned.
Specification
Chain tension
The chain tension is measured
while the vehicle is resting on the
side stand.
5 mm
– Tighten nuts .
– Make sure that the chain adjusters are fitted correctly on the adjusting screws .
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