MAINTENANCE WORK ON CHASSIS AND ENGINE 55
400725-01
– Clean the chain regularly and then treat with chain spray.
Chain cleaner ( p. 132)
Off-road chain spray ( p. 132)
11.41Checking 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 the chain tension and correct if neces-
sary.
– Jack up the motorcycle. ( p. 38)
400213-10
– Push the chain at the end of the chain sliding component upwards to measure
chain tension .
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 8… 10 mm (0.31… 0.39 in)
» If the chain tension does not meet specifications:
– Adjust the chain tension. ( p. 56)
– Remove the motorcycle from the work stand. ( p. 38)
11.42Checking the rear sprocket/engine sprocket for wear
400227-01
– Check the rear sprocket/engine sprocket for wear.
» If the rear sprocket/engine sprocket are worn:
– Replace the 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 the chain guide for tightness and wear.
11.43Checking chain wear
– Jack up the motorcycle. ( p. 38)
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