SERVICE WORK ON THE CHASSIS 49
9.27Checking 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.
– Raise the motorcycle with the lift stand. ( p. 37)
601356-10
– Push the chain upward at the end of the chain sliding guard to measure chain ten-
sion .
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 5 mm
» If the chain tension does not meet specifications:
– Adjust the chain tension. ( p. 49)
– Remove the motorcycle from the lift stand. ( p. 37)
9.28Adjusting 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.
– Raise the motorcycle with the lift stand. ( p. 37)
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– Loosen nut .
– Loosen nuts .
– Adjust the chain tension by turning adjusting screws left and right.
Guideline
Chain tension 5 mm
Turn adjusting screws on the left and right 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.
– Tighten nuts .
– Make sure that chain adjusters are fitted correctly on adjusting screws .
– Tighten nut .
Guideline
Nut, rear wheel spindle M25x1.5 90 Nm
(66.4 lbf ft)
Info
The wide adjustment range of the chain adjusters enables different sec-
ondary ratios with the same chain length.
Chain adjusters can be turned by 180°.
– Remove the motorcycle from the lift stand. ( p. 37)
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