12 SERVICE WORK ON THE CHASSIS 74
12.37 Cleaning the chain
Warning
Danger of accidents Oil or grease on the tires reduces their grip.
– Remove oil and grease with a suitable cleaning material.
Warning
Danger of accidents Reduced braking efficiency due to oil or grease on the brake discs.
– Always keep the brake discs free of oil and grease, and clean them with brake cleaner when necessary.
Warning
Environmental hazard Hazardous substances cause environmental damage.
– Oil, grease, filters, fuel, cleaners, brake fluid, etc., should be disposed of as stipulated in applicable regulations.
Info
The service life of the chain depends largely on its maintenance.
400725-01
– Clean the chain regularly and then treat with chain spray.
Chain cleaner ( p. 128)
Off-road chain spray ( p. 128)
12.38 Checking the chain tension
Warning
Danger of accidents Danger caused by incorrect chain tension.
– If the chain is too taut, the components of the secondary power transmission (chain, engine sprocket, rear sprocket, bear-
ings in the transmission and in the rear wheel) will be under additional load. In addition to premature wear, this can cause
the chain or the countershaft of the transmission to break in extreme cases. If the chain is too loose, however, it may fall
off the engine sprocket or rear sprocket and block the rear wheel or damage the engine. Ensure that the chain tension is
correct and adjust it if necessary.
Preparatory work
– Raise the motorcycle with the lift stand. ( p. 56)
101430-10
Main work
– Push the chain at the end of the chain sliding component upwards to measure the
chain tension A.
Info
The lower chain section 1 must be taut.
When the chain guard is mounted, it must be possible to pull up the chain
at least to the point where it makes contact with chain guard B.
Chain wear is not always even, so you should repeat this measurement at
different chain positions.
Chain tension 55… 58 mm (2.17… 2.28 in)
» If the chain tension does not meet specifications:
– Adjust the chain tension. ( p. 75)
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