10/REAR WHEEL 45
14.6Checking the rear brake disc
Warning
Danger of accidents Reduced braking effect caused by worn brake discs.
– Have worn brake discs replaced immediately in an authorized KTM-RC8 workshop.
400480-10
– Check the thickness of the brake disc in several places to see if it conforms to mea-
surement .
Info
Wear reduces the thickness of the brake disc in area of the brake linings.
Brake disc - wear limit
Rear 4.5 mm (0.177 in)
» If the brake disc thickness is less than the specified value:
– Change the brake disc.
14.7Checking for chain dirt
– Check the chain for loose dirt.
» If the chain is very dirty:
– Clean the chain. ( p. 45)
14.8Cleaning 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 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 Problem materials cause environmental damage.
– Dispose of oil, grease, filters, fuel, cleaning substances, brake fluid, batteries, etc. according to regulations.
Info
The service life of the chain depends largely on its maintenance.
– Clean the chain regularly.
– Rinse off loose dirt with a soft jet of water.
– Remove old grease remains with chain cleaner.
Chain cleaner ( p. 194)
– After drying, apply chain spray.
Onroad chain spray ( p. 194)
14.9Checking 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.
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