KTM 125 Duke 2017, Owner'S Manual

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12 SERVICE WORK ON THE CHASSIS
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Main work
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Clean the chain regularly.
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Rinse off loose dirt with a soft jet of water.
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Remove old grease remains with chain cleaner.
Chain cleaner ( p. 188)
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After drying, apply chain spray.
Chain lube for road use ( p. 188)
Finishing work
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Remove the rear of the motorcycle from the lifting gear. ( p. 88)
12.12 Checking the chain tension
Warning
Danger of accidents Incorrect chain tension damages components and results in accidents.
If the chain is tensioned too much, the chain, engine sprocket, rear sprocket, transmission and rear wheel bearings wear more
quickly. Some components may break if overloaded.
If the chain is too loose, the chain may fall off the engine sprocket or the rear sprocket. As a result, the rear wheel locks or the
engine will be damaged.
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Check the chain tension regularly.
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Set the chain tension in accordance with the specification.
Preparatory work
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Raise the motorcycle with the rear lifting gear. ( p. 88)