Cleaning The Chain; Checking The Chain Tension - KTM 250 SX 2018 Owner's Manual

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11
SERVICE WORK ON THE CHASSIS
11.35

Cleaning the chain

Warning
Danger of accidents Oil or grease on the tires reduces the road grip.
Remove the lubricant from the tires using a suitable cleaning agent.
Warning
Danger of accidents Oil or grease on the brake discs reduces the braking effect.
Always keep the brake discs free of oil and grease.
Clean the brake discs with brake cleaner when necessary.
Warning
Environmental hazard Hazardous substances cause environmental damage.
Dispose of oils, grease, filters, fuel, cleaning agents, brake fluid, etc., correctly and in compliance with the applicable regu-
lations.
Info
The service life of the chain depends largely on its maintenance.
11.36

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.
Check the chain tension regularly.
Set the chain tension in accordance with the specification.
Preparatory work
Raise the motorcycle with a lift stand. (
Main work
Rinse off loose dirt with a soft jet of water.
Remove old grease residue with chain cleaner.
Chain cleaner (
After drying, apply chain spray.
Off-road chain spray (
400725-01
Finishing work
Remove the motorcycle from the lift stand. (
Preparatory work
Raise the motorcycle with a lift stand. (
Main work
Pull the chain at the end of the chain sliding piece upward to measure chain ten-
A
sion
.
Guideline
The lower chain section
Info
Chain wear is not always even, so you should repeat this measurement at
different chain positions.
F00023-10
Chain tension
p. 42)
p. 121)
p. 121)
p. 42)
1
must be taut.
55... 58 mm (2.17... 2.28 in)
p. 42)
60

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