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Checking the chain for wear
To check the chain for wear proceed as follows:
Switch the transmission to idle and put a load of approx. 15 kilograms (33 lbs) on the lower
part of the chain (see illustration). Now measure the distance between 18 chain rollers on
the upper part of the chain. The chain needs to be replaced when the distance is 272 mm
(10.70 in). Since chains do not always wear evenly, repeat the measurement at different
parts of the chain.
Replace the chain if any X-rings are missing.
NOTE:
If you mount a new chain, the sprockets should also be replaced. New chains wear faster if
used on old used sprockets.
MAINTENANCE WORK ON CHASSIS AND ENGINE »
39
Chain maintenance
For long chain life, good maintenance is very important. X-ring chains require only modest
maintenance. The best way is to use lots of water, but never use brushes or solvents. After
drying, use a special chain spray designed for X-ring chains (Motorex Chainlube 622).
– No lubrication is allowed to reach the rear tire or the brake disk, eitherwise the road
adherence and the rear wheel braking effects would be strongly reduced and the motor-
cycle could easily get out of control.
– The chain does not have a chain joint for safety reasons. Always have the chain replaced
in an authorized KTM workshop where the service technicans have the required riveting
tool.
– Never mount a normal chain joint.
Also check sprockets and chain guides for wear, and replace if necessary.
15 KG
max. 272 mm
1 2 3
16 17 18