KTM 450 XC Owner's Manual page 102

MAINTENANCE ON CHASSIS AND ENGINE
–
Pull the lower chain section with the specified weight
Guideline
Chain-wear measuring weight
–
Measure the distance
Info
Chain wear is not always even, so you should repeat this measurement at differ-
ent chain positions.
Maximum distance
chain section
» If the distance
–
Replace the chain.
100096-10
of 18 chain links in the upper chain section.

at the longest

is greater than the specified measurement:

Info
When you replace the chain, you should also replace the rear sprocket
and engine sprocket.
New chains wear out faster on old, worn sprockets.
.

10... 15 kg (22... 33 lb.)
272 mm (10.71 in)
100