KTM 250 EXC TPI 2018 Owner's Manual page 94

12 SERVICE WORK ON THE CHASSIS
92
–
Pull at the top part of the chain with the specified weight
Guideline
Weight, chain wear measure-
ment
–
Measure the distance
section.
Info
Chain wear is not always even, so you should repeat
this measurement at different chain positions.
Maximum distance
the longest chain section
»
If distance
–
Change the drivetrain kit.
400987-10
–
Check the chain sliding guard for wear.
» If the lower edge of the chain pin is at the level of or below
the chain sliding guard:
–
Change the chain sliding guard.
–
Check that the chain sliding guard is firmly seated.
» If the chain sliding guard is loose:
–
Tighten the screws on the chain sliding guard.
Guideline
Screw, chain
sliding guard
E00886-10
10 ... 15 kg (22 ... 33 lb.)
B
of 18 chain links in the lower chain
272 mm (10.71 in)
B
at
B
is greater than the specified measurement:
Info
When the chain is replaced, the rear sprocket
and engine sprocket should also be changed.
New chains wear out faster on old, worn sprock-
ets.
M6 6 Nm (4.4 lbf ft)
A
.
Loctite ® 243™