Checking The Chain, Rear Sprocket, Engine Sprocket And Chain Guide - KTM 125 SX EU 2015 Owner's Manual

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11
SERVICE WORK ON THE CHASSIS
11.38

Checking the chain, rear sprocket, engine sprocket and chain guide

Info
The wide adjustment range of the chain adjusters (32 mm) enables different
secondary ratios with the same chain length.
Chain adjusters
Finishing work
Remove the motorcycle from the lift stand. (
Preparatory work
Raise the motorcycle with the lift stand. (
Main work
Shift gear to neutral.
Check the rear sprocket and engine sprocket for wear.
»
If the rear sprocket or engine sprocket is worn:
Change the drivetrain kit.
400227-01
Pull on the upper part of the chain with the specified weight
Guideline
Weight, chain wear measurement
Measure the distance
Info
Chain wear is not always even, so you should repeat this measurement at
different chain positions.
Maximum distance
chain section
»
If the distance
Change the drivetrain kit.
400987-10
Check the chain sliding guard for wear.
»
If the lower bolt edge of the chain is in line with or below the chain sliding
guard:
Change the chain sliding guard.
Check the chain sliding guard for tightness.
»
If the chain sliding guard is loose:
Tighten the chain sliding guard.
Guideline
Screw, chain sliding
guard
800201-10
can be turned by 180°.
x
Info
The engine sprocket, rear sprocket and chain should always be
changed together.
of 18 chain links in the lower chain section.
at the longest
is greater than the specified measurement:
x
Info
When you mount a new chain, you should also change the rear
sprocket and engine sprocket.
New chains wear out faster on old, worn sprockets.
x
M6
p. 39)
p. 39)
.
10... 15 kg (22... 33 lb.)
272 mm (10.71 in)
Loctite
6 Nm
(4.4 lbf ft)
56
243™
®

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