Checking The Chain, Rear Sprocket, Engine Sprocket And Chain Guide - KTM 150 SX Owner's Manual

SERVICE WORK ON THE CHASSIS

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

11.38
A 0 0 A
B 0 0 0 B
1 2 3 16 17 18
–
Raise the motorcycle with the lift stand. (
–
Shift gear to neutral.
–
Check the rear sprocket and engine sprocket for wear.
» If the rear sprocket and engine sprocket are worn:
–
Change the rear sprocket or engine sprocket.
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; repeat this measurement at different chain
positions.
Maximum distance
chain section
» If the distance
–
Change the chain.
400987-10
–
Check the chain sliding guard for wear.
» If the lower edge of the chain pins 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
Info
The engine sprocket, rear sprocket, and chain should always be
changed together.
10... 15 kg (22... 33 lb.)
of 18 chain links in the lower chain section.

at the longest 272 mm (10.71 in)

is greater than the specified measurement:

x
Info
When you replace the chain, you should also change the rear
sprocket and engine sprocket.
New chains wear out faster on old, worn sprockets.
x
M6
p. 37)
x
.

6 Nm Loctite ®
(4.4 lbf ft)
52
243™