12 SERVICE WORK ON THE CHASSIS
88
12.39 Checking the chain, rear sprocket, engine sprocket, and chain guide
Preparatory work
– Raise the motorcycle with the lift stand. ( p. 62)
400227-01
Main work
– Shift the transmission to idle.
– Check the rear sprocket and engine sprocket for wear.
» If the rear sprocket and engine sprocket are worn:
– Change the drivetrain kit.
Info
The engine sprocket, rear sprocket and chain
should always be replaced together.
400987-10
–
Pull at the top part of the chain with the specified weight
A
.
Guideline
Weight of chain wear mea-
surement
10 … 15 kg (22 … 33 lb.)
–
Measure distance
B
of 18 chain rollers in the lower chain
section.
Info
Chain wear is not always even, so you should repeat
this measurement at different chain positions.
Maximum distance
B
from
18 chain rollers at the
longest chain section
272 mm (10.71 in)
»
If distance
B
is greater than the specified measurement:
– Change the drivetrain kit.
Info
When a new chain is mounted, the rear sprocket
and engine sprocket should also be changed.
New chains wear out faster on old, worn sprock-
ets.
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