12
SERVICE WORK ON THE CHASSIS
73
12.39
Checking the chain, rear sprocket, engine sprocket and chain guide
Preparatory work
–
Raise the motorcycle with the lift stand. (
400227-01
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.
Info
The engine sprocket, rear sprocket and chain should always be
replaced together.
400987-10
–
Pull on the upper part of the chain with the specified weight
.
Guideline
Weight of chain wear measurement
10… 15 kg (22… 33 lb.)
–
Measure the distance
of 18 chain links in the lower chain section.
Info
Chain wear is not always even, so you should repeat this measurement at
different chain positions.
Maximum distance
at the longest
chain section
272 mm (10.71 in)
» If the distance
is greater than the specified measurement:
–
Change the power set.
Info
When the chain is replaced, the rear sprocket and engine sprocket
should also be changed.
New chains wear out faster on old, worn sprockets.
L02465-01
–
Check the chain sliding guard for wear.
» If the bottom edge of the chain bolt is in line with 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
M6
6 Nm
(4.4 lbf ft)
Loctite
®
243™
Summary of Contents for 250 EXC-F EU 2010
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