Checking The Chain, Rear Sprocket, Engine Sprocket, And Chain Guide - GAS GAS MC 85 2021 Owner's Manual

11 SERVICE WORK ON THE CHASSIS
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Checking the chain, rear sprocket, engine sprocket, and chain guide

400227-01
400987-10
Info
The wide adjustment range of the chain adjusters (32 mm
(1.26 in)) enables different secondary ratios with the same
chain length.
4
Chain adjusters
Finishing work
–
Remove the motorcycle from the lift stand. (
Preparatory work
–
Raise the motorcycle with a lift stand. (
Main work
–
Shift the transmission into neutral.
–
Check the chain, rear sprocket, and engine sprocket for wear.
» If the chain, rear sprocket or engine sprocket is worn:
–
Change the drivetrain kit.
Info
The engine sprocket, rear sprocket, and chain
should always be replaced together.
–
Pull on the top section of the chain with the specified weight
Guideline
Weight, chain wear measure-
ment
–
B
Measure distance 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.
B
Maximum distance from
18 chain rollers at the longest
chain section
»
B
If distance 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 an old, worn rear
sprocket or engine sprocket.
can be turned by 180°.
p. 42)
p. 42)
10 ... 15 kg (22 ... 33 lb.)
219 mm (8.62 in)
A
.