GAS GAS MC 450F 2022, Owner'S Manual

Page: 81 / 157

SERVICE WORK ON THE CHASSIS 11
79
400987-10
–
Pull on the top section of the chain with the specified weight
A
.
Guideline
Weight, chain wear measure-
ment 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 an old, worn rear
sprocket or engine sprocket.
A00794-10
–
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 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™