KTM 450 SMR 2021, Руководство пользователя

Страница: 68 / 139

11 SERVICE WORK ON THE CHASSIS
66
11.36 Checking the chain, rear sprocket, engine sprocket, and chain guide
Preparatory work
–
Raise the motorcycle with a lift stand. ( p. 42)
400227-01
Main work
–
Shift the transmission to neutral position.
–
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.
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.