Checking The Chain, Rear Sprocket, Engine Sprocket And Chain Guide - Husqvarna TC 250 Owner's Manual

11 SERVICE WORK ON THE CHASSIS
11.39
80

Checking the chain, rear sprocket, engine sprocket and chain guide

400227-01
400987-10
Guideline
Nut, rear wheel spin-
dle
Info
The wide adjustment range of the chain adjusters
(32 mm (1.26 in)) enables different secondary ratios
with the same chain length.
Chain adjusters 4
Finishing work
–
Remove the motorcycle from the lift stand. (
Preparatory work
–
Raise the motorcycle with a lift stand. (
Main work
–
Shift the transmission to idle.
–
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.
–
Pull at the top part of the chain with the specified weight
Guideline
Weight, chain wear mea-
surement
–
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
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.
M25x1.5 80 Nm (59 lbf ft)
can be turned by 180°.
p. 53)
p. 53)
10 ... 15 kg (22 ... 33 lb.)
272 mm (10.71 in)
at
A
.