Husqvarna FC 250 2017 Owner's Manual page 57

11 SERVICE WORK ON THE CHASSIS
A 0 0 A
B 0 0 0 B
1 2 3
–
Pull at the top part of the chain with the specified weight
Guideline
Weight, chain wear measurement
–
Measure distance
Maximum distance
chain section
»
16 17 18
400987-10
–
Check the chain sliding guard for wear.
»
–
Check that the chain sliding guard is firmly seated.
»
H01416-10
–
Check the chain sliding piece for wear.
»
–
Check that the chain sliding piece is firmly seated.
»
H01419-10

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.

at the longest

If distance is greater than the specified measurement:
–
Change the drivetrain kit.
Info
When the chain is replaced, the rear sprocket and engine sprocket
should also be changed.
New chains wear out faster on an old, worn rear sprocket or engine
sprocket.
If the lower edge of the chain pins is in line with or below the chain sliding
guard:
–
Change the chain sliding guard.
If the chain sliding guard is loose:
–
Tighten the screws on the chain sliding guard.
Guideline
Screw, chain sliding
guard
If the lower edge of the chain pins is in line with or below the chain sliding
piece:
–
Change the chain sliding piece.
If the chain sliding piece is loose:
–
Tighten the screw on the chain sliding piece.
Guideline
Screw, chain sliding piece

.
10... 15 kg (22... 33 lb.)
272 mm (10.71 in)
M6 6 Nm
(4.4 lbf ft)
M8
55
Loctite ® 243™
15 Nm
(11.1 lbf ft)