KTM 450 SX-F 2017, Руководство пользователя, Страница: 64 / 125

11 SERVICE WORK ON THE CHASSIS
62
400987-10
–
Pull at the top part of the chain with the specified weight
A
.
Guideline
Weight, chain wear measurement 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 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 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.
S01249-01
–
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™
S01250-01
–
Check the chain sliding piece for wear.
» If the lower edge of the chain pins is in line with or below the chain sliding
piece:
–
Change the chain sliding piece.
–
Check that the chain sliding piece is firmly seated.
» If the chain sliding piece is loose:
–
Tighten the screw on the chain sliding piece.
Guideline
Screw, chain sliding piece M8 15 Nm
(11.1 lbf ft)