KTM 450 SX-F 2023 Owner's Manual page 87

–
Pull on the top section of the chain with the specified
A
weight .
Guideline
Weight, chain wear measure-
ment
–
Measure distance
section.
Info
Chain wear is not always even, so you should repeat
this measurement at different chain positions.
Maximum distance
18 chain rollers at the
longest chain section
»
If distance
–
Change the drivetrain kit.
400987-10
–
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 screws on the chain sliding guard.
Guideline
Screw, chain slid-
ing guard on link
fork
S05363-10
SERVICE WORK ON THE CHASSIS 11
10 ... 15 kg (22 ... 33 lb.)
B
of 18 chain rollers in the lower chain
272 mm (10.71 in)
B
from
B
is greater than the specified measurement:
Info
When a new chain is mounted, the rear sprocket
and the engine sprocket should also be
changed.
New chains wear out faster on an old, worn rear
sprocket or engine sprocket.
M6 6 Nm (4.4 lbf ft)
85