Checking The Chain, Rear Sprocket, And Engine Sprocket - KTM 390 DUKE 2022 Owner's Manual

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12 SERVICE WORK ON THE CHASSIS
12.14
62

Checking the chain, rear sprocket, and engine sprocket

100132-10
401288-10
1
Tighten nut
.
Guideline
Nut, rear wheel spin-
dle
Finishing work
Remove the rear of the motorcycle from the lifting gear.
(
p. 56)
Preparatory work
Raise the motorcycle with the rear lifting gear. (
Main work
Check the rear sprocket and engine sprocket for wear.
»
If the rear sprocket and engine sprocket are worn:
Change the drivetrain kit.
Info
The engine sprocket, rear sprocket, and chain
should always be replaced together.
Shift the transmission into neutral.
Pull on the lower chain section with the specified weight
Guideline
Weight, chain wear measure-
ment
B
Measure distance
of 20 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
from
20 chain rollers at 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 old, worn sprock-
ets.
M14x1.5
98 Nm (72.3 lbf ft)
p. 56)
15 kg (33 lb.)
301.6 mm (11.874 in)
A
.

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