KTM 125 Duke Owner's Manual page 76

SERVICE WORK ON THE CHASSIS
A 0 0 A
B 0 0 0 B
1 2 3 18 19 20
–
Shift gear to neutral.
–
Pull the lower chain section with specified weight
Guideline
Weight, chain wear measurement
–
Measure the distance
Info
Chain wear is not always even, so you should repeat this measurement at differ-
ent chain positions.
Maximum distance
chain section
» If the distance
–
Replace the chain.
401288-10
–
Check the chain sliding guard for wear.
» If bush
–
Change the chain sliding guard.
–
Check that the chain sliding guard is firmly seated.
» If the chain sliding guard is loose:
–
Tighten the chain sliding guard.
B00738-10
of 20 chain links in the lower chain section.

at the longest

is greater than the specified measurement:

x
Info
When the chain is replaced, the rear sprocket and engine sprocket
should also be changed.
New chains wear out faster on old, worn sprockets.
becomes visible on the chain sliding piece in area

x
.

15 kg (33 lb.)
301.6 mm (11.874 in)
:

74