KTM 450 EXC EU 2013 Repair Manual page 109

14
WHEELS
..
400227-01
·d~-----.
123 1617 18
400987-10
Main wark
- Shift gear to neutral.
- Check the rear sprocket and engine sprocket for wear.
• If the rear sprocket or engine sprocket is worn:
- Change the power set.
• Info
109
I
The engine sprocket, rear sprocket and chain should always be
replaced together.
- Pull on the upper part of the chain with the specified weight
Guideline
I
Weight of chain wear measurement 110 ... 15 kg (22 ... 33 lb.)
- Measure the distance of
18
chain links in the lower chain section.
• Info
I
Chain wear is not always even, so you should repeat this measurement at
different chain positions.
Maximum distance at the longest
272 mm (10.71 in)
chain section
• If the distance is greater than the specified measurement:
- Change the power set.
• Info
I
When the chain is replaced, the rear sprocket and engine sprocket
should also be changed.
New chains wear out faster on old, worn sprockets.
- Check the chain sliding guard for wear.
• If the bottom edge
01
the chain bolt 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 chain sliding guard.
Guideline
Screw, chain sliding
guard
M6
6
Nm
(4.4 Ibl
ft)
Lac!i!e- 243'"