Checking Rear Sprocket / Engine Sprocket For Wear - KTM 450 SX ATV Owner's Manual

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MAINTENANCE ON CHASSIS AND ENGINE

Checking rear sprocket / engine sprocket for wear

9.30
Park the vehicle on a horizontal surface and shift gears to neutral.
Push the upper chain section at the end of the chain sliding component upwards to
measure the chain tension
Info
The lower chain section must be taut.
Chain wear is not always even, so you should repeat this measurement at differ-
ent chain positions.
Chain tension
100093-10
»
If the chain tension does not meet specifications:
Adjust the chain tension. (
Check rear sprocket / engine sprocket for wear.
»
If the rear sprocket / engine sprocket are worn:
Replace the rear sprocket / engine sprocket.
400227-01
Check that the chain guides are tight.
.
p. 85)
Info
When fitting the chain joint, always make sure that the closed side of the
joint faces forward (riding direction).
The engine sprocket, rear sprocket and chain should always be replaced
together.
140... 145 mm (5.51... 5.71 in)
83

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505 sx atv

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