Removing the camshafts
– Open the plug on the chain tensioner
1
and pull out the chain
tensioner
2
.
– Discard the sealing washer on the plug and the O-ring
3
on the
chain tensioner.
– Loosen all of the screws and nuts on the upper camshaft bearing
bridge
4
and carefully remove the camshaft bearing bridge.
NOTE: the screws on the timing chain guide rail
5
have distance
bushings
6
, be careful not to lose them.
– Turn the exhaust camshaft up along the timing chain and towards
the intake camshaft; take the timing chain off the camshaft gear.
– Also remove the intake camshaft; let the timing chain fall into the
timing chain compartment.
4-4
Repair manual KTM 250 SX-F
Art.-No. 3.206.027-E
1
2
3
4
5
6
Summary of Contents for 250 SX-F 2005
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