KTM 250 SX-F 2005, Repair Manual

Page: 36 / 125

Removing the cylinder head and piston
– Remove the lower camshaft bearing bridge
1
, remove the dowels.
– Take the shims out of the spring retainers and mark their mounted
positions.
NOTE: you will only need to check the valve clearance after
assembling; if valves or other parts in the valve control or replaced, the
valve clearance will need to be readjusted.
– Remove the screws from the chain guide
2
, the cylinder head
3
and the cylinder base
4
.
– Pull the timing chain guide
5
out of the timing chain compartment.
– Loosen the cylinder head crews crosswise and remove together with
the washers.
4-5
1
2
3
3
4
5