Installing The Valves - KTM 450 SX-F EU Repair Manual

301ENGINE - WORK ON THE INDIVIDUAL PARTS
148
- Position valve spring seat . Mount valve stem seal
- Mount the valves corresponding to their installation position.
- Mount the valve springs with the tighter coil at the bottom.
- Mount the valve spring retainers.
- Pre-tension the valve springs using the special tool.
Valve spring compressor (59029019000) (or p. 229)
Insert for valve spring lever (77329060000) (or p. 234)
- Mou nt valve keys
• Info
I
When mounting the valve keys, ensure that they are seated properly; it is
recommended to adhere the valve keys to the valves with a small amount of
grease.
- Position cam levers in the positions they had before they were removed.
• Info
I
Note the wider cam lever for the autodecompressor.
- Mount the cam lever shafts.
- Remove screw
- Mount and tighten the screw plugs.
Guideline
1
Screw plug, cam lever shafts
1
MlOxl
110
Nm (7.4 Ibf
It)
1
- Place the shims in the valve spring retainers in the positions they had before
they were removed.