Checking The Valve Timing; Adjusting The Valve Timing - KTM 450 SX-F EU Repair Manual

301ENGINE ASSEMBLY
Cbeckinllhe valve liminl
Adjullinllhl valvl liminl
Condition
The camshaft has not been disassembled.
- Oil the camshafts and bearing positions.
I
Lubricated with engine oil
- Position the camshafts and turn them so the flat surfaces face upward.
- Position special tool
I
Adjustment bush bridge (77329050000) ( .. p. 233)
- Check the valve timing.
I
The special tool must
be
full contact with the cylinder head and flat surfaces.
• If the special tool is not in full contact:
- Take off the special tool.
- Remove the camshafts.
- Force the camshaft gears off the camshafts.
- Adjust the valve timing. ( .. p.
171)
- Position the camshaft bearing bridges.
• Info
I
Ensure that the needle rollers and the O-ring are correctly seated.
- Mount screws and tighten from the inside to the outside.
Guideline
Screw, camshaft bearing
bridge
M7xl 14 Nm
(10.3
Ibf It)
Lubricated with
engine oil
- Position the camshafts and turn them so the flat surfaces face upward.
, / The valves are not activated.
- Mount the special tool.
I
Adjustment bush bridge
(77329050000) ( ..
p.
233)
- Mount and tighten screws
Guideline
Screw, camshaft bearing
bridge
M7xl 14 Nm
(10.3
Ibf
It)
Lubricated with
engine oil
171