Adjusting The Valve Timing - KTM 450 SX ATV 2010 Repair Manual

30/ENGINE ASSEMBLY

Adjusting the valve timing

20.29
–
Position the camshaft bearing bridges.
Info
Ensure that the needle rollers and the O-ring are correctly seated.
–
Mount screws
Guideline
Screw, camshaft bearing
bridge
301612-11
–
Position the camshafts and turn them so the flat surfaces
The valves are not activated.
301642-10
–
Mount the special tool.
Adjustment bush bridge (77329050000) (
–
Mount and tighten screws
Guideline
Screw, camshaft bearing
bridge
301641-10
–
Position camshaft bearing bridge
Info
Ensure that the locating pins are seated properly.
–
Mount and tighten the screws.
Guideline
Screw, camshaft bearing
bridge
301643-10
–
Tighten screw
Guideline
Screw, camshaft gear
–
Remove the special tool.
Adjustment bush bridge (77329050000) (
–
Position camshaft bearing bridge
Info
Ensure that the needle rollers and the O-ring are correctly seated.
–
Mount and tighten the screws.
Guideline
301644-10
Screw, camshaft bearing
bridge
and tighten from the inside to the outside.

M7x1
.

M7x1
.

M7x1
.

M10x1
.

M7x1
14 Nm lubricated with
(10.3 lbf ft) engine oil
face upward.

p. 232)
14 Nm lubricated with
(10.3 lbf ft) engine oil
14 Nm lubricated with
(10.3 lbf ft) engine oil
50 Nm lubricated with
(36.9 lbf ft) engine oil
p. 232)
14 Nm lubricated with
(10.3 lbf ft) engine oil
157