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16
ENGINE
16.4.9
Work on the cylinder head (125 Duke)
–
Remove the spacer
–
Take off bearing
–
Oil the new bearing and slide it onto the camshaft.
Lubricated with engine oil
–
Mount the spacer.
304547-10
–
Mount camshaft gear
Holding lug
–
Mount and tighten screw
Guideline
Screw, camshaft drive
sprocket
–
Remove the special tool.
Holding spanner (90129012000) (
304546-10
–
Repeat these steps on the second camshaft.
–
Fold cam lever
–
Take the shims
ing to their normal built-in position.
304551-10
–
Pretension the valve spring using the special tool.
Valve spring compressor (59029019000) (
Insert for valve spring lever (90129060000) (
304552-10
–
Remove valve keys
–
Remove valve spring retainer
–
Remove valve spring, valve stem seal
Info
Place the valve into a box according to the installation position and label the
box.
–
Check the cylinder head. (
–
304537-10
Mount valve spring seat
–
Mount the valve spring.
–
Mount valve spring retainer
.
4
.
5
.
3
engages in the recess of the camshaft.
A
.
2
M8
p. 276)
up.
1
out of the valve spring retainers and lay them to one side accord-
2
and relax the valve spring.
3
.
4
, and valve spring seat
5
p. 143)
and the new valve stem seal
6
.
4
Loctite
®
243™
20 Nm
(14.8 lbf ft)
p. 272)
p. 279)
.
6
.
5
142
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