Installing The Rocker Arm - Husqvarna FS 450 2019 Repair Manual

17 ENGINE
17.4.35
208

Installing the rocker arm

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D04971-10
D04972-10
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Pretension the valve springs using the special tool.
Valve spring mounter (59029019000)
Insert for valve spring lever (77029041200)
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Mount the valve keys.
Info
When mounting the valve keys, check that they are
seated correctly; preferably, fix the valve keys to the
valve with a little grease.
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Place shims into the valve spring retainers according to the
installation position.
O
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Position the rocker arm
✓ The rocker arm shaft with lubrication bore
on the intake side.
0
✓ The cut-outs face upward.
Info
Make sure that the tapped hole of the rocker arm shaft
is facing outward.
(D
Align drill holes
8
holes in the cylinder head.
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Remove appropriate screw M6 .
0
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Use special tool to adjust the distance of the intake
rocker arm.
Guideline
I Rocker arm - axial play
I Feeler gauge (59029041100)
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Press the rocker arm shaft of the intake side all the way into
the cylinder head.
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Mount and tighten screw (D.
(0 p. 312)
(0 p. 316)
and mount rocker arm shafts
6)
is installed
in the rocker arm shafts with drill
I 0.10 mm (0.0039 in)
(0 p. 313)
8.