Husqvarna FC 450 2018 Repair Manual page 275

Engage the highest gear.
Turn the rear wheel until the engine is at ignition top dead
center.
f)
✓ The marking on the camshaft is aligned towards the
center point of the retaining bracket G).
Info
Make sure that the crankshaft is at top dead center.
Unscrew and remove screw
CD.
Remove washer
0
Mount and tighten screw
Check the valve clearance at all valves between the valve and
rocker arm.
Guideline
Valve clearance
Intake at: 20 °C (68 °F)
Exhaust at: 20 °C (68 °F)
Feeler gauge (590290411 00)
If the valve clearance does not meet specifications:
-
Adjust the valve clearance.
0.
Remove locking screw
Crank the engine several times.
Check the valve clearance and correct it if necessary.
0
Mount and tighten screw
Guideline
Screw plug, locking M8
screw
CYLINDER HEAD 22
0.
without the washer.
0.10 ... 0.15 mm (0.0039 ...
0.0059 in)
0.12 ... 0.17 mm (0.0047 ...
0.0067 in)
(a p. 311)
(a p. 274)
CD.
with washer
10 Nm (7.4 lbf ft)
273