Husqvarna FC 450 2018 Repair Manual page 277

Main work
O.
Remove screws
Take off camshaft retaining bracket f!}.
8.
Remove screws
Screw in a suitable screw
Guideline
I
Screw
Remove the rocker arm (D.
Remove shims @ and set them down according to the
installation position.
Correct the shims based on the results of the valve clearance
check.
Insert suitable shims.
CYLINDER HEAD
8 0.
into rocker arm shafts
M6
22
275