Honda SH300 2006 Manual page 224

CYLINDER HEAD/VALVES
Place a shop towel into the cylinder head opening to
prevent fasteners from falling into the crankcase.
Remove the two bolts while holding the drive pulley
(crankshaft), and the cam sprocket off of the cam-
shaft.
Remove the cam sprocket from the cam chain.
Attach a piece of wire to the cam chain to prevent it
from falling into the crankcase.
CAMSHAFT/ROCKER ARM REMOVAL
Shift the rocker arms to the spring side and remove
the shims.
• Do not allow the shims to fall into the crankcase.
• Mark all shims to ensure correct reassembly in
their original locations.
• The shims can be easily removed with tweezers
or a magnet.
Remove the bolt and stopper plate.
Remove the camshaft while pressing down the
valve side of the rocker arm.
9-8
SPROCKET
BOLT
CAMSHAFT
BOLTS
CHAIN
SHIMS
STOPPER PLATE