Suzuki AN650 2002 Service Manual page 123

3-72 ENGINE
CAMSHAFT
• Turn the crankshaft counterclockwise and bring the piston to
the top dead center. (
• Before installing the camshafts to the cylinder head, coat the
journals, cam surfaces and camshaft journal holders with
molybdenum oil.
MOLYBDENUM OIL
NOTE:
Before installing the camshafts, check that the tappet is properly
installed.
• The exhaust camshaft and intake camshaft are distinguished
by the punched mark.
Exhaust camshaft: "B"
Intake camshaft: "A"
• Match the arrow marked (→) on the exhaust cam sprocket "1"
to the cylinder head gasket surface.
• Match the arrow marked on the intake cam sprocket "3" to the
15 roller pins counted from the exhaust cam sprocket "2".
NOTE:
Do not move the crankshaft until the camshaft journal holders
and cam chain tension adjuster are fixed.
2-8)
Punched mark
IN.
IN.
EX.
EX.