Suzuki SFV650, Service Manual

Page: 223 / 573

Engine Mechanical: 1D-34
• Tighten the cylinder nuts (7) to the specified torque.
Tightening torque
Cylinder nut (M6) (d): 10 N·m (1.0 kgf-m, 7.0 lbf-ft)
Front Camshaft
• Turn the crankshaft clockwise and align “I F” line “A”
on the generator rotor with the index mark “B” of the
valve timing inspection hole while keeping the cam
chains pulled upward.
CAUTION
!
• Pull the cam chain upward, or the chain
will be caught between crankcase and cam
drive sprocket.
• To adjust the camshaft timing correctly, be
sure to align “I F” line “A” with the index
mark “B” and hold this position when
installing the camshafts.
• The camshafts are identified by the embossed letters.
• Before replacing the camshafts on cylinder head,
apply molybdenum oil solution to their journals and
cam faces.
• Apply molybdenum oil solution to the camshaft journal
holders.
M/O: Molybdenum oil (MOLYBDENUM OIL
SOLUTION)
NOTE
Before installing the camshaft, check that the
tappets are installed correctly.
• Pull the cam chain lightly.
• The exhaust camshaft sprocket has an arrow mark
“1F” “C”. Install the exhaust camshaft so that the
arrow “C” is aligned with the mating surface of the
cylinder head.
• Engage the cam chain with the intake camshaft
sprocket.
• The other arrow marked “2” “D” should now be
pointing straight up. Starting from the roller pin that is
directly above the arrow marked “2” “D”, count out
16th roller pins (from the exhaust camshaft side going
towards the intake camshaft side).
letter mark
Intake INF
Exhaust EXF
(d)
7
I944H1140176-01
“A”
“B”
I944H1140177-01
I944H1140178-01
“C”
I944H1140179-01