Suzuki GSF650S Service Manual page 104

3-68 ENGINE
• Install the right oil pipe A with the bolt 1.
• Install the copper washers onto bolts 9 and A.
• Install the two allen bolts at position B.
• Install the ten crankcase bolts (8 mm).
• Tighten the crankcase bolts (crankshaft tightening bolts) in
ascending order. Tighten each bolt a little at a time to equalize
the pressure.
# Crankcase bolt (M8)
(Initial): 13 N·m (1.3 kgf-m)
(Final): 23 N·m (2.3 kgf-m)
• Tighten the main oil gallery plug B to the specified torque.
$
Replace the O-ring with a new one.
# Main oil gallery plug: 40 N·m (4.0 kgf-m)
• Tighten the lower and upper crankcase bolts (6 mm) and nuts
to the specified torque.
# Crankcase bolt and nut (M6)
(Initial): 6 N·m (0.6 kgf-m)
(Final): 11 N·m (1.1 kgf-m)
NOTE:
* Install a new gasket washer at position C.
* After tightening the upper crankcase bolt D, install the plug C.
* Install the engine ground wire D into the correct position as
shown.
$
Use a new gasket washer to prevent oil leakage.