SELVA MARINE Wahoo 15 Service Manual page 156

POWR
3. Install half of the main bearings 1 and
the crankshaft 2 into the cylinder block
3.
NOTE:
• Install the main bearings in their original
positions.
• Insert the projection a of each bearing into
the slots in the cylinder block.
4. Put a piece of Plastigauge (PG-1) on
each crankshaft journal parallel to the
crankshaft.
NOTE:
Be sure not to put the Plastigauge (PG-1)
over the oil hole in each main journal of the
crankshaft.
5. Install the remaining half of the main
bearings into the crankcase.
NOTE:
• Install the main bearings in their original
positions.
• Insert the projection of each bearing into
the slots in the crankcase.
5-57
Power unit
6. Install the crankcase onto the cylinder
block.
NOTE:
Apply engine oil to the threads of the crank-
case bolts.
7. Tighten the crankcase bolts to the speci-
fied torques in 2 stages and in the
sequence shown.
1
9
5
8
4
NOTE:
Do not turn the crankshaft until the crankshaft
journal oil clearance measurement has been
completed.
Crankcase bolt 1–4 (M8):
1st: 14 N·m (1.4 kgf·m, 10.3 ft·lb)
2nd: 27 N·m (2.7 kgf·m, 19.9 ft·lb)
Crankcase bolt 5–0 (M6):
1st: 6 N·m (0.6 kgf·m, 4.4 ft·lb)
2nd: 12 N·m (1.2 kgf·m, 8.9 ft·lb)
8. Gently remove the crankcase, and then
measure the width of the compressed
Plastigauge (PG-1) on each crankshaft
journal. Replace the main bearings if out
of specification.
2
0
6
7
3
S6AG5830
E
6AG3J11