Yamaha F30A Service Manual page 146

POWR
6. Install the oil seals A and B onto the
crankshaft C as shown, and then install
the crankshaft into the cylinder block.
E
B
NOTE:
Apply engine oil to the inside of each oil seal
before installation.
7. Install the connecting rod caps D to the
connecting rods, and then tighten the
bolts to the specified torques in 2 stages.
E
D
NOTE:
• Make sure that the projections f on the
connecting rod cap D face towards the fly-
wheel magnet end È of the crankshaft.
• Apply engine oil to the connecting rod cap
bolts before installation.
• After tightening the connecting rod cap
bolts, check that the crankshaft rotates
smoothly.
5-51
Power unit
C
A
E
S67C5153
È
E
f
S67C5154
Connecting rod cap bolt:
1st: 6 N·m (0.6 kgf·m, 4.4 ft·lb)
2nd: 17 N·m (1.7 kgf·m, 12.5 ft·lb)
8. 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.
9. Apply sealant to the mating surface of
the crankcase.
518
NOTE:
Do not get any sealant on the main bearings.
10. Install the crankcase onto the cylinder
block, and then tighten the crankcase
bolts to the specified torques in 2 stages
and in the sequence shown.
5
C
1
9
4
B
8
F
E
NOTE:
Apply engine oil to the threads of the crank-
case bolts before installation.
E
S67C5155
6
D
2
0
3
A
7
E
E
S67C5145
67C3K11