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Yamaha F50F - Page 139

Yamaha F50F
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6C13G11
5-48
1
2
3
4
5
6
7
8
9
NOTE:
Align the alignment marks
g
on the con-
necting rod cap and connecting rod.
Apply engine oil to the connecting rod bolts
before installation.
9. Install half of the bearings into the crank-
case.
NOTE:
Install the main bearings in their original
positions.
Insert the projection of each bearing into
the slots in the crankcase.
10. Apply sealant to the mating surface of
the crankcase.
NOTE:
Do not get any sealant on the main bearings.
11. Install the crankcase onto the cylinder
block.
12. Tighten the crankcase bolts to the speci-
fied torques in two stages and in the
sequence shown.
NOTE:
Apply engine oil to the crankcase bolts before
installation.
13. Before installing the oil filter, be sure to
supply engine oil to the oil passage
h
.
T
R
.
.
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)
S6C15760
GM
E
T
R
.
.
1
0
Crankcase bolt (M8):
1st: 15 N·m (1.5 kgf·m, 11.1 ft·lb)
2nd: 30 N·m (3.0 kgf·m, 22.1 ft·lb)
A
J
Crankcase bolt (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)
S6C15770
h
Cylinder block

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