POWR
Power unit
5-49
67C3K11
6.
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.
NOTE:
• Apply engine oil to the threads of the crank-
case bolts.
• Do not turn the crankshaft until the crank-
shaft journal oil clearance measurement
has been completed.
7.
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.
NOTE:
When loosening the crankcase bolts, loosen
them in the opposite order used for tighten-
ing.
Selecting the crankshaft main
bearing
1.
Check the stamped marks
a
,
b
,
c
, and
d
on the cylinder block.
NOTE:
The stamped marks
a
,
b
,
c
, and
d
indi-
cate crankshaft main bearings #1, #2, #3,
and #4 respectively.
2.
Select the suitable bearing color
e
for
the main bearings from the table.
Assembling the cylinder block
1.
Assemble the piston
1
, connecting rod
2
, piston pin
3
, and piston pin clips
4
.
T
R
.
.
Crankcase bolt
1
–
8
(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)
Crankcase bolt
9
–
F
(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)
S67C5145
1
2
3
4
5
6
7
8
9
0
A
B
C
D
E
F
E
E
Crankshaft journal oil clearance
(reference data):
0.012–0.044 mm
(0.0005–0.0017 in)
Stamped marks
a
,
b
,
c
, and
d
Bearing color
e
A
Blue
B
Black
C
Brown
S67C5147
CCBC
CCBC
d c b a
#4
#3
#2
#1
e
Содержание F30A
Страница 1: ...F30A F40B SERVICE MANUAL 67C 28197 3K 11 ...
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Страница 26: ...GEN INFO General information 1 21 67C3K11 MEMO ...
Страница 150: ...POWR Power unit 5 55 67C3K11 MEMO ...
Страница 172: ...LOWR Lower unit 6 21 67C3K11 Shimming S67C6063 T1 T2 B2 A2 F R P T3 B3 A3 42 0 T1 T2 B1 28 0 28 0 B2 A2 A1 ...
Страница 236: ...BRKT Bracket unit 7 55 67C3K11 MEMO ...
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Страница 283: ...YAMAHA MOTOR CO LTD Printed in China Aug 2007 1 2 1 CR E ...