TOHATSU 90 - Page 78

SECTION 4
4-4
3-/ 4-Cylinder
2.087
0
in
- 0.001
[
53
0
mm
]
- 0.02
2.362
- 0.008
in
- 0.009
[
60
- 0.20
mm
]
- 0.22
*Refer to Section 2 for Standard Torque Values chart.
Powerhead Specifications
Description
Torque
in-Ib
N·m
kg-m
Threadlocker
Model
40 / 50 60 / 70 80 / 90
115 / 120 / 140
Air Silencer Bolt
44 - 53
5 - 6
0.5 - 0.6
27 - 35
3 - 4
0.3 - 0.4
44 - 53
5 - 6
0.5 - 0.6
44 - 53
5 - 6
0.5 - 0.6
Loctite 242
Air Silencer Cover
Bolt
––
4 - 9
0.45 - 1.0
0.05 - 0.1
4 - 9
0.45 - 1.0
0.05 - 0.1
27 - 35
3 - 4
0.3 - 0.4
Figure Description Unit 40 / 50 60 / 70 80 / 90 115 / 120 / 140
Compression
psi
kPa
kg/cm
2
101.5
699.8
7.14
120.8
833.0
8.50
116.6
804.0
8.20
127.9
882.0
9.00
Thermostat
Opening
Temperature
˚F
˚C
140
60
140
60
140
60
140
60
Crankshaft
in
mm
–– –– ––
9.173 in
233.0 mm
10.020 in
254.5 mm
11.339 in
288.0 mm
15.669 in
398.0 mm
1
1
1*
2
3
T1756
2.677
0
in
- 0.001
[
68
0
mm
]
- 0.02
2.677
0
in
- 0.001
[
68
0
mm
]
- 0.02
2.598
0
in
- 0.001
[
66
0
mm
]
- 0.02
1.457
+ 0.002
in
- 0
[
37
+ 0.05
mm
]
- 0
1.467
+ 0.002
in
- 0
[
37.25
+ 0.05
mm
]
- 0
1.732
+ 0.002
in
- 0
[
44
+ 0.05
mm
]
- 0
1.654
+ 0.002
in
- 0
[
42
+ 0.05
mm
]
- 0