TOHATSU 40 - Service Specifications

POWERHEAD
4-3
3-/ 4-Cylinder
SERVICE SPECIFICATIONS
Special Torque Values
Description
Torque
in-lb (ft-lb)
N·m
kg-m
Threadlocker
Model
40 / 50 60 / 70 80 / 90
115 / 120 / 140
Thermostat Cap
44 - 53
5 - 6
0.5 - 0.6
44 - 53
5 - 6
0.5 - 0.6
44 - 53
5 - 6
0.5 - 0.6
44 - 53
5 - 6
0.5 - 0.6
––
Electrical Box
Cover Bolt
––
4 - 9
0.45 - 1.0
0.05 - 0.1
4 - 9
0.45 - 1.0
0.05 - 0.1
26 - 44
3 - 5
0.3 - 0.5
––
Spark Plug
(18 - 22)
25 - 29
2.5 - 2.9
(18 - 22)
25 - 29
2.5 - 2.9
(18 - 22)
25 - 29
2.5 - 2.9
(18 - 22)
25 - 29
2.5 - 2.9
––
Engine Mounting Bolt
(14 - 15)
19 - 21
1.9 - 2.1
(14 - 15)
19 - 21
1.9 - 2.1
(17 - 19)
24 - 26
2.4 - 2.6
(25 - 30)
34 - 41
3.4 - 4.1
––
Exhaust Cover Bolt
71 - 88
8 - 10
0.8 - 1.0
71 - 88
8 - 10
0.8 - 1.0
115 - 133
13 - 15
1.3 - 1.5
115 - 133
13 - 15
1.3 - 1.5
––
Flywheel Nut
(65 - 80)
88 - 108
8.8 - 10.8
(101 - 116)
137 - 157
13.7 - 15.7
(101 - 116)
137 - 157
13.7 - 15.7
(181 - 195)
245 - 265
24.5 - 26.5
––
Cylinder Head Bolt
M6:
(3 - 5)
5 - 6
0.5 - 0.6
M8:
(22 - 25)
29 - 34
2.9 - 3.4
(22 - 25)
29 - 34
2.9 - 3.4
(22 - 25)
29 - 34
2.9 - 3.4
(22 - 25)
29 - 34
2.9 - 3.4
––
Cylinder Head
Cover Bolt
––
44 - 53
5 - 6
0.5 - 0.6
44 - 53
5 - 6
0.5 - 0.6
44 - 53
5 - 6
0.5 - 0.6
––
Crankcase Bolt
(17 - 19)
24 - 26
2.4 - 2.6
M8:
(17 - 19)
24 - 26
2.4 - 2.6
M10:
(27 - 30)
37 - 41
3.7 - 4.1
M8:
(17 - 19)
24 - 26
2.4 - 2.6
M10:
(27 - 30)
37 - 41
3.7 - 4.1
M8:
(17 - 19)
24 - 26
2.4 - 2.6
M10:
(27 - 30)
37 - 41
3.7 - 4.1
––
Carburetor
Mounting Bolt
44 - 53
5 - 6
0.5 - 0.6
44 - 53
5 - 6
0.5 - 0.6
–– –– ––
Intake Manifold Bolt
44 - 53
5 - 6
0.5 - 0.6
68 - 88
8 - 10
0.8 - 1.0
44 - 53
5 - 6
0.5 - 0.6
44 - 53
5 - 6
0.5 - 0.6
––