Specified Torques - YAMAHA Marine 100A Manuel D'entretien

SPEC
TIGHTENING TORQUES

SPECIFIED TORQUES

Part to be tightened
POWER UNIT
Manual injection pump cable
Fuel pump
Intake silencer
Carburetor drain plug
Pilot jet plug
Oil pump
Recoil starter drive plate
Flywheel magnet assembly
Negative battery lead
Power unit mount
Ignition coil
Starter motor lead
Relay assembly lead
Starter motor
Intake manifold
Reed valve
Reed valve stopper
Spark plug
Thermostat cover
Cylinder head cover
Cylinder head
Cooling water pressure
control valve cover
Exhaust port outer cover
Crankcase
Connecting rod
TIGHTENING TORQUES
1st
2nd
1st
2nd
1st
2nd
1st
2nd
1st
2nd
1st
2nd
1st
2nd
1st
2nd
1st
2nd
3rd
4th
5th
Thread size
Nm
M5 4
M5 3
M6 3
— 5
— 3
M6 7
M6 6
M20 190
M8 7
M8 21
M6 8
M6 9
M6 4
M8 30
4
M6
8
M5 3
M3 1
M14 25
4
M6
8
4
M6
8
15
M8
30
4
M6
8
4
M6
8
10
M8
18
20
M10
40
12
37
M8 0
12
37
2-17
Tightening torques
m•kgf
0.4
0.3
0.3
0.5
0.3
0.7
0.6
19
0.7
2.1
0.8
0.9
0.4
3.0
0.4
0.8
0.3
0.1
2.5
0.4
0.8
0.4
0.8
1.5
3.0
0.4
0.8
0.4
0.8
1.0
1.8
2.0
4.0
1.2
3.7
0
1.2
3.7
E
2
ft•lb
2.9
2.2
2.2
3.6
2.2
5.1
4.3
137
5.1
15
5.8
6.5
2.9
22
2.9
5.8
2.2
0.7
18
2.9
5.8
2.9
5.8
11
22
2.9
5.8
2.9
5.8
7.2
13
14
29
8.7
27
0
8.7
27