Specified Tightening Torque; Electrical System; Fuel System - Yamaha F150A Service Manual

Specified tightening torque

Specified tightening torques are provided for specific nuts, bolts, and screws. When tightening these
fasteners, follow the tightening torque specifications indicated throughout the manual to meet the
design aims of the outboard motor.
Rigging information
Part to be tightened
Shift cable locknut
Throttle cable locknut
Water pressure sensor adapter
Water pressure sensor
Speed sensor
Battery cable nut
Clamp screw
Receiver screw

Electrical system

Part to be tightened
Control unit screw
Buzzer screw
Transmitter screw

Fuel system

Part to be tightened
Fuel cup assembly
Fuel pump screw
Fuel pump bolt
Intake silencer bolt
Throttle body assembly bolt
Fuel rail bolt
Fuel cooler bolt
Air pressure sensor screw
Vapor separator drain screw
Vapor separator bolt
Float chamber plate screw
Needle valve screw
Float chamber cover screw
Pressure regulator screw
Screw size
—
—
—
—
—
—
M5
M4
Screw size
M6
ø6
ø2
Screw size
—
M6
M6
M6
M8
M8
M6
M5
—
M6
M4
M4
M4
M6
1-17
Specified tightening torque
Tightening torques
N·m kgf·m
5 0.5
5 0.5
23 2.3
18 1.8
18 1.8
9 0.9
2 0.2
4 0.4
Tightening torques
N·m kgf·m
4 0.4
2 0.2
0.1 0.01
Tightening torques
N·m kgf·m
5 0.5
4 0.4
10 1.0
6 0.6
13 1.3
13 1.3
5 0.5
5 0.5
2 0.2
5 0.5
2 0.2
2 0.2
2 0.2
5 0.5
ft·lb
3.7
3.7
17.0
13.3
13.3
6.6
1.5
3.0
ft·lb
3.0
1.5
0.1
ft·lb
3.7
3.0
7.4
4.4
9.6
9.6
3.7
3.7
1.5
3.7
1.5
1.5
1.5
3.7