Yamaha F150A - General Tightening Torque; PTT Unit

1-20
Specified tightening torque
0
1
2
3
4
5
6
7
8
9
10
A
PTT unit
General tightening torque
This chart indicates the tightening torques for
standard fasteners with a standard ISO
thread pitch.
Oil pan assembly bolt
M8 20 2.0 14.8
M10 42 4.2 31.0
Drain bolt — 28 2.8 20.7
Oil strainer bolt M6 12 1.2 8.9
Oil pan bolt M8 20 2.0 14.8
Exhaust manifold bolt M8 20 2.0 14.8
Muffler bolt M8 20 2.0 14.8
Self-locking nut — 15 1.5 11.1
Grease nipple — 3 0.3 2.2
Trim stopper nut — 48 4.8 35.4
Trim sensor screw M6 4 0.4 3.0
Part to be tightened Screw size
Tightening torques
N·m kgf·m ft·lb
Lower mounting shaft bolt M10 39 3.9 28.8
Reservoir cap — 7 0.7 5.2
Main valve — 11 1.1 8.1
Manual valve — 3 0.3 2.2
Tilt ram — 65 6.5 47.9
Tilt piston screw M6 7 0.7 5.2
Trim cylinder end screw — 160 16.0 118.0
Tilt cylinder end screw — 150 15.0 110.6
PTT motor mounting bolt M6 7 0.7 5.2
Reservoir mounting bolt M6 7 0.7 5.2
Pump bracket bolt
M4 4 0.4 3.0
M5 7 0.7 5.2
Plug — 4 0.4 3.0
Gear pump bolt M5 7 0.7 5.2
Part to be tightened Screw size
Tightening torques
N·m kgf·m ft·lb
Width
across
flats (A)
Screw
size (B)
General torque
specifications
N·m kgf·m ft·lb
8mm
10 mm
12 mm
14 mm
17 mm
M5
M6
M8
M10
M12
5
8
18
36
43
0.5
0.8
1.8
3.6
4.3
3.7
5.9
13.3
26.6
31.7