Lower Unit (Counter Rotation Model); Bracket Unit; Ptt Unit; Special Tightening Torque - Yamaha F150B Service Manual

Lower unit (counter rotation model)

Part to be tightened
Gear oil check screw
Gear oil drain screw
Lower case mounting bolt
Trim tab bolt
Propeller nut
Cooling water inlet cover screw
Ring nut
Pinion nut

Bracket unit

Part to be tightened
Neutral switch screw
Shift cut switch screw
Shift bracket bolt
Shift rod detent bolt
Grease nipple
Hose joint adapter screw
Upper mounting nut
Lower mounting nut
Upper mount bracket bolt
Baffle plate screw
Oil pan assembly bolt
Engine oil drain bolt
Oil strainer bolt
Oil pan bolt
Exhaust manifold bolt
Muffler bolt
Self-locking nut
Grease nipple
Trim stopper nut

PTT unit

Part to be tightened
Lower mounting shaft bolt
Reservoir mounting bolt
Reservoir cap
PTT motor mounting bolt
Gear pump cover bolt
Gear pump housing mounting bolt

Special tightening torque

Tightening torques
Thread size
N·m
— 9
— 9
M10 47
M10 42
— 54
M5 5
— 143
— 94
Tightening torques
Thread size
N·m
M4 2.5
M4 2.5
— 19
— 18
— 1
ø6 3
— 72
— 72
M10 54
M6 4
M8 20
M10 42
— 27
M6 11
M8 20
M8 20
M8 20
— 15
— 3
— 48
Tightening torques
Thread size
N·m
M10 39
M6 5
— 0.7
M6 5
M5 6
M8 8
kgf·m ft·lb
0.9 6.6
0.9 6.6
4.7 34.7
4.2 31.0
5.4 39.8
0.5 3.7
14.3 105.5
9.4 69.3
kgf·m ft·lb
0.25 1.84
0.25 1.84
1.9 14.0
1.8 13.3
0.1 0.7
0.3 2.2
7.2 53.1
7.2 53.1
5.4 39.8
0.4 3.0
2.0 14.8
4.2 31.0
2.7 19.9
1.1 8.1
2.0 14.8
2.0 14.8
2.0 14.8
1.5 11.1
0.3 2.2
4.8 35.4
kgf·m ft·lb
3.9 28.8
0.5 3.7
0.07 0.5
0.5 3.7
0.6 4.4
0.8 5.9
1-20
0
1
2
3
4
5
6
7
8
9
10
A