Yamaha F150A, Service Manual

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8-30
Drive shaft and lower case (regular rotation model)
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3
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7
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9
10
A
9. Place a block of wood between the anti-
cavitation plate and the propeller to pre-
vent the propeller from turning, and then
tighten the propeller nut to the specified
torque.
10. Install a new cotter pin “1”.
TIP:
If the slots in the propeller nut “2” are not
aligned with the cotter pin hole, tighten the
propeller nut until they are aligned.
11. Fill the lower unit with gear oil up to the
proper level. See steps 5–9 in “Changing
the gear oil” (10-11).
Installing the lower unit (X-transom
model)
• Make sure to disconnect the battery
cables from the battery, and remove the
clip from the engine shut-off switch.
• When installing the lower unit with the
power unit installed, make sure to sus-
pend the outboard motor. Otherwise, the
outboard motor could fall suddenly and
result in severe injuries.
• When loosening or tightening the pro-
peller nut, do not hold the propeller
using your hands.
1. Check that the shift rod is in the N posi-
tion. See steps 1 and 2 in “Installing the
lower unit (L-transom model)” (8-29).
2. Install new O-rings “1” to the hose nip-
ples “2”, and then install the hose nipples
“2” to the lower unit “3” and extension “4”.
3. Install the dowels “5” into the lower unit
“3” and extension “4”.
4. Install the water pipe “6” to the water
pump.
5. Install the seals “7” and covers “8” to the
water pipe “9”.
6. Install the water pipe “9”, extension “4”,
and lower unit “3”, and then tighten the
lower case mounting bolts “10” and “11”
to the specified torque.
Propeller nut:
55 N·m (5.5 kgf·m, 40.6 ft·lb)
1
2