Yamaha F300B - Installing the Power Unit

7-10
Power unit assembly
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A
Installing the power unit
1. Clean the power unit mating surface, and
then install the dowels a and a new gas-
ket b. NOTICE: Do not reuse a gas-
ket, always replace it with a new one.
2. Install the special service tools c and d.
3. Hook a lifting harness e onto the special
service tools c and d, and then
suspend the power unit f.
4. Install the power unit f, and then tighten
the power unit mounting bolts g and h
to the specified torque in 2 stages.
TIP:
Tighten the power unit mounting bolts to the
same torque in both stages.
5. Install the grommet i, idle silencer j,
and rubber seal k.
6. Install the aprons l and m, and then
tighten the apron screws n to the
specified torque.
Engine lifting eye w: 90890-06820
Balance hanger x: 90890-06822
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z
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Engine lifting eye c: 90890-06820
Balance hanger d: 90890-06822
Power unit mounting bolts g and h:
1st: 42 N·m (4.2 kgf·m, 31.0 ft·lb)
2nd: 42 N·m (4.2 kgf·m, 31.0 ft·lb)
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