Yamaha F50F Service Manual page 189

6. Install the propeller and propeller nut,
and then tighten the nut finger tight.
Place a block of wood between the anti-
cavitation plate and propeller to keep the
propeller from turning, and then tighten
the nut to the specified torque.
WARNING
• Do not hold the propeller with your
hands when loosening or tightening it.
• Be sure to disconnect the battery leads
from the battery and the clip from the
engine stop lanyard switch.
• Put a block of wood between the anti-
cavitation plate and propeller to keep
the propeller from turning.
NOTE:
If the grooves in the propeller nut 4 do not
align with the cotter pin hole, tighten the nut
until they are aligned.
Propeller nut 4:
34 N·m (3.4 kgf·m, 25.1 ft·lb)
6C13G11
Drive shaft and lower case (FT50, FT60)
7. Fill the gear oil to the correct level.
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