Maintenance
41
TIP:
It is designed to break if the propeller hits a
hard underwater obstacle to help protect the
propeller and drive mechanism. The propeller
will then spin freely on the shaft. If this hap-
pens, the shear pin must be replaced.
EMU30663
Removing propeller
EMU29183
Shear pin models
1.
Straighten the cotter pin and pull it out
using a pair of pliers.
2.
Remove the propeller nut and washer, if
equipped.
WARNING! Do not use your
hand to hold the propeller when loos-
ening the propeller nut.
[EWM01891]
3.
Remove the shear pin and the propeller.
EMU30673
Installing propeller
EMU29224
Shear pin models
NOTICE
ECM00502
Make sure to use a new cotter pin and
bend the ends over securely. Otherwise,
the propeller could come off during oper-
ation and be lost.
1.
Apply Yamaha marine grease or corro-
sion resistant grease to the propeller
shaft.
2.
Insert the shear pin into the hole in the
propeller shaft.
3.
Align the shear pin with the groove in the
propeller boss, and slide the propeller
over the propeller shaft.
4.
Align the hole in the propeller with the re-
cess in the propeller shaft. Insert a new
cotter pin in the hole and bend the cotter
pin ends.
NOTICE:
Do not reuse the
cotter pin. Otherwise, the propeller
can come off during operation.
[ECM01892]
TIP:
There is a holder on the steering handle for
spare shear and cotter pins. Be sure to re-
place a pin in the holder if one is used.
EMU47080
Changing gear oil
WARNING
EWM02351
Be sure the outboard motor is securely
fastened to the transom or a stable stand.
You could be severely injured if the out-
board motor falls on you.
1.
Put the outboard motor in an upright po-
sition (not tilted).
2.
Place a suitable container under the gear
case.
3.
Remove the gear oil drain screw and
gasket.
1. Cotter pin
2. Propeller
3. Shear pin
1. Gear oil drain screw
2. Oil level plug
1
2
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