Removing The Propeller; Installing The Propeller; Changing Gear Oil - Yamaha 20D Owner's Manual

Maintenance
EMU30660

Removing the propeller

EMU29194
Spline models
1. Straighten the cotter pin and pull it out
using a pair of pliers.
2. Remove the propeller nut, washer, and
spacer (if equipped).
1. Cotter pin
2. Propeller nut
3. Washer
4. Spacer
5. Propeller
6. Thrust washer
3. Remove the propeller and thrust wash-
er.
EMU30670

Installing the Propeller

EMU29231
Spline models
ECM00340
CAUTION:
Be sure to install the thrust washer be-
G
fore installing the propeller, otherwise
the lower case and propeller boss
could be damaged.
Be sure to use a new cotter pin and
G
bend the ends over securely. Otherwise
the propeller could come off during op-
eration and be lost.
1. Apply Yamaha marine grease or a cor-
51
1
2
3
4
5
6
ZMU02829
rosion resistant grease to the propeller
shaft.
2. Install the spacer (if equipped), thrust
washer, and propeller on the propeller
shaft.
3. Install the spacer (if equipped) and the
washer. Tighten the propeller nut to the
specified torque.
4. Align the propeller nut with the propeller
shaft hole. Insert a new cotter pin in the
hole and bend the cotter pin ends.
NOTE:
If the propeller nut does not align with the
propeller shaft hole after tightening to the
specified torque, tighten the nut further to
align it with the hole.
EMU29281

Changing gear oil

EWM00800
WARNING
Be sure the outboard motor is securely
G
fastened to the transom or a stable
stand. You could be severely injured if
the outboard motor falls on you.
Never get under the lower unit while it
G
is tilted, even when the tilt support lever
or knob is locked. Severe injury could
occur if the outboard motor accidental-
ly falls.
1. Tilt the outboard motor so that the gear
ZMU02063