97
SERVICING YOUR OUTBOARD MOTOR
Propeller Replacement
Before replacing the propeller,
remove the emergency stop switch
clip from the emergency stop switch
to prevent any possibility of the
engine being started while you are
working with the propeller.
The propeller blades may have sharp
edges, so wear heavy gloves to
protect your hands.
Operating the outboard motor at
higher altitudes will reduce available
power. This may require decreasing
the propeller pitch to maintain correct
engine RPM.
Removal
1. Remove the cotter pin, unscrew the
castle nut, remove the spacer
(BFT60A model only), plain
washer, and then remove the
propeller and thrust washer.
2. Inspect the propeller shaft for any
fishing line or debris.
Installation
1. Apply marine grade grease to the
propeller shaft.
2. Install the thrust washer with the
grooved side toward the gear case.
3. Install the propeller.
4. Install the spacer (BFT60A model
only) and plain washer.
5. Lightly tighten the castle nut by
hand or wrench until the propeller
has no free play.
6. Tighten the castle nut using a
torque wrench.
CASTLE NUT TIGHTENING
TORQUE:
0.7 lbf·ft (1 N·m, 0.1 kgf·m)
7. Then, using a torque wrench,
tighten the castle nut until the first
available groove in the castle nut
aligns with the cotter pin hole. Do
not tighten past the first alignment
of the castle nut groove and the
cotter pin hole.
TIGHTENING TORQUE LIMIT:
BFT60A model
25 lbf·ft (35 N·m, 3.5 kgf·m)
BFW60A model
33 lbf·ft (44 N·m, 4.5 kgf·m)
Do not tighten the castle nut above
the TIGHTENING TORQUE LIMIT,
or the propeller and shaft may be
damaged.
31ZZ3T120.book Page 97 Tuesday, November 28, 2017 2:50 PM
