Propeller Replacement

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 washer, and then remove the propeller and thrust washer.

2.Inspect the propeller shaft for any fishing line or debris.

80 Installation

Some propeller brands require specific mounting hardware. Refer to your specific propeller manufacturer’s instructions for proper 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 washer as shown on the next page.

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 (1.0 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: 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.

8.Be sure to replace the cotter pin with a new one.

•Use a TOHATSU Genuine stainless steel cotter pin or equivalent cotter pin and bend the pin ends as shown on next page.