Maintenance

8.Put a new gasket on the oil level plug. When the gear oil begins to flow out of the oil level plug hole, insert and tighten the oil level plug to the specified torque.

Tightening torque:

9.0Nm (0.92 kgf-m, 6.6 ft-lb)

9.Put a new gasket on the gear oil drain screw. Insert and tighten the gear oil drain screw to the specified torque.

Tightening torque:

9.0Nm (0.92 kgf-m, 6.6 ft-lb)

10.Install the cooling water inlet covers on both sides of the gear case, and then tighten the bolt to the specified torque.

Tightening torque:

2.0 Nm (0.20 kgf-m, 1.5 ft-lb)

EMU41133

Inspecting and replacing anodes

Yamaha outboard motors are protected from corrosion by sacrificial anodes. Inspect the external anodes periodically. Remove scales from the surfaces of the anodes. Consult a Yamaha dealer for replacement of external anodes.

ECM00720

NOTICE

Do not paint anodes, as this would render them ineffective.

TIP:

Consult a Yamaha dealer for inspecting and replacement of internal anodes attached to the engine.

1

ZMU06959

1. Anode

EMU41102

Inspecting the battery

EWM01902

WARNING

Battery electrolyte is poisonous and caus- tic, and batteries generate explosive hydrogen gas. When working near the battery:

●Wear protective eye gear and rubber gloves.

●Do not smoke or bring any other source of ignition near the battery.

The procedure for inspecting the battery varies for different batteries. This procedure contains typical inspections that apply to many batteries, but you should always refer to the battery manufacturer’s instructions.

ECM01920

NOTICE

A poorly maintained battery will quickly deteriorate.

1.Check the electrolyte level.

80