Maintenance

10.Drain the cooling water completely out of the motor. Clean the body thoroughly.

11.Install the silencer cover/cap and top

cowling.

EMU28402

Lubrication

1.Install the spark plug(s) and torque to proper specification. For information on spark plug installation, see page 48.

2.Change the gear oil. For instructions, see page 51. Inspect the oil for the presence of water that indicates a leaky seal. Seal replacement should be performed by an authorized Yamaha dealer prior to use.

3.Grease all grease fittings. For further de- tails, see page 47.

TIP:

For long-term storage, fogging the engine with oil is recommended. Contact your Yamaha dealer for information about fogging oil and procedures for your engine.

EMU28423

Cleaning and anticorrosion measures

1.Wash down the exterior of the outboard motor with fresh water and dry off com- pletely. NOTICE: Do not spray water into the air intake. [ECM01840]

2.Spray the outboard motor exterior with “Yamaha Silicone Protectant”.

3.Wax the cowling with a non-abrasive wax

such as “Yamaha Silicone Wax”.

EMU28451

Cleaning the outboard motor

After use, wash the exterior of the outboard motor with fresh water. Flush the cooling system with fresh water.

EMU28460

Checking painted surface of motor

Check the motor for scratches, nicks, or flaking paint. Areas with damaged paint are more likely to corrode. If necessary, clean and paint the areas. A touch-up paint is available from your Yamaha dealer.

EMU37081

Periodic maintenance

EWM01981

WARNING

These procedures require mechanical skills, tools, and supplies. If you do not have the proper skills, tools, or supplies to perform a maintenance procedure, have a Yamaha dealer or other qualified mechanic do the work.

The procedures involve disassembling the motor and exposing dangerous parts. To reduce the risk of injury from moving, hot, or electrical parts:

●Turn off the engine and keep engine shut-off cord (lanyard) with you when you perform maintenance unless other- wise specified.

●Allow the engine to cool before handling hot parts or fluids.

●Always completely reassemble the mo- tor before operation.

Maintenance, replacement, or repair of the emission control devices and systems may be performed by any marine engine

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