Lubrication (Except Oil Injection Models); Cleaning The Outboard Motor; Checking Painted Surface Of Motor; Periodic Maintenance - Yamaha 4AC Owner's Manual

13. If "Fogging Oil" is not available, remove
the spark plug(s). Pour a teaspoonful of
clean engine oil into each cylinder. Crank
several times manually. Replace the
spark plug(s).
14. Drain the fuel from both the built-in and
portable fuel tanks, on equipped models.
NOTE:
Portable fuel tank equipped models: Store the
portable fuel tank in a dry, well-ventilated
place, not in direct sunlight.
EMU28400
Lubrication (except oil injection mod-
els)
1. Grease the spark plug threads and install
the spark plug(s) and torque to proper
specification. For information on spark
plug installation, see page 34.
2. Change the gear oil. For instructions, see
page 38. 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 34.
EMU28450

Cleaning the outboard motor

After use, wash the exterior of the outboard
motor with fresh water. Flush the cooling sys-
tem with fresh water.
NOTE:
For cooling system flushing instructions, see
page 30.
EMU28460

Checking painted surface of motor

Check the motor for scratches, nicks, or flak-
ing 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.
EMU28476

Periodic maintenance

EWM01070
WARNING
Be sure to turn off the engine when you
perform maintenance unless otherwise
specified. If you or the owner is not famil-
iar with machine servicing, this work
should be done by your Yamaha dealer or
other qualified mechanic.
EMU28510

Replacement parts

If replacement parts are necessary, use only
genuine Yamaha parts or parts of the same
type and of equivalent strength and materials.
Any part of inferior quality may malfunction,
and the resulting loss of control could endan-
ger the operator and passengers. Yamaha
genuine parts and accessories are available
from your Yamaha dealer.
Maintenance
32