Lubrication; Cleaning And Anticorrosion Measures; Cleaning The Outboard Motor; Checking Painted Surface Of Motor - Yamaha 25 Owner's Manual

almost stall.
9. Remove the outboard motor from the
test tank.
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 60.
2. Change the gear oil. For instructions,
see page 63. Inspect the oil for the pres-
ence 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 60.
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.
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.
[ECM01840]
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 avail-
able from your Yamaha dealer.
EMU37160

Periodic maintenance

EWM02010
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 the key(s)
G
and engine shut-off cord (lanyard) with
you when you perform maintenance
unless otherwise specified.
Allow the engine to cool before han-
G
dling hot parts or fluids.
Always completely reassemble the mo-
G
tor before operation.
Maintenance, replacement, or repair of
the emission control devices and sys-
Maintenance
ZMU02871
55