Maintenance
fuel system. Consult your Yamaha dealer or
other qualified mechanic if the fuel system is
to be drained instead.
minutes in neutral position.
8.
Just prior to turning off the engine, quick-
ly spray “Yamaha Stor-Rite Engine
Fogging Oil” alternately into each carbu-
retor or the fogging hole of the silencer
cover, if equipped. When properly done,
the engine will smoke excessively and
almost stall.
3.
Remove the engine top cowling and si-
lencer cover.
4.
Install the outboard motor on the test
tank.
9.
Remove the outboard motor from the
test tank.
1
2
10.
11.
Drain the cooling water completely out
of the motor. Clean the body thoroughly.
Install the silencer cover/cap and top
cowling.
EMU28411
Lubrication (oil injection models)
ZMU02051
1.
Install the spark plug(s) and torque to
proper specification. For information on
spark plug installation, see page 62.
Fill the oil tanks. This prevents the for-
mation of condensation. For models with
a remote oil tank, it may be necessary to
manually override the control unit to
completely fill the engine oil tank.
Change the gear oil. For instructions,
see page 66. Inspect the oil for the pres-
ence of water which indicates a leaky
seal. Seal replacement should be per-
formed by an authorized Yamaha dealer
prior to use.
1.
2.
Water surface
Lowest water level
2.
5.
Fill the tank with fresh water to above the
level
of
the
anti-cavitation
plate.
NOTICE: If the fresh water level is be-
low the level of the anti-cavitation
plate, or if the water supply is insuffi-
cient, engine seizure may occur.
[ECM00291]
3.
4.
6.
Cooling system flushing is essential to
prevent the cooling system from clog-
ging up with salt, sand, or dirt. In addi-
tion, fogging of the engine is mandatory
to prevent excessive engine damage
due to rust. Perform the flushing and
fogging at the same time. WARNING!
Grease all grease fittings. For further de-
tails, see page 62.
TIP:
For long-term storage, fogging the engine
Do not touch or remove electrical with oil is recommended. Contact your
parts when starting or during opera- Yamaha dealer for information about fogging
tion. Keep hands, hair, and clothes oil and procedures for your engine.
away from the flywheel and other ro-
tating parts while the engine is run-
EMU28451
Cleaning the outboard motor
After use, wash the exterior of the outboard
motor with fresh water. Flush the cooling
ning.
[EWM00091]
7.
Run the engine at a fast idle for 10–15
56
| Categories | Marine, Yamaha Outboard Manuals |
|---|---|
| Document Type | Boat Motor Manual Free Download. Marine Operator's Boating Guide. |
| Tags | Yamaha 50 |
| Model Year | 2007 |
| Download File |
|
| Language | English |
| Product Brand | Yamaha Motor. Yamaha Motor Corporation, USA - Support Customer Relations for US: 1-800-962-7926
Yamaha Boats: 1-800-962-7926 Yamaha Outboard Customer Relations: 1-866-894-1626 , Yamaha Outboard |
| Document File Type | |
| Publisher | yamaha-motor.com |
| Wikipedia's Page | Yamaha Motor Company |
| Copyright | Attribution Non-commercial |
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