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gine will be damaged from overheating.
Before starting the engine, be sure to
supply water to the cooling water passag-
es.
ECM00290
CAUTION:
If the fresh water level is below the level
of the anti-cavitation plate, or if the water
supply is insufficient, engine seizure may
occur.
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.
EWM00090
WARNING
Do not touch or remove electrical parts
G
when starting or during operation.
Keep hands, hair, and clothes away
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from the flywheel and other rotating
parts while the engine is running.
7.
Run the engine at a fast idle for 10–15
minutes in neutral position.
8.
Just prior to turning off the engine, quick-
ly spray "Yamaha Stor-Rite Engine
Fogging Oil" (Part No. LUB-STRRT-12-
00) alternately into each carburetor or
the fogging hole of the silencer cover, if
equipped. When properly done, the en-
gine will smoke excessively and 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.
EMU28400
Lubrication (except oil injection
models)
1.
Grease the spark plug threads and in-
stall the spark plug(s) and torque to
proper specification. For information on
spark plug installation, see page 53.
2.
Change the gear oil. For instructions,
see page 60. 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 53.
EMU28421
Cleaning and anticorrosion
measures
1.
Wash down the exterior of the outboard
motor with fresh water and dry off com-
pletely.
2.
Spray the outboard motor exterior with
"Yamaha Silicone Protectant" (Part No.
LUB-SILCNE-13-00).
3.
Wax the cowling with a non-abrasive
wax such as "Yamaha Silicone Wax"
(Part No. ACC-11000-15-02).
EMU28430
Battery care
EWM00330
WARNING
Battery electrolytic fluid is dangerous; it
contains sulfuric acid and therefore is
poisonous and highly caustic.
Always follow these preventive mea-
sures:
Avoid bodily contact with electrolytic
G
fluid as it can cause severe burns or
permanent eye injury.
Wear protective eye gear when han-
G
Maintenance
48
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