Maintenance
52
gine will be damaged from overheating.
Before starting the engine, be sure to
supply water to the cooling water passag-
es.
CAUTION:
ECM00290
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.
WARNING
EWM00090
●
Do not touch or remove electrical parts
when starting or during operation.
●
Keep hands, hair, and clothes away
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.
EMU28401
Lubrication
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 58.
2.
Change the gear oil. For instructions,
see page 65. 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 58.
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
WARNING
EWM00330
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
fluid as it can cause severe burns or
permanent eye injury.
●
Wear protective eye gear when han-
Summary of Contents for F40
Page 61: ...Maintenance 55 Yamaha genuine parts and accessories are available from your Yamaha dealer ...
Page 83: ...77 Consumer information EMU29811 Important warranty information for U S A and Canada ...
Page 84: ...Consumer information 78 ...
Page 86: ...Consumer information 80 ...
Page 88: ......
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Page 92: ...PLACE POSTAGE HERE ATTN WARRANTY DEPARTMENT Warranty card 04 2 17 03 2 41 PM Page 2 ...