Checking Painted Surface Of Outboard Motor; Periodic Maintenance; Replacement Parts; Severe Operating Conditions - Yamaha F9.9F Owner's Manual

Maintenance
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Checking painted surface of outboard
motor
Check the outboard motor for scratches,
nicks, or flaking 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.
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Periodic maintenance

EWM01942
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 mechan-
ic 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)
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and engine shut-off cord (lanyard) with
you when you perform maintenance un-
less otherwise specified.
The power tilt switch operate even when
G
the ignition key is off. Keep people away
from the switches whenever working
around the motor. When the motor is tilt-
ed, keep away from the area under it or
56
between it and the clamp bracket. Be
sure no one is in this area before operat-
ing the power tilt mechanism.
Allow the engine to cool before handling
G
hot parts or fluids.
Always completely reassemble the mo-
G
tor before operation.
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Replacement parts

If replacement parts are necessary, use only
genuine Yamaha parts or parts of equivalent
design and quality. Any part of inferior quality
may malfunction, and the resulting loss of
control could endanger the operator and pas-
sengers. Yamaha genuine parts and acces-
sories are available from your Yamaha
dealer.
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Severe operating conditions

Severe operating conditions involve one or
more of the following types of operation on a
regular basis:
Operating continuously at or near maxi-
G
mum engine speed (rpm) for many hours
Operating continuously at a low engine
G
speed (rpm) for many hours
Operating without sufficient time for engine
G
to warm up and cool down
Frequent quick acceleration and decelera-
G
tion
Frequent shifting
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Frequently starting and stopping the en-
G
gine(s)
Operation that fluctuates often between
G
light and heavy cargo loads
Outboard motors operating under any of
these above conditions require more frequent
maintenance. Yamaha recommends that you
do this service twice as often as specified in
the maintenance chart. For example, if a par-
ticular service should be done at 50 hours, do