Operation; First-Time Operation; Breaking In Engine; Getting To Know Your Boat - Yamaha 6C Owner's Manual
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Also See for 6C:
- Owner's manual (64 pages) ,
- Owner's manual (64 pages) ,
- Owner's manual (186 pages)
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Operation
EMU36381
First-time operation
EMU30174
Breaking in engine
Your new engine requires a period of break-
in to allow mating surfaces of moving parts to
wear in evenly. Correct break-in will help en-
sure proper performance and longer engine
life. NOTICE: Failure to follow the break-in
procedure could result in reduced engine
life or even severe engine damage.
EMU27060
Gasoline and engine oil mixing chart
(50:1)
1.
: Gasoline
2.
: Engine oil
ECM00150
NOTICE
Be sure to mix gasoline and oil complete-
ly, otherwise the engine may be dam-
aged.
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Procedure for pre-mixed models
Run the engine under load (in gear with a
propeller installed) for 10 hours as follows.
1.
First 10 minutes:
Run the engine at the lowest possible
speed. A fast idle in neutral is best.
2.
Next 50 minutes:
Do not exceed half throttle (approxi-
mately 3000 r/min). Vary engine speed
occasionally. If you have an easy-plan-
ing boat, accelerate at full throttle onto
21
plane, then immediately reduce the
throttle to 3000 r/min or less.
3.
Next two hours:
Accelerate at full throttle onto plane,
then reduce engine speed to three-quar-
ter throttle (approximately 4000 r/min).
Vary engine speed occasionally. Run at
full throttle for one minute, then allow
about 10 minutes of operation at three-
quarter throttle or less to let the engine
[ECM00801]
cool.
4.
Remaining seven hours:
Run the engine at any speed. However,
avoid operating at full throttle for more
than 5 minutes at a time.
5.
After the first 10 hours:
Operate the engine normally. Use the
standard premix ratio of gasoline and oil.
For details on mixing fuel and oil, see
page 23.
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Getting to know your boat
Different boats handle differently. Operate
cautiously while you learn how your boat
handles under different conditions and with
different trim angles (see page 31).
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Checks before starting engine
EWM01921
WARNING
If any item in "Checks before starting en-
gine" is not working properly, have it in-
spected and repaired before operating
the outboard motor. Otherwise, an acci-
dent could occur.
ECM00120
NOTICE
Do not start the engine out of water. Over-
heating and serious engine damage can
occur.
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