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Operation; Safe Operating Precautions; Break-In Procedure - Honda Marine BF115D Owner's Manual

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To safely realize the full potential of
this outboard motor, you need a
complete understanding of its
operation and a certain amount of
practice with its controls.
Before operating the outboard motor
for the first time, please review the
on page
chapter titled
For your safety, do not start or run
the engine in a confined or partly
enclosed area. Your engine's exhaust
contains poisonous carbon monoxide,
a colorless, odorless gas that can
collect rapidly. Breathing carbon
monoxide can cause loss of
consciousness and may lead to death.


Break-in period: 10 hours
Proper break-in operation allows the
moving parts to wear in smoothly for
best performance and long service
life. Avoid continuous operation at a
steady speed.
First 15 minutes:
Run the engine at trolling speed. Use
and the
the minimum throttle opening
necessary to operate the boat at a safe
trolling speed.
Next 45 minutes:
Run the engine up to a maximum of
2,000 to 3,000 rpm, which is about
10% to 30% of maximum throttle
opening. Operating at maximum
2,000 3,000 rpm should be limited
to 50% of the 45 minutes.


Next 60 minutes:
Run the engine up to a maximum of
4,000 to 5,000 rpm, which is about
50% to 80% of maximum throttle
opening. Operating at maximum
4,000 5,000 rpm should be limited
to 50% of the 60 minutes.
30-second full-throttle bursts are OK,
but do not operate the engine
continuously at full throttle.
For boats that plane easily, bring the
boat up on plane, and then reduce the
throttle opening to the recommended
rpm range.
Next 8 hours:
Do not run the engine at full throttle
for more than 5 minutes at a time.


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