Engine Operation - Yanmar 4BY2 Operation Manuals

ENGINE OPERATION

WARNING
Fire and Explosion Hazard
Avoid serious personal injury.
NEVER jump-start the
engine. Sparks caused by
shorting the battery to the
starter terminals may cause a
fire or explosion. ONLY use the key switch
to start the engine.
Sudden Movement Hazard
Be sure the boat is in open water away from
other boats, docks or other obstructions
before increasing rpm. Avoid unexpected
equipment movement. Shift the marine gear
into the NEUTRAL position any time the
engine is at idle.
To prevent accidental equipment
movement, NEVER start the engine in gear.
Sever Hazard
Keep children and pets away
while the engine is operating.
BY Series Operation Manual
combustion engines create carbon
monoxide gas during operation and special
precautions are required to avoid carbon
monoxide poisioning.
© 2008 Yanmar Marine International
Exhaust Hazard
Avoid serious injury or death.
NEVER block windows, vents
or other means of ventilation if
the engine is operating in an
enclosed area. All internal
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