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Mechanical Ventilation System
Inboard gasoline boats built after July 31st, 1980 must have what type of ventilation system?
Mechanical
must have a mechanical ventilation system (EQ-17)
Mechanical unless your boat was built before July 31, 1980.
Mechanical
Turn on the ventilation system before you start the engine; normally on inboard engines which are in a confined space.
It removes flammable gases
Yes it requires special ventilation system in OR
Gasoline fumes are explosive and serious fire hazard and need to be removed before starting the engine. run the vent system a required length of time (read owners manual) before starting engine.
If you're talking about the type that use fans that start before the motor will start, it's to dispell any gas or petrol fumes that might accumulate in the bilge before any sparks are generated by the starter motor or ignition
noise produced by the ventilation system