5-334. Flame arrestor
All watercraft using gasoline as fuel, except outboard motors, shall attach to the
carburetor or carburetors a backfire flame arrestor that is approved for marine use and
suitably secured to the air intake with flame tight connections, or any attachment to the
carburetor or the engine air induction system by means of which flames caused by engine
backfire will be dispersed to the atmosphere outside the watercraft in such a manner that
the flames will not endanger the watercraft, persons on board or nearby watercraft and
structures. All attachments shall be of a metallic construction with flame tight
connections and firmly secured to withstand vibration, shock and engine backfire.
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