operator1 started starboard engine, tried to start port engine several times, smoke started coming from the stern.  operator1 could not locate the flames.  Boat suddenly became engulfed with fire.  subjects got off the boat and called fired dept.  Fire dept. arrived 10 minutes later, put out the fire and removed the boat from the water.  The canvas covers on the sailboat next to operator1's boat was slightly burned.
TARPON SPRINGS                