RedactedNarrative: VESSEL #1 WAS TRAVELLING WESTBOUND ON BISCAYNE BAY, PARALLEL TO AND SOUTH OF THE VENETIAN CSWY. THE OCCUPANTS OF THE VESSEL OBSERVED SMOKE COMING FROM THE ENGINE COMPARTMENT. Operator THEN CALLED 911, THEN THE RENTAL COMPANY AND WERE ABLE TO TRANSFER TO THE VESSEL OF A PASSING BOAT UNTIL HELP ARRIVED.   
  
  I ARRIVED AT APPROXIMATELY THE SAME TIME AS THE REPRESENTATIVE OF THE COMPANY AND WERE ABLE TO SUPRESS THE FIRE. MIAMI FIREBOAT 1 ARRIVED A SHORT TIME LATER AND COMPLETED EXTINGUISHING THE FIRE. THE FIRE DID NOT SPREAD FROM THE ENGINE COMPARTMENT. NO PERSONS WERE INJURED IN THIS INCIDENT. EXHAUST LEAK OVERHEAT WIRING ETC.