RedactedNarrative: Operator of watercraft fueled at marina and drove through the No-Wake zone to the south. The operator attempted to throttle up when the engine backfired and started on fire. All five occupants on board were able to escape the burning boat. Two with minor burns were treated by ambulance at the scene and later went to the ER. The boat burned to the waterline and is a total loss. Life jackets were being worn.