Operator and his wife were in the process of docking, unloading gear and fueling the vessel.  The operator tried to start the engine while his wife was casting lines.  The engine sputtered and stalled.  He tried to restart it but the motor blew up and ignited.  He jumped off the vessel and ran down the gangway.  No injuries but entire loss of vessel.  Operator just  had work done on the carburettor.
Marblehead                    