RedactedNarrative: At approximately 09:42am, operator started the motor of his vessel causing it to explode in flames and eject the cowling from the motor. operator was able to use the fire extinguisher on board to extinguish the flames. operator and his passenger were not injured, and they were able to use the trolling motor to idle to the Lock 7 boat ramp where they loaded it onto the trailer. The damage was confined to the motor and is estimated at about $10,000.00.