RedactedNarrative: Owner instructed operator to turn blowers on and did for at least three minutes.  Operator tried starting the boat three times until it turned over and stayed running.  Operator heard a "pop" and saw dark smoke coming from engine compartment.  Operator tried to get fire extinguisher.  Owner yelled at operator from shore to just get off the boat.  Operator jumped into the water and swam to shore unharmed.  Within minutes the boat was fully engulfed by flames.  The boat drifted until the fire department was able to reach the boat with their hoses and extinguish the fire.  With the fire nearly out the boat was secured by the fire department and extinguished completely.  No other property was damaged.  The boat was towed to the boat landing, loaded onto the trailer attached to the Wardens squad and removed from the lake to avoid any pollution or potential boat sinking.  Once the boat out of the lake Wenningers Towing pumped the liquid and fuel out of the boat and into a safe container for transport.  Warden and two Waushara Co Sheriffs Deputies were able to look at and document the damage more closely.