I HAD RIDDEN THE CAN AM SPYDER ROADSTER FOR APPROXIMATELY 30 MINUTES BEFORE STOPPING AT COSTCO AND FILLING IT UP. NO OVERFILL OR GAS SPILLED. I ROAD APPROX. 2 MILES HOME, PARKED, AND WENT INTO THE HOUSE FOR APPROX. 3 OR 4 MINUTES. I RETURNED TO SPYDER STARTED IT & BACKED UP APPROX. 10 FEET, PULLED FORWARD, BACKED UP AGAIN, STARTED FORWARD OUT OF MY DRIVEWAY. WHEN I TURNED & STARTED FORWARD THERE WAS A SMELL ELECTRICAL WIRE BURNING. I SAW SMOKE COMING FROM THE FRONT OF MY SEAT & CENTRAL PLASTIC PANEL. BEFORE I COULD REACT TO THAT I HAD MOVED FORWARD MAYBE 10 OR 15 FEET. THERE WAS A WHOOSHING SOUND & A LARGE AMOUNT OF SMOKE FROM THE SAME AREA. IT SCARED ME ENOUGH THAT I PANICKED & TRIED STEPPING OFF THE SPYDER AS IT WAS MOVING. I TRIPPED AND STRUCK THE DRIVEWAY ON MY LEFT ARM, SHOULDER AND HEAD. I ROLLED OVER & LOOKED TO SEE WHAT HAPPENED. THE SPYDER HAD CONTINUED FORWARD INTO THE FENCE & TREE AT THE SIDE OF MY DRIVEWAY. THERE WAS A LOT OF SMOKE AND A SMALL FLAME APPROX. A FOOT HIGH AT THE FRONT OF THE SEAT & CENTER PANEL. WHEN THE SPYDER HIT THE TREE THE FLAME JUMPED TO AROUND 3 TO 4 FEET. THE SPYDER HAD RUN OVER MY GARDEN HOSE AND HIT THE WATER LINE SO THAT I COULD NOT GET TO A HOSE OR TURN THE WATER ON. I WAS AFRAID THE GAS TANK WOULD EXPLODE ANY WAY SO I CALLED 911. BY THE TIME THE FIRE DEPARTMENT ARRIVED THE SPYDER WAS APPROXIMATELY 75 % BURNT. THE FIREMAN IN CHARGED STATED HE FELT THE FIRE STARTED ON THE RIGHT SIDE. MY CAN AM SPYDER IS THE 8TH ONE TO BURN UP THIS WAY. ON