BIKE WAS PARKED IN MY GARAGE NEXT TO ANOTHER 7 MOTORCYCLES AND SUDDENLY WITH NO KEY IN, AN ELECTRICAL PART CALLED SPU START BURNING AND IN THE WHOLE GARAGE WAS A WHITE SMOKE CLOUD WITH A STRONG ODOR. AFTER CHECKING WHERE THE SMOKE CAME, I DISCOVERED THAT WAS UNDER THE GAS TANK, IMMEDIATELY I DISCONNECTED THE BATTERY AND WHEN I CHECKED THE FUSE BOX, THE FUSE BOX WAS EXTREMELY HOT AND THE GAS TANK WAS BURNING. THE ODOR WAS KILLING ME. THANKS GOD WE WERE HOME, BECAUSE THE OTHER 7 MOTORCYCLES AND 10 GALLONS OF RACE FUEL, COULD BE CATASTROPHIC.