THE FLT ORIGINATED AT HAYWARD, CA, WITH A STOP AT SAN CARLOS, CA AND CORNING, CA. THE PLT'S DESTINATION WAS THE RED BLUFF ARPT (RBL). THE PLT REPORTED THAT WHEN HE DEPARTED HAYWARD BOTH MAIN FUEL TANKS WERE FULL. HE FLEW TO SAN CARLOS WHERE HE PICKED UP THREE PAX AND THEN FLEW TO CORNING. THE PLT STATED THAT HE FLEW FOR A TOTAL OF 1.2 HOURS BEFORE LANDING AT CORNING. THE PLT STATED THAT HE DID NOT VISUALLY CHECK THE FUEL TANKS PRIOR TO DEARTURE FROM CORNING. THE PLTTOOKOFF USING THE RIGHT MAIN FUEL TANK. THE ENGINE LOST POWER JUST AFTER TAKEOFF AND THE ACFT CRASHED. EXAM OF THE FUEL TANKS DISCLOSED NO EVIDENCE OF FUEL IN THE RIGHT MAIN FUEL TANK. THERE WERE ABOUT 14 GALS FOUND IN THE LEFT MAIN TANK AND ABOUT 5 GALS IN THE LEFT AUX TANK. AT THE TIME OF THE EXAM THERE WAS NO EVIDENCE OF FUEL LEAKAGE OF THE FUEL TANKS OR IN THE ENG AREA. IF THE RIGHT MAIN TANK IS SELECTED, THE AMOUNT OF FUEL BURNED IN ADDITION TO THE FUEL USED BY THE FUEL INJECTION SYST (ABOUT 10 GPH) WILL BE REMOVED FROM RGHT TNK. THE EXCESS FUEL WILL BE RET TO THE LFT MAIN TANK ONLY.