2005-2008 Honda ATV TRX500FA/FGA Fourtrax, Rubicon Factory Service Manual, Page 134Get this manual
FUEL SYSTEM Turn the fuel valve OFF and disconnect the fuel hose from the carburetorFUEL HOSE
Remove the two bolts and gearshift lever assembly
GEARSHIFT LEVER ASSEMBLY
BOLTS Unhook the two holder bands from the fuel tank, and remove the two boltsSlide the tank to the backward and disconnect the fuel level sensor 2P (Red) connectorRemove the fuel tankInstall the fuel tank in the reverse order of removal After connecting the fuel hose, turn the fuel valve ON and check that there is no fuel leakFUEL LEVEL SENSOR 2P CONNECTOR FUEL TANK