my name is brandon have a 600 f3 1998 i just had to replace the fuel pump because it died purchased brand new one installed it with a brand new fuel filter and 2new lines from tank to filter and from filter to pump, bike accelerates great up to about 8000 rpm then starts spitting and sputtering and does it when im moveing not while reving it in neutral.. please let me know if u have any ideas?????