New guy here.hope u experienced mechs.can help.i replaced hub on hh 150 gts.tapped it on as far as it will go,but rotor not butting up flush with hub as it should to bolt up.i also noticed when brake pedal is pressed,it wont go down.i know little bout brakes,but was wondering if possibly a problem occured in hydrolic line,maybe pushing pad too far,not allowing disc that extra 1/4" i need to bolt to hub.can someone please educate me,thanks.