Hi, i bought an accelarator pump kit on ebay for my GL 500 1982. that fact is that after a couple of minutes after i installed and tried to pump up some gasoline the new diaphragma was shattered (it was OEM top quality replacement)... can anyone tell me how was that possible?? what do i did wrong? and more important WHERE IN THE USA CAN I BUY AN ORIGINAL HONDA ACCELERATOR PUMP KIT??? i will appreacite any help (links)