Finch is right to a point. if you have the proper needle (which the pe-1 is) then when you set idle jetting correctly your mid will be right. I saw that j-madd had mentioned in another post to set the needle by lowering it until the idle just starts to get gamey.start around 48.5mm or so. this is what ive done for years and it works good. if you are rich on bottom it will be smokey,and boggy of idle. the pj you need to set under load. start wide open and lean down.