Re: Jet Size? Could This be Right?

mobat50 /
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im leaving it where its at i think. i tried up jetting and lost alot of performance. almost 4mph top end. i went to put my 70 jet back in and i dropped it and it fell through a crack in my driveway!. oh well better get on treats and order one.

why is there such a big differnece in jetting between a 14mm bing and a 15mm bing? is it the jet holder and needle they use? i cant see it being much of a differnece in 1mm .

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