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A Friend of mine just made this post and it makes CLEAR and PERFECT Sense!!!!! Ive always written a paragraph on it but this pretty much Sums it up in a nut shell.....Hope this helps

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Tuning tips:

1. Motor sputters when running rich.

2. Motor hesitates, bogs, or backfires when running lean.

If rich at idle to 1/4 throttle, go 1 size smaller on pilot jet. If lean at idle to 1/4 throttle, go 1 size larger on pilot. Use adjuster screw to fine tune. If rich at 1/4 to 3/4 throttle, move clip position up 1 groove on needle. If lean at 1/4 to 3/4 throttle, move clip position down 1 groove on needle. If rich at 3/4 to full throttle, go 1 size smaller on main jet. If lean at 3/4 to full throttle, go 1 size larger on main jet.

While tuning it is best to change one item at a time to focus in on variables and fine tune.

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