T Mack 1 - FSO
Serious Thumper Alliance Member
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sold 2001 LS650 for a 1986 XLH1100
Posts: 2919
Emmaus,Pa
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Agree with Reelthing. Check the pipe, use a lighter or candle flame to check for leaks. Flame should not get pushed or pulled. In other words, not moved around from gases seeping out, or sucked into the joint from venturi effect (or is it Bernoulli's principle…. ????).
Next adjust low speed screw. Most concern should be given to being centered between the "too lean" or "too rich" points. With a correctly jetted pilot jet, you should be able to get the idle to drop on both sides of the adjustment. Find too lean, then count out to too rich. Do it a couple of times. Then center the adjustment or go slightly rich. Then, adjust in to fully seated while counting turns to see where you're at. If over three turns, rejet. Otherwise you risk the screw falling out since the little spring that keeps tension on the screw so it doesn't move, only goes about that far.
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