LANCER
Serious Thumper Alliance Member
Offline
Savage Beast Performance Parts
Posts: 10673
Oklahoma
Gender:
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The little puff of black smoke just off idle is from a momentary slightly rich condition, but this is from the pilot circuit, not the midrange, so don't try to correct this with the white spacer on the needle. This is corrected with the pilot adjusting screw/& or jet. Go ahead and get the sportster muffler...you will like the result, after you rejet again of course.
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