Old 11-20-2011, 02:01 AM
  #4  
TopspeedLowet
Senior Member
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Join Date: Apr 2008
Posts: 504
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Hi Mark, I think that your adjustment with 1/2 turn out is probably correct with this carb. The internal passages in your carb are likely modified for competition in the idle circuit and will deliver the fuel you need without opening the adjusters beyond one turn. You are correct in the logic that a larger air bleed will require more opening on the adjusters but when modified, over sizing the bleeds will end up in poor performance.
Mark, when you get fresh fuel this spring and get warmer temps again you may find that your adjustment may be 1/4 turn greater than you have now. I always check them from time to time when ever I cleaned the carb or bought new fuel to be sure that the adjustment is ideal.
Bruce
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