Dave
YaBB Moderator ModSquad
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SuzukiSavage.com Rocks!
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Camp Springs, Kentucky
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For the stock carb on the S40/LS650 the holes don't do anything. A #50 with holes works just like a #50 without holes.
For carbs like the Mikuni VM36 the holes allow air to enter and change the idle fuel/air mix. When you turn the idle air screw on the VM36 it controls how much air can enter these bleed holes.
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