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#1
09-11-2008, 06:23 PM
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Holley carb 75021-1
I have a carb with part number 75021-1, but holley doesn't have it listed. It is a marine carb and everything I read it is equivelant or is a 4150 600cfm. I can not get the idle to where it needs to be. I backed the idle screw all the way out and had the throttle cable disconnected but it seems the throttle will only go back so far. If I look behind the springs I can see an orange plastic piece and a black. The black looks to be holding it from moving any more. I looked on the forum and could not find what I was looking for.
Can anyone help? Brian 
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#2
09-11-2008, 06:39 PM
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Try this link. This guy has a similar problem with the same carb and there are diagrams and pictures. Might help.
http://forums.iboats.com/showthread.php?p=1630696 Last edited by PointTaken; 09-14-2008 at 09:32 PM.
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