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My 1991 Suzuki 250 quadrunner 4x4 will not run if the vacum line is hooked up on the carburetor not sure how the vacum system works?

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It sounds to me like there may be a clog of some kind at one end or other end of this vacuum hose. This is what you will have to check. GOOD LUCK FRIEND

Posted on Nov 17, 2014

  • Derek Mess Nov 17, 2014

    The port on the carburetor that sucks air into it I can't blow through tha line would that be the problem

  • dannydoesita Nov 17, 2014

    You may have a small carbon clog where this hose goes. Try gently pushing a peice of wireinto this area and see if you can clean out before you start to disassemble carb. This seems to me to be an emissions port on your carb.


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SOURCE: where do all the hoses go to a suzuki quadrunner carb

There is one supply hose (larger) and a bunch of vent tubes. The vent tubes really don't matter how they are connected as long as they vent. The vents that point vertical - just loop the tube up and then down towards the ground.

Posted on Oct 08, 2009

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