Question about 1990 Suzuki GSX 600 F (Katana)

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Looking for the air fuel mixture screws on carb any help?

Bike is backfiring and smells like its getting to much fuel want to try to adjust air fuel screws

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  • Anonymous Mar 25, 2014

    Air and fuel screw

  • Anonymous Mar 25, 2014

    Air and fuel screw factory settings

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Posted on Apr 09, 2009

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Hi i have a 96 gsx600f it had an air leak but fixed it to some extent. I adjusted the air/fuel screws a bit an u had to rev it slow to build the revs up, once it hit bout 5k revs the throttel responce...


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Sounds like your fuel air mixture is a little rich. Check your plugs, if they are black you are running rich which will cause some of the excess fuel to be burned off in your exhaust. Two common problems with a bikes fuel air mixture is bad plugs, if one does not fire consistently all the time it will leave excess fuel in the combustion chamber. Another would be a clogged air filter keeping the fuel air mixture unbalanced as well.

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