View Full Version : pilot screw
foxrider1
08-17-2006, 09:21 PM
ok i am confused on the pilot screw and the air/fuel screw. i have a 42 pilot screw and i turned it in the whole way. But my air/fuel is turned out 2. Are you suposed the turn out the pilot screw too?
GPracer2500
08-17-2006, 10:01 PM
Yes, you are confused. The "pilot screw" and the "air/fuel screw" are the same thing. Actually, a carb either has an air screw or a fuel screw--they are different versions of the same basic device.
THIS (http://www.exriders.com/vbb/showthread.php?s=&threadid=229923) should help.
400exrider707
08-17-2006, 10:27 PM
Well dont confuse this with your pilot jet, which definitely needs to be screwed in until firmly seated.
foxrider1
08-17-2006, 10:42 PM
yea that is all i needed to know if the pilot screw is to be seated firmly Thanks!
-copyguy-
08-18-2006, 06:08 AM
what you're calling a 42 pilot screw is a 42 pilot JET. And yes, it needs to be screwed in all the way.
rooster300ex
08-18-2006, 11:27 AM
Originally posted by foxrider1
yea that is all i needed to know if the pilot screw is to be seated firmly Thanks!
I think this feller is confused.
this should help
http://www.duncanracing.com/techfaq/Tech_keihin-carburetion-jetting.phtml
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