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Unread 05-04-2011, 10:29 AM   #1
masonz
Registered User
1989 YJ Wrangler 
 
Join Date: Oct 2010
Location: pinedale
Posts: 50
which idle speed screw on weber to turn?

just installed a new weber 32/34 on my 89. Im trying to set the idle to the specs that ive found on the forums. My question is, there are two idle set screws on the carb, which one is the 2 turns out when adjusting?

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Unread 05-04-2011, 12:50 PM   #2
jstang
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1988 YJ Wrangler 
 
Join Date: Mar 2011
Location: southington, ct
Posts: 39
The one on the rear of the carb, the one on pass side is your high idle.
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Unread 05-04-2011, 04:44 PM   #3
mcmud
Web Wheeler
1983 CJ8 
 
Join Date: May 2008
Location: N.E. Alabama
Posts: 2,650
Without a more specific identification of the carb it is rather hard to pinpoint the locations of the screws.

Generally speaking the screw that controls the throttle plate position at curb idle is most often referred to as the idle speed screw. Its tip will make contact onto the linkage.

Then there is at least one idle mix screw, threaded into the body of the carb and it controls the fuel flow needed to support a steady curb idle.

And then the fast idle speed screw is most often located behind the choke assembly.
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