Carb Adjustment Question

T

Trevor

Joined
Mar 11, 2002
Messages
884
I was messing with my dwell and timing today and ended up increasing the idle speed of my Cruiser. It's idling at 800 rpm. I tried to reduce the idle with the "idle mixture adjusting screw" according to Haynes, but nothing happened. I can't find the screw they refer to as the "idle speed adjusting screw." In Haynes it is a long, horizontal screw near the base, but my carb doesn't have one. Which screw on these SOR photos is the idle speed screw?

http://www.sor.com/sor/catpict.tam?xax=9264&itemnum%2Ectx=042%2D01J&itemnumdesc%2Ectx=8%2F76%2D8%2F77%20Federal&page%23%2Ectx=042&catpage%2Ectx=cat042%2Etam&pagetitle1%2Ectx=Page%20042&pagetitle2%2Ectx=Carburetion&descriptionpg%2Ectx=Page%20042%20Carburetion
 
IDave

IDave

Joined
Jan 3, 2003
Messages
7,184
Location
McCall, ID
Don't see an idle speed adjust on that carb. I wonder, though, if you have the fast idle screw adjusted too high and it is holding things at the higher speed. IMHO 800 is no big deal anyway. I run mine high, esp in cold weather, to keep it from bogging down with all the accessories on, anyway.
 
Pin_Head

Pin_Head

Joined
Feb 6, 2002
Messages
15,335
Location
OC, CA
The idle speed screw is in the base casting just behind the vertical coiled spring in the center of the first picture. You can just barely see its head on the left side above the primary shaft on the second picture.
 
T

Trevor

Joined
Mar 11, 2002
Messages
884
Thanks Pin Head. I see which screw you're talking about.
 

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