How to adjust carburator on Mercruiser J1223 carb

M

Mlangenbach

Recruit
Joined
May 31, 2012
Messages
5
I have a 2007 Mercruiser with the 4 cylinder motor. It idles rough. I need to know how to taker off the idle adjusting screw cover so I can smooth out the idle. The cover is a spring loaded that needs to be removed before you can adjust.There is only 1 adjusting area on this 2 barrel carb.

Thanks
Mike
 
Don S

Don S

Honorary Moderator Emeritus
Joined
Aug 31, 2004
Messages
62,321
Re: How to adjust carburator on Mercruiser J1223 carb

You need the special tool shown below. About $3.50

PS: That J1223 is not a carb part number, it is the SAE Spec. manufacturers of marine carbs must pass to certify the carb will meet standards CLICK HERE



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