Greg;

Jets of both carbs should drop about 1/4" at full Choke Control pull...if one doesn't, just loosen the screw where its cable is secured (Philips screw here) and adjust it in small increments until they are...as long as Fast Idle Screw, riding on Fast Idle Cam is NOT moving Throttle, you can adjust it to where it needs to be at rest, to give desired action when actuating control...when you pull control, Fast Idle Cam rotates, FIScrew moves Throttle, and linkage moves to drop Jet ...FIScrew is shown here, resting just at little kink, where Cam arc begins...

Source: http://www.sw-em.com/checkchoke.htm

...reminder: assure cables and linkages at carb are lubed...

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