Originally Posted By 72demon416
If the rear idle circuits are contributing at that rpm then that would definitely make sense then! I’ll fatten up the front carb a bit (because I can get to the mixture screws) and then move it to the the rear and see what happens.
Thanks!


Yes they contribute at idle and have a transition slot for when the outboards first open. Try to put all 4 outboard idle screws out the same amount. I would start at 3/8 or 1/2 and see where the center ends up.... if its less than one turn out on the center the rears need to be turned in more, more than 2 turns turn the outboards out more. A general rule is 1/8 turn on all 4 outboards =1/2 turn on center, not always a perfect ratio or all carbs but to help get you in the ballpark since its so fun adjusting that rear.

Last edited by 4406bbl; 05/14/18 11:52 AM.