Okay the fuel squirts are better now and the air flow is really well synched between the two carbs but I still have a rough idle. I sprayed carb cleaner all over with no change until I sprayed around the top edge of the carbs. Turns out that the bolts for the carb tops were slightly loose. I tightened them and that seemed to fix things a little bit.. at least the idle does not change now when I spray around the tops... I'm quite sure that they aren't warped because the carb tops are not hot to the touch with the engine at running temp.

I'm going to put hotter sparks in this afternoon and see if that has an effect. I noticed yesterday that all but the first sparkplug was sooty.. I mean if all the sparks are not consistant that would cause a rough idle wouldn't it?

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MB 72 250 M130.923 114.011 170k The Beauty