Float Height/Fuel in bowl

Today is tuning day. I have VM 29 smoothbores (A7) and need to know how much fuel should be in bowl. Dont have plug to see how much fuel is in there unless I take bowl off. I know that float height is suppose to be 23mm, and that was dont. Should bowl be 1/2 full 3/4 full or totaly full ? Any help would be great.

Each carb bowl should have a drain plug on the bottom. You should be able make an adapter with a nipple on it that can be used to do a clear tube test. Ed

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