I'm probably up to 75% or more now that we have an Ultrasonic cleaner and the proper cleaners to use with it.
A carb rebuild is about a 50/50 chance at best for anyone that has never done a carb before. Without the proper equipment and cleaning you probably didn't do anything more than install some new gaskets.
If you had stuck floats and needle valves, you can bet money all those small drilled passages are also plugged.
I'm probably up to 75% or more now that we have an Ultrasonic cleaner and the proper cleaners to use with it.