Originally Posted by
SkippyMatt
I believe back when the 220 was a thing that they were using the original 21j carb and the 223 was using the 21j3 carb. Not sure the differences, one of them is that insulator material but not sure if that is the only thing.
yea I think that’s really the main difference between the 2 carbs but I was trying to see if anything inside engine was different like crankshaft or crankcase or are they just both 2101. I Don’t have diagrams so not sure if anything else different