From what I can see, this is not a pump around system. Have you taken the float bowl off? Do you have a float in the carb? A pump around system does not have a float. There is a fuel line in and a fuel line out, with coarse foam and a brass plate in the place of the float. Seems to me you have a sticking float.
The pilot jet size is difficult to read, it is written on the side of the jet, main jet is easier to read on the head. Being an old fart, I need a magnifying glass to read the numbers.