Anybody know if the Super BN44 is a direct swap onto a Kawi 550? It had a standard 44 on there and we found a huge crack down the whole carb. I got him the Super BN44 and he says he having trouble installing it. Something about it hitting the head and not seating all the way.....? Maybe its user error. IDK. Dont know much about the kawi's. Somebody help me out. Thanks.