Originally Posted by
Bladejunkie
Do you guys think the new case is a direct swap with the old one?I just ordered(back ordered)the new carb and case.I did the carb swap on my 15gx had to file the fins in front of the carb and drilled through mounting lug for the pulse line.I put it in my ultra stick 60 and it pulls it around really well,not as good as my os 75ax but I didn't really think it would.
Later Jim
The fins on the front come close to the carb but no mods needed. The pressure tap area was milled flat before drilling. The area includes a small section of the transfer port and an area on the front crankshaft bearing housing. I would not try tapping it with just a drill.