PHBH BS Atomiser housing issue
i realise this is an old topic but the carb could be used on a reed valve motor . i had a 30phbh like the one mentioned above and after being told it was a 4 stroke carb i checked it out on google and found it had been fitted to a ktm 125 2 stroke motocross bike. changed the jets to suit my engine , bolted it on and it ran fine. just sayin.