Questions & Answers for: Yamaha YZF-R7 OWO2 jinlun jl250p

i have a 50cc moped qt jinlun i just bought anew carb when we start it, it run for a while then just dies as if starved of petrol i know it works by a vacuum it will go down the street for a minute ...

my jinlun jl50qt4 cuts out my jinlun jl50qt4 starts and runs fine but when i get up to a bit of speed it goes to cut out like theres no fuel but there is any one got any ideas thanks is it fuel ...