Hello, I have again a problem with my old zxr400 she takes off from 4000u/min no more gas and dies or chokes down also in the stand unless I pull the choke full then it goes in the stand but under last aich not and she fuel flame data: Kawasaki Zxr 400 (4 cylinder) bj 93 km: 43000 she has been throttled on 48ps and also syncronized Thanks already for the answers I hope it’s nothing dramatic the money is getting scarce…