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are you shaw that the fuel pump is operating properly and delivering over 2 bar on start up and upto 8 bar while running? The injectors both fuel green and air blue need correct pressures. I have a fault similar and it is my fuel pump.

Hi all, Im new here but I'm trying to sort out a Jetforce 50cc. It threw a lot of codes (10 in all) all linked to the fuel supply chain (pump, air injector, 4x potentiometer, etc) but starting with the most obvious the fuel pump. It was not priming at start up and once removed and dismantled the motor is shot. I can get it to run but only by manually spinning it with power applied. Even then there is not enough power or speed (in my mind) to pump and sustain upto 8 bar. As a whole unit this turn…