Reply To: 2010 EFI GT650R CHE on dash/no start
else, I would take a look to the roll-over sensor.
I had the same simptoms with mine (gv250 ei version) and finally a contact-cleaner bath to ECU conector did the work. After that, I had to change the fuel pump connector (loosy) and the fuel pressure regulator, that was stuck in “open” position, voiding an adequate fuel pressure in injectors’ circuit.