Reply To: GV650 what year 1st and 2nd generation EFI introduced? Jun 6, 2024 at 9:15 PM #13678 BronskiParticipant Thanks Marcel, exactly what I was after. If the bike has the OEM regulator/rectifier, I’ll be replacing it, rather than waiting for it to pop. Jun 6, 2024 at 9:15 PM #13678 BronskiParticipant Thanks Marcel, exactly what I was after. If the bike has the OEM regulator/rectifier, I’ll be replacing it, rather than waiting for it to pop.