I had filled it with 2 stroke but the alarm went off briefly, and has gone off randomly. It just got a new impeller. The telltale is strong and not hot. I don't have access to a yamaha tachometer. Is there a list of reasons for RPM reduction mode and troubleshooting solutions online?
Thanks for...
This problem began intermittently a whole back. Changing spark plugs seemed to help but now it runs bad all the time. Recent carb clean and tune, new plugs, fuel pump and filter. Please see attached videos. Trying to avoid a costly repower, and help would be very much appreciated! Thanks!!