My 2002 2 Cycle 50 HP Yamaha purchased used on my 15" Triumph seems to be running fine 95% of the time now that I've got new plugs, gas, water sep filters, clean carbs and new fuel pump. Problem is that after running for about 15 minutes at speed (~4000 RPM's) the motor slows down and goes into "limp-home" mode. (Pee stream is still strong and oil is OK.) Then after a few minutes it picks back up.
Back at the the dock, I discovered that the alarm wires were disconnected by the previous owner. Although the motor was now OK and idling fine, when I connected the wires the alarm buzzer went off until I disconnected them again.
Two questions:
!. Are these motors subject to "vapor lock" or some other ailment that could explain the vapor lock?
2. Is there an electrical or other component that I could check/replace to get these alarms quiet until/unless there is a real problem.
Thanks a ton for any help...
Jim
Back at the the dock, I discovered that the alarm wires were disconnected by the previous owner. Although the motor was now OK and idling fine, when I connected the wires the alarm buzzer went off until I disconnected them again.
Two questions:
!. Are these motors subject to "vapor lock" or some other ailment that could explain the vapor lock?
2. Is there an electrical or other component that I could check/replace to get these alarms quiet until/unless there is a real problem.
Thanks a ton for any help...
Jim