Boston walyler and a yamaha j650 is a good set up
all you need at the moment is a led test light and a volt meter
make sure you have volts or amps and earths at the right places
some messy DIY wiring done and takes time to sort it properly
i would suggest a compression test on the motor
you have water pump impeller worn or coil ,plugs, fuel supply and other reasons why the motor would over heat or run rough
no temp shut down system on yamaha electronics module
if that was blown the motor would not start
this is the boat and the motor yamaha J650c
SOURCE: yamaha ar 230 engine middle lightcome on in on both tach and shut
With the newer yamaha jet boats your route of easiest resistance is gonna be to take the boat to a Yam dealer so they can put a diagnostic machine on it. Alot of sensor problems can be solved much easier and cheaper after running the diagnostic and pinpointing exactly what the issue is. The lights on the dash are for high temp and low oil. If you checked the water temp and it seemed ok, check your oil levels.
SOURCE: yamaha ar 230 engine middle lightcome on in on both tach and shut
I have a AR230 Yamaha and the right engine is putting out about 80% thrust. After tubbing with my boy's on Sunday. Any idea's what the problem can be?
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