A couple weeks ago coming back from a sail i started my yanmar- fired up as usual - motored to my dock and as i entered the slip the motor died I tried to restart, engine turned over, but no start I bled the engine, and started again, the motor fired right up snd ran for 15 min until i shut it down Went out last week and all good Today , at the dock, i started the motor and it ran fine for 10 min and then died would not re-start- fuel shows 3/4 Any suggestions There Is no water in the raycor could a bad alternator do that? Bad injectors? Ray or and secondary fuel filters changed out a couple of months ago. Thanks for help with troubleshooting!
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probably not the alternator. raycors should be clean if it was only a couple months unless you got bad fuel in the meantime. I would disconnect the fuel return hose and blow it out back into the tank with some compressed air and reconnect, bleed the engine again. I had a similar issue with a blocked return line years ago - it made the engine seem like it needed to be bled and Iād do that and it would run for a while and then die.
Thanks for the reply. Forgive my lameness - are you saying disconnect the fuel line to the raycor from the fuel tank and blow that back to the tank?