Yamaha f60 trouble, please help!

[Zday]

Hello everyone, I'm having some issues with my 2013 60hp Yamaha. it has been in the shop before and I have talked to numerous mechanics and they cannot seem to find the problem. The motor will run great for the first few hours or two, but then all of a sudden it was start to spit and sputter and eventually just choke up and shut off. Once it shuts off, it will turn back over and attempt to crank up but will choke out every time without cranking back up. Usually it takes about 30 minutes or so for it to crank back up and then it will run like a champ for hours on end. There is no real pattern to when/how it is doing what it is doing so it's hard for me to explain it other then how I have. If anyone has any tips or suggestions I would greatly appreciate it, this problem has been driving me crazy!

 

[Docksidemarineservices]

Attach a fuel pressure gauge and run it until the event happens. Have a spark tester on hand to.

Do this test yourself and post the results.