The tank ,fuel water separator, then there is an aluminum piece I believe is a reducer (not sure what that does) then to the motor. I put the plastic tube between the tank and the motor mounted I watched it and when the lift pump cycled off the line would go empty. The cup did fill up and down. The pressure relief valve never seemed to close,only when the pump cycled off. As soon as the pump came on it was open. When I sea trial the motor,started fine when I got to about 3k rpms it started to die.
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Fuel starvation yamaha f225 i need help
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Filter
OK I have two good pictures that I try to upload to show you and I keep on getting an error so I can put them up yet..so I found that the fuel filter gasket had come loose from the filter and I might have over tighten the filter causing it to go out of shape. I'm only trying to fix one thing at a time so I can determine what the real problem is. I was unable to get the boat out of the water today but I'm gonna go try tomorrow . I believe those aluminum brackets are fuel flow sensors I have a fuel management system on my Yamaha's I will post again when I find out if this was a fix or not.
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Todays update
Ok todays update;after shut done at around 3500rpms It started to die but came back. So after that I used the primer ball first. After three pumps the ball became hard. Before start I looked under the hood and the filter cup was full .So my feeling is if the primer ball gets hard I shouldn't have any more fuel leaks? I feel that the vst is still running empty? I'm thinking the relief valve is staying open?
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Originally posted by marchmadness View PostOk todays update;after shut done at around 3500rpms It started to die but came back. So after that I used the primer ball first. After three pumps the ball became hard. Before start I looked under the hood and the filter cup was full .So my feeling is if the primer ball gets hard I shouldn't have any more fuel leaks? I feel that the vst is still running empty? I'm thinking the relief valve is staying open?
And I thought you were looking for an air leak not a fuel leak
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Today it never really shut down . Maybe I have more than one problem. I have a fuel starvation issue. I changed the primer ball and water separator and now the primer ball will stay hard when pumped. Sorry let me clarify I ran the motor and shut it down and drifted for around 30 minutes. When I started back up I was around 3500 rpms ,it dropped down to 3100 and back up.Last edited by marchmadness; 06-30-2017, 08:03 PM.
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