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2003 Yamaha HPDI auto-fill Oil Issue

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2003 Yamaha HPDI auto-fill Oil Issue

Old 06-07-2019, 05:17 AM
  #41  
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Originally Posted by John S View Post
I had the Same problem , ended up being the float / switch in the remote tank on the boat.
That must be it then. Replace the float/switch in the remote tank.

Easy peasy.

I love THT.
Old 06-07-2019, 06:29 AM
  #42  
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Fellas, I try to read all these HPDI threads as I just got a set of 2001 200’s last year and trying to soak up as much as I can. Did I read correctly that a broken trim gauge can affect how the remote tank pumps to the engine tank?
l have a broken trim gauge and a small oil leak from the engine mounted tank when motor is tilted up.
sorry to hi jack thread
Old 06-08-2019, 11:59 AM
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So I changed the oil pump out and the in line oil filter. Plugged everything in and heard noise from the pump but the reseviour on the engine wasn't filling up. To see if I was getting any flow out of the pump, I pulled the line off of the tank on the motor (one coming from pump in boat) and nothing. I grabbed a hand pump i had purchased for 5 bucks at harbor freight and began sucking as much as I could...all of a sudden, I guess when the pump was finally primed, BINGO! she started working again. Success. I'll attach some pics of the old pump I pulled apart so others can see how it works.
Old 06-08-2019, 12:02 PM
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On of the magnets had come off the sides of this cylinder. That was what killed the motor.


Field smelled burnt but looked good






New one

brushes looked good

gear pump...why I had to prime it...these aren't self priming.
Old 06-08-2019, 12:04 PM
  #45  
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Originally Posted by other line View Post
Fellas, I try to read all these HPDI threads as I just got a set of 2001 200’s last year and trying to soak up as much as I can. Did I read correctly that a broken trim gauge can affect how the remote tank pumps to the engine tank?
l have a broken trim gauge and a small oil leak from the engine mounted tank when motor is tilted up.
sorry to hi jack thread
I doubt it about the trim gauge but the oil leak when engine is tilted up is a common problem. I try to never tilt mine up that far but it's been said that tying a plastic tie wrap real tight around the cap works wonders. It leaks out of the cap.
Old 06-08-2019, 12:39 PM
  #46  
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Originally Posted by other line View Post
Fellas, I try to read all these HPDI threads as I just got a set of 2001 200’s last year and trying to soak up as much as I can. Did I read correctly that a broken trim gauge can affect how the remote tank pumps to the engine tank?
l have a broken trim gauge and a small oil leak from the engine mounted tank when motor is tilted up.
sorry to hi jack thread
You probably did read it correctly here on THT. It has been stated here time and time again.

Only problem is, for your specific model it is crap information.
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