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  1. Y

    2005 Yamaha 200hp HPDI

    Any suggestions how I would do that?
  2. Y

    2005 Yamaha 200hp HPDI

    While in neutral, it is running on 4 cylinders as it should. When in forward gear, it is running on all 6 cylinders, at least that is what the YDS is showing. I did notice on the YDS while on the muffs, the TPS is showing a little high. Would that have any effect on it ? I have triple checked...
  3. Y

    2005 Yamaha 200hp HPDI

    Any other suggestions? I'm kind of at a loss on whats next to check
  4. Y

    2005 Yamaha 200hp HPDI

    Between 690 and 710 psi while at WOT running at 2800 rpm
  5. Y

    2005 Yamaha 200hp HPDI

    Good afternoon, I am having an issue with my HPDI motor (LZ200XTR) When attempting to get the motor on plane, I am only able to get to a maximum of 2800 RPM's. It is also idling rough at 500 rpm. (After replacing spark plugs, it idles at good at 800. After parking and then restarting , it...
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