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HPDI 250 Starboard motor bucking at 4800RPM

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  • HPDI 250 Starboard motor bucking at 4800RPM

    Anyone have experience with HPDI 250 bucking at high RPM (4800-5000)? Almost seems to be starving for fuel as it runs clean below 4800. I am going to change out the fuel filters and plugs for starters.

  • #2
    It's usually a fuel problem it needs to have the fuel pressure checked at 5000 RPM's.
    Regards
    Boats.net
    Yamaha Outboard Parts

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