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    4588 ??

    4588 with hino 220

    Helping a friend today and I noticed that all the tach' stop at 2600 rpm but the engine go to 3200 rpm in neutral which was verified with a hand held tach also not long ago all his temp gauges read low down to 155 to 160 was 175 2 months ago when boat was run from Seattle to Ketchikan so there must be a common connection power or ground to all the instrument that needs attention hoping someone has been here and could shorten up the troubleshooting

    Thank in advance you all have a great 4th a. Group of U.S. bayliner owners are heading out tomorrow for a long weekend crabbing and some Halibut fishing great weather coming

    Roy sunny SE AlaskaÔÜô´©ÅÔÜô´©Å
    1988 3818
    EH 700
    Custom hard top enclosed

    #2
    My tachs go to 4000 RPM. Your friends may have been changed out by the PO.

    My temp runs right at 175 degrees F.
    Patrick and Patti
    4588 Pilothouse 1991
    12ft Endeavor RIB 2013
    M/V "Paloma"
    MMSI # 338142921

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      #3
      Yes his tach's go to 4000 RPM but the needles stop moving at 2600 yet engines. Keep going up

      Thanks Roy
      1988 3818
      EH 700
      Custom hard top enclosed

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        #4
        Mine do this also.. Have not verified with hand held tach, but can hear them.. I can run them up to 2400rpms, then push the throttles all the way up. I can distinctively hear the engines raise in RPM, but the tachs do not move any farther than 2400-2500 rpm..

        Following..

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