Reply To: Running tandem outboards.

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June 22, 2019 at 10:28 am #177743
jeff-register
Participant

    On my Dad’s old OMC 17 foot dual deluxe he added a balance tach. If the needle was centered running both motors were running at the same RPM. If one was working harder the needle would show off to either side & was time to balance the mtrs.