Reply To: Mercury KD4

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January 31, 2021 at 2:17 pm #229190
billw
Participant

    US Member

    The clutch gets driven by the same pin that drives the impeller. The second hole in the shaft, seen in your picture, is not used when there is a clutch. That hole would be for a shear pin to drive on the propeller directly, with no clutch.

    Long live American manufacturing!