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    1987 Overnighter engine cutoff switch adjustment problem

    I have a 1987 20-foot overnighter with a Mercruiser 190 with Alpha One Sterndrive. On the engine, there is an engine cutoff switch that monentarily cuts out the motor when you shift in and out of neutral. Mine has somehow got out of wack, killing the motor every time I shift. Needless to say...
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    Prop size for 1987 GW Overnighter I/O

    I am not sure of the current size, as my boat is presently in winter storage. The outdrive is a Mercruiser alpha one 190. The manual specs list RPM at WOT of 4400-4800.
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    Prop size for 1987 GW Overnighter I/O

    I need a new prop for my 1987 GW overnighter 20. It has a 190HP Mercruiser I/O. The current prop seems to cavitate and cannot get the boat on plane with more than two people in it. Any recommendations on prop size? 3 or 4 blades?