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20" or 25" Shaft?

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  • 20" or 25" Shaft?

    Looks like I have to do a repower also to enjoy the boat. The old 90 Mercury is tired. Do I have to use a 20" shaft or will a 25" work too? Is it that much heavier? It seems like their are a few used 25" out there too.

    1987 Mako 17. It has a jack plate.
    John Ryan[br]Middletown, NY[br]Hudson River[br]Coleman Crawdad Sold[br]1987 Mako 17\' Sold[br]

  • #2
    20" A 25 will just not work right.
    2007 Everglades 243 250 Suzuki[br]1988 201 Yamaha 200 - Sold[br]1990 261 T/200 SWS - Sold[br]1978 25 225 Johnson - Sold[br]1975 20 85 Merc - Sold[br]Jacksonville, FL[br]

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    • #3
      20", and you'll still have to lift it a little.
      Matt221[br]\'89 Mako 221 w/ Zuke 250[br]\'77 Mako 17\' Angler (under construction)[br]Auburn,AL[br]

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      • #4
        Would a 2008 ETEC 115 have the hours recorded in the software? There's a used one up in RI/CT that looks pretty good for my 17.
        John Ryan[br]Middletown, NY[br]Hudson River[br]Coleman Crawdad Sold[br]1987 Mako 17\' Sold[br]

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        • #5
          think the other guys are right, think its 20", have an old friend trying to get a conversion kit to change shaft length sounds like a major pain in the ass

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          • #6
            Hours should be as shown in software, unless the ECU was swapped/replaced at some time...
            1992 211 w/175 OptiMax
            Glen Campbell, Pa.

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            • #7
              Too many hours or good to go?

              Would do a compression test too.

              Any thing to look out for?

              https://providence.craigslist.org/bp...737311691.html
              John Ryan[br]Middletown, NY[br]Hudson River[br]Coleman Crawdad Sold[br]1987 Mako 17\' Sold[br]

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