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props for 1987 Mako 261

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  • props for 1987 Mako 261

    Twin 200hp 1987 Yamahas----4800 on port and 5100 on stbd at wot. The props are ss and cupped but there is no name or dimension posted on either prop. Is there anyone out there with a similar setup? What are you running for props? How well do they perform?
    Al Caletri[br]1987 26\' Mako CC[br]Narragansett, RI

  • #2
    Al,

    running stiletto 17p's. Get about 5300 WOT, engines are original '90 yams.

    Something is off if you're pulling different RPMs like that.
    1990 261 T/2001 200 HPDIs[br]Basking Ridge/Mantoloking NJ[br]

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    • #3
      What is the diameter of the 17 p's? Boat size? Any estimates of fuel consumption?
      Al Caletri[br]1987 26\' Mako CC[br]Narragansett, RI

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      • #4
        Hmmm....dont know dia., but its the standard size. 1/4" or so in dia is not going to make a difference.

        As far as fuel consumption, we cruise at 4000, burning 20gph @ 29-30 knots depending on wind. Pretty much get 1.5nmpg through the 3000 range, maybe a hair better at around 35-3600 so it seems.
        1990 261 T/2001 200 HPDIs[br]Basking Ridge/Mantoloking NJ[br]

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        • #5
          1987 261 with 1997 200 yams. 15 1/4 x 17 yam SWSeries props. WOT is 5500rpm with a decent load, 46-48mph max and average fuel burn with these carbed engines is 1.5 -1.65 mpg. The engines are mounted 2 holes up and the counter foot is on the starboard side (it backs much better). Hole shot is outstanding, I plane easily at 3600 rpm with a heavy fishing load.
          \'87 261 200 yamis[br]\'86 Actioncraft 130 yami[br]Palm Harbor,Fl

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