prop for 25 merc 4stroke

Discussion in 'Prop Shop' started by wookalar, Jan 21, 2010.

  1. wookalar

    wookalar I Love microskiff.com!

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    I just bought a 2008 25merc 4stroke for my j16 what pitch prop should i get
     
  2. Brett

    Brett > PRO STAFF <

    Based on reports here, a 12 or 12-1/2 inch pitch
    will be very close to what you need. Only testing
    under load with a tach, can allow you to be sure.
     

  3. wookalar

    wookalar I Love microskiff.com!

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    aluminum or stainless or does it matter?
     
  4. Brett

    Brett > PRO STAFF <

    Your choice. A cupped stainless will allow better use of a jackplate.
    Aluminum is less expensive and easier on the gears of the lower unit.
     
  5. rkmurphy

    rkmurphy Well-Known Member

    Stick with the stock 9.5 x 11P for now. I had mine pitched down to 10P and very mild cupping added...I'm thinking I'm going to wish it was back to 11P. Should get you upper 20s, maybe even 30. I have the same motor and same skiff :)
     
  6. mark_gardner

    mark_gardner I Love microskiff.com!

    imo the only way you'll ever be able to dial it in properly is to put a tach on it then adjust pitch from there and go with a stainless if your wallet will allow
     
  7. Captain_Shane

    Captain_Shane Well-Known Member

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    I have the same motor and year. Wondering where to get the best deal on stainless prop?
     
  8. ko

    ko Well-Known Member

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    Here in Va I found the best prop deals at a local Prop shop. The guy here has been puttin props on boats for years. He matches any internet price on the prop PLUS if the prop does not work you get free adjustments (cup/pitch) till he gets it right, or he will credit the price toward another prop. By far the best way to go. So, I'd look for a good local shop....
     
  9. wookalar

    wookalar I Love microskiff.com!

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    thanks for the info I went to a local prop shop bought a prop for a good price and he said if I wasnt happy he would work on it till I was.
     
  10. rkmurphy

    rkmurphy Well-Known Member

    What diameter x pitch did you end up going with? Curious considering we have the same boat/motor combo...

    I'm running a 9.5 x 10P with light cupping (as stated previously) but I think I'm running a little high in the RPM range. Unfortunately, Tiny Tach sent me the wrong tach and I can't be sure of this until I get my new one in (great customer service). On top of that, the skiff is gone for a couple of weeks for its annual service (wanted to get it done before the Keys trip)... :(

    Anyhow...post some more pics of the "Saltbomb"!!!
     
  11. wookalar

    wookalar I Love microskiff.com!

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    I dont know much about props but the guy at the prop shop said a 10.25 X 12 would be a good one to start with. He also said he could adjust the size if I didnt like it. what do you think.
     
  12. rkmurphy

    rkmurphy Well-Known Member

    I have no idea.  Test 'er out and let me know.  I'm still experimenting with mine. Since my motor is raised so high, I'd probably have to get a prop with that much larger of a diameter heavily cupped.