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Thread: Out board repower

  1. #1
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    Question Out board repower

    I am thinking about re-powering my 16' Roughneck. Right now I have a old, cranky 65hp Evinrude with a jet. I need a motor that is more reliable, burns less fuel and I need more power. I also want to be able to switch prop/jet. I was looking at the 90-115hp range. Specifically the Yamaha 2-stroke 90 or 115hp. I can't afford a new motor, so I need to look at the used market. What a solid motor such as the ones mentioned above going to run me? any one else have any suggestions? Thanks (Any one else looking forward to boating season?:-)
    "When everything seems to be going against you, remember that the airplane takes off against the wind, not with it."
    Henry Ford

  2. #2
    Moderator Paul H's Avatar
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    Default

    Unless you go to a 4 stroke or direct inject 2 stroke, you can't have more power and better fuel consumption.

    I'd say due to it's light weight, and great efficiency, the Tohatsu TLDI 90 would be your best choice. It's a direct inject two stroke and only weighs 300#'s. Unfortunately you are unlikely to find a used one.

  3. #3
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    Default Better fuel

    What I meant was better comparatively, Right now I burn 6gph cursing with any thing but just my self. I figured that I could get a bigger motor, and run it slower, burning less. I was looking a a Yamaha 2-stroke 90, because, A) I have experience with Yamaha and trust them, B) because it is 3 cyl. and only weighs something like 269# and C) because I want to go jet/prop and I know this is fairly easy with no gear or control box changes with the Yami.

    P.S. Is that a Tolman Jumbo in your picture? :-)
    "When everything seems to be going against you, remember that the airplane takes off against the wind, not with it."
    Henry Ford

  4. #4
    Moderator Paul H's Avatar
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    I see what you're saying, you have to run the 65 WOT and running a 90 at say 2/3 throttle should make for fuel savings.

    Actually my Tolman is a widebody, but I stretched it to 22 1/2' and put a pilothouse on it, so it looks more like a jumbo. One of these days I'll get it finished.

  5. #5
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    Smile Wide-body

    I've looked at Tolmans alot, nice boats, I hope yours turns out well Thanks for responding.
    "When everything seems to be going against you, remember that the airplane takes off against the wind, not with it."
    Henry Ford

  6. #6

    Talking outboard power

    I have a suggestion but since I sell GoDevils it wouldn't be ethical for me to voice it.

  7. #7
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    Default Reed's

    Riverboater,

    I see you're in Fbnks, have you checked with Reeds Snowmachine and Marine out on Dale road? He had some of the 05 Merc 90hp 2-strokes (last carb'd ones made) and was selling them new for a good price.

    I run one on my 18' Alumacraft and it has plenty of power, we ran the Talkeetna and Big Su with 5 big guys and fishing gear. I estimated around 4-5gph running in the mid 20's up and hi 20's/low 30's coming down (with stock 3blade impeller). It's pretty light at around 300 lbs. If I remember right, new price was under $6K.

    Might be worth looking into.

    AK_BigO

  8. #8
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    Smile humm...

    I'll check into that. Thanks for the suggestions, that is what I was looking for in this post, other ideas.
    "When everything seems to be going against you, remember that the airplane takes off against the wind, not with it."
    Henry Ford

  9. #9

    Default Outboard options

    I run an 18 X 48 Lowe with a 35 hp Go Devil Surface Drive. On a rocky bottom, like the Chatanika, if the boat floats, it will go upstream. I took 2 adults plus myself into the Minto flats, over Murphy dome last June and only touched the skeg twice. Upstream speeds were 18-20 mph, downstream was 25 to 27 mph and it burns under 3 gallons per hour at wide open throttle. It's tiller steer, but with all the other advantages I'll live with it.

  10. #10
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    Default Go-devil

    What is a ball-park figure on a 35hp surface drive. I have no problem with it being tiller. I have a tunnel on my boat, that is another consideration, I'm not sure how, or if, that would affect the operation of a surface drive. Another concern I have is weight, I looked at Prodrives and I think they are to heavy, if I am remembering right. I also don't think I could afford a surface drive.
    P.S. I saw a guy with a go-devil on the upper Chena last year, every time he hit bottom it sounded like a gun shot. He was hitting bottom in about a foot of water.
    "When everything seems to be going against you, remember that the airplane takes off against the wind, not with it."
    Henry Ford

  11. #11

    Default outboard options

    Call Stu. He'll have your answers and he doesn't BS.
    Here's his website http://home.gci.net/~godevilalaska/

  12. #12
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    Smile Thanks

    Thank You, I appreciate all your help
    "When everything seems to be going against you, remember that the airplane takes off against the wind, not with it."
    Henry Ford

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