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  1. #46
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    This was a good thread. I think the mid 115 - 175 is the most interesting segment. Lots of change coming. Looking foward to seeing what Mercury does with their new 2.1 L and 3.0 L 4-strokes. I think the 3.0 will move up the lineup, 175 and hopefully 200. Maybe even XS versions.

    We covered the range of available engines: https://www.wavetowave.com/home/2017...y-on-the-power

  2. #47
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    Quote Originally Posted by home made tunnel View Post
    Now we're talking !!!

    Good tech talk opportunities here.
    The torque curve is interesting. If it's anything like dirtbikes, the 4 strokes have way more punch out of the hole. And more torque over the whole curve. I wish outboards had the graphs shown like cars.
    Come on now, how would a motor that fires every OTHER time the piston goes up ever have a better hole shot than a motor that fires EVERY time the piston goes up. We are talking water here not dirt and 6 speed gearbox. Did you not watch the tug of war.

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  4. #48
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    Quote Originally Posted by perfmarine1 View Post
    Come on now, how would a motor that fires every OTHER time the piston goes up ever have a better hole shot than a motor that fires EVERY time the piston goes up. We are talking water here not dirt and 6 speed gearbox. Did you not watch the tug of war.
    Because typically, 4-strokes get their power in the upper RPM range. There's a reason all the Motocross racers switched to 4 strokes.
    We're not talking tractor motors here haha.

    Think of it this way... the Suzuki GSXR and all crotch rocket 600cc motors rev to 16,000+ rpm. 4 strokes. All HP up top.
    Motocross bikes rev to like 5 or 6000 rpm... and are way torquier than the 2 stroke counterparts.

    Comparing a 115hp 4 stroke to a 115hp two stroke.... The displacements are going to be way different. Therefore, torque curves different. But If you look at the Merc 115 Pro XS (race-ish motor) and compare to the Honda 115 (tractor motor) you'll see a difference too.

  5. #49
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    Anyone wanna do a tug-of-war?
    My 115 Pro XS vs an evinrude 115 E-Tec !!!

    If geared the same, lets put on 15 pitch props, then 26 pitch props.... see how they both do?

    I wish outboards came with hp/torque graphs.

  6. #50
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    I'd go ya yesterday if had a115 Etec. Fun stuff. Haul it up here and take your pic of what's on the dock. Kidding

  7. #51
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    Quote Originally Posted by home made tunnel View Post
    Because typically, 4-strokes get their power in the upper RPM range. There's a reason all the Motocross racers switched to 4 strokes.
    We're not talking tractor motors here haha.

    Think of it this way... the Suzuki GSXR and all crotch rocket 600cc motors rev to 16,000+ rpm. 4 strokes. All HP up top.
    Motocross bikes rev to like 5 or 6000 rpm... and are way torquier than the 2 stroke counterparts.

    Comparing a 115hp 4 stroke to a 115hp two stroke.... The displacements are going to be way different. Therefore, torque curves different. But If you look at the Merc 115 Pro XS (race-ish motor) and compare to the Honda 115 (tractor motor) you'll see a difference too.
    Ya, four strokes can rev and rip for sure. That's why I am kind of disappointed in Suzuki, Yamaha and Honda's performance marine efforts. They should be making the lightest, best performing engines on the water with their bike racing experience. Love that 115 XS.

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  9. #52
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    Kawasaki should have made a 300 Ninja outboard lol

  10. #53
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    Quote Originally Posted by home made tunnel View Post
    Kawasaki should have made a 300 Ninja outboard lol
    they are gutless so cant work without gears.
    Thats why the v8 hyabusa tested as a replacement F1 engine was a failure as was the purpose built Caldwell
    Its all about how much horsepower at 5252 rpm and below.

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  12. #54
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    Quote Originally Posted by home made tunnel View Post
    Kawasaki should have made a 300 Ninja outboard lol
    Ya, the Kawasaki Aqua Ninja ��

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  14. #55
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    Quote Originally Posted by home made tunnel View Post
    Anyone wanna do a tug-of-war?
    My 115 Pro XS vs an evinrude 115 E-Tec !!!

    If geared the same, lets put on 15 pitch props, then 26 pitch props.... see how they both do?

    I wish outboards came with hp/torque graphs.
    15 pitch you'd get your ass owned....26 pitch you'd really get your ass owned after your motor stalled. The v4 etecs are no slouches.

  15. #56
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    When they switched from 2 stroke to 4 in motorcross they went from 250cc to 450. 2 strokes have also gained a lot since then.

  16. #57
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    Last edited by powerabout; 09-23-2017 at 08:23 AM.

  17. #58
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    Quote Originally Posted by blacktruck View Post
    Ya, the Kawasaki Aqua Ninja ��
    has a good ring! An outboard revving to 16k rpm lol

    Quote Originally Posted by Capt.Insane-o View Post
    15 pitch you'd get your ass owned....26 pitch you'd really get your ass owned after your motor stalled. The v4 etecs are no slouches.
    now my butt hurts lol

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