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  1. #71
    Quote Originally Posted by DinoMite View Post
    I think for the most part production differences in skis are probably fairly small these days. I think conditions and rider weight have way more of an influence between speeds on the same ski. That being said my TX ran 75-76 dash, at 8000rpm stage 1 flash,13/18 solas 3 blade, 7/8ths fuel 170lb rider. My PX ran 82dash, stock prop, full tank gas. It was hot/muggy out yesterday.
    I agree, I think the majority of the variables are mainly in the props. No 2 props are alike. I'm stage 2, plus exhaust, waterbox, IC piping, and IC. I hit 79 today at 70 degrees and 1100ft elevation. Freshwater. Only spun 8150. I think it's time for a prop.


  2. #72

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    Quote Originally Posted by BMist371 View Post
    I agree, I think the majority of the variables are mainly in the props. No 2 props are alike. I'm stage 2, plus exhaust, waterbox, IC piping, and IC. I hit 79 today at 70 degrees and 1100ft elevation. Freshwater. Only spun 8150. I think it's time for a prop.
    IC piping, waterbox, IC don't do much for these skis far as performance other than maybe some reliability. Your more like a stage 1 as far as tune until you add a big intake like the Riva or Kanaflex and maybe do some air flow modifications. You might try an 13/18 solas on there, that's what I run for summer.

  3. #73
    Just wanted to post my SCOM results for comparison. My only other mod is a catch can.

    2018 RXTX 300
    77 mph on dash, ticked 78 a couple of times and 76 mph going against current/wind
    Freshwater lake 75° / air temp was between 78° and 80°
    Half tank of gas- 90 octane with no ethanol added (normally use 93 octane with ethanol but decided to give the 90 a try)
    1500 feet above sea level

  4. #74

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    Quote Originally Posted by rlrayl11 View Post
    Just wanted to post my SCOM results for comparison. My only other mod is a catch can.

    2018 RXTX 300
    77 mph on dash, ticked 78 a couple of times and 76 mph going against current/wind
    Freshwater lake 75° / air temp was between 78° and 80°
    Half tank of gas- 90 octane with no ethanol added (normally use 93 octane with ethanol but decided to give the 90 a try)
    1500 feet above sea level
    Very typical results. Just run 93 you'll be fine. I've run nothing but shell 93 (up to 10% ethanol) in all my skis for hundreds of hours and the fuel filters always look great and never had any fuel related issues.

  5. #75
    Quote Originally Posted by DinoMite View Post
    IC piping, waterbox, IC don't do much for these skis far as performance other than maybe some reliability. Your more like a stage 1 as far as tune until you add a big intake like the Riva or Kanaflex and maybe do some air flow modifications. You might try an 13/18 solas on there, that's what I run for summer.
    I have a 4 inch intake and a covered hole in the back of the ski. Airflow is not my issue. Runs within 40 rpms of itself with the seat on or off.

  6. #76
    2020, with my old scom, you can definitely transfer scoms on the new machines.

    90 degrees out side, water temp probably 60ish. No mods other than SCOM. I was tempted to take the ski pylon cover out but was having too much fun.

    I saw 78 on dash but never stuck.Click image for larger version. 

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  7. #77

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    Scom info good to know - One thing I have noticed on my 2020 RXTX - if you shift your weight all the way back as possible - it picks up at least 1 mph or 2 - my 2016 didn't change at all.

    I always have a ton on stuff in my front compartment( Beer - tools anchor) and 12 gallons gas on the rear - Happy hitting 77 sitting upright

    I love the ski

    Ride on.

  8. #78

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    Quote Originally Posted by jeff24680 View Post
    2020, with my old scom, you can definitely transfer scoms on the new machines.

    90 degrees out side, water temp probably 60ish. No mods other than SCOM. I was tempted to take the ski pylon cover out but was having too much fun.

    I saw 78 on dash but never stuck.Click image for larger version. 

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    Nice!, seems about right. ski pylon removal does nothing...I tried it. What RPMs where you at when you ran 77? We all compare speed...but RPM would be a much better indicator of power being made.

  9. #79
    Kedo's Avatar
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    I have a 2019 rxtx and am on Meredith Bay, if you want to catch up sometime.
    You’re running what I got with a Scom, so your all good.

    I jet ski Winnipesaukee on Facebook, if your interested.

  10. #80
    Kedo's Avatar
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    I have a 2019 rxtx and am on Meredith Bay, if you want to catch up sometime.
    You’re running what I got with a Scom, so your’e all good.

    I jet ski Winnipesaukee on Facebook, if your interested.

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