Recent content by Petterssonmotorsport

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    Yamaha Nytro rtx se racer ( custom frontend )

    it is a modified original subframe. I'll look for some pictures and post them tomorrow
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    Yamaha Nytro rtx se racer ( custom frontend )

    Nice! I use Fox evol from Arctic cat. my Yamaha shoks where to short. Here is a short clip from last week.
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    Yamaha Nytro rtx se racer ( custom frontend )

    Do you have a picture of your frontend?
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    Yamaha Nytro rtx se racer ( custom frontend )

    No race yet. Hope for some more testing but we dont have mutch snow here =(
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    Yamaha Nytro rtx se racer ( custom frontend )

    I did a makover at the front , arctic spindels and custom made A-arms , also moved the skis 3,74" forward
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    2-stroke nytro mountain

    yes, here is some Pictures from this summer, I did some tests last weekend and adjusted the carburators, hope to make a larger test this weekend ,I will post a video laiter =)
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    2-stroke nytro mountain

    made a small test drive yesterday. Here is a Video
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    2-stroke nytro mountain

    Its Alive its alive, the next step will be to pull the radiator hoses and mount new dropbrackets for the ski. MOVIE :Rockon:
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    adjust map at pc III, need help

    Okay, it's a little hard to see in just a meter while driving, but at full throttle shows the 10.2 and should be 0.90 I'll give more fuel at full throttle? Thanks for the help ;)!
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    Yamaha Nytro rtx se racer ( custom frontend )

    Now I have test driven the nytro .. we have very little snow so have only be able to test some hole shots .. the pps ski is in place and working well. have put it in the stock holes and seems to work. got short of the rails a bit in front. here is some pics
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    adjust map at pc III, need help

    Hello again, It's PCIII usb I use, I tested without a PC and then showed lambda 0,99-10.2 ¨ it is true that a lower lambda value requires less fuel? If this is so, it seems it will have less fuel than the original map? I think this seems a bit odd?
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    adjust map at pc III, need help

    Hi, I have started to adjust my power comander map and have some questions, I have had a Ulmer map for Kn filter and exhaust system. Now we have the high lift cam ported head and bigger valves. have mounted a lambda and it is now showing 10.7 at full throttle, I want to be on 0.9, have tried to...


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