Recent content by jdyer8989

  1. J

    Yamaha YZ250/WR450 Turbo Tracker/Supermoto

    The exhaust mock up has started. I purchased a TCbros XS exhaust kit to make the exhaust. It came with various bends, head flange and collars. The collar was so close to fitting, but needed to be turned down a few mm to fit theWR exhaust port. Mini lathe to the rescue! I bored out the...
  2. J

    Yamaha YZ250/WR450 Turbo Tracker/Supermoto

    @Popeye SXM , Thank you! That radiator looks like it will be perfect. I'll be ordering one soon. Also, awesome build! I didn't even notice the monster tires right away.
  3. J

    Yamaha YZ250/WR450 Turbo Tracker/Supermoto

    @Popeye SXM , thanks for the info. I'm guessing your talking about the single CR250 radiator. I never knew they came in a single unit, It looks like it could be a perfect fit! Would you mind measuring the overall length and width? I can't seem to find the dimensions online.
  4. J

    Yamaha YZ250/WR450 Turbo Tracker/Supermoto

    Does anyone have any recommendations for a radiator? I will need to replace the two YZ radiators with a single unit.
  5. J

    Yamaha YZ250/WR450 Turbo Tracker/Supermoto

    Spent some time this weekend working on the lower motor mounts. The hacksaw and files came out again. I cant wait until I can use an angle grinder without the possibility of being evicted. I am really kicking myself for this. I had a fully restored tank from an old Yamaha CT175 I built and...
  6. J

    Yamaha YZ250/WR450 Turbo Tracker/Supermoto

    A friend of mine had a set of KTM 690 supermoto wheels laying around and I thought I would try to make them work to keep the budget down. I am still going back and forth on what wheels to run. I am leaning toward running a 17" supermoto setup rather than 19" tracker wheels. My goal is about 80HP...
  7. J

    Yamaha YZ250/WR450 Turbo Tracker/Supermoto

    The moment of no return! Next was to install the engine in to check how well the frame CAD model matched the actual frame. As mentioned the rear engine mount was the same as the YZ250 engine which allowed the engine to be installed into the frame, with the help of a strap. The sprockets lined...
  8. J

    Yamaha YZ250/WR450 Turbo Tracker/Supermoto

    Hey everyone, I thought I would start to share my project now that I've passed the moment of no return. First a little background. About 6 years back I was getting tired of my current career as an auto mechanic and decided to go back to school for mechanical engineering. I have since completed...
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