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Thread: Custom Tri-Z 250

  1. #1
    Join Date
    Dec 2015
    Location
    NY
    --
    12

    Custom Tri-Z 250

    This winter I'm building a tribute to the Tri-Z 250 using a modern YZ motor, BVC swingarm, CRF250F RSU 41mm forks, custom frame, custom triples and front hub, and YZ250 brakes.

    Below is the 2 piece hub I machined on a manual mill.

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    Last edited by Blackout; 01-05-2022 at 09:08 AM.

  2. #2
    Join Date
    Apr 2014
    Location
    Edmond, KS
    --
    2,531
    If you've put that much effort into just one hub, I HAVE to see the entire thing when it's done! It will be spectacular. I think the modern engine with a power valve will make it a completely different machine.

  3. #3
    Join Date
    Dec 2015
    Location
    NY
    --
    12
    Making progress on the triple clamps....

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    Last edited by Blackout; 01-05-2022 at 09:11 AM.

  4. #4
    Join Date
    Oct 2011
    Location
    SLC, UT
    --
    88
    Can you reupload those pictures of your front hub?

  5. #5
    Join Date
    Dec 2015
    Location
    NY
    --
    12
    Quote Originally Posted by legacy51 View Post
    Can you reupload those pictures of your front hub?
    Yah, I noticed the facebook link I used to host the picture expired. I'll have to figure a better way.

    Edit: I updated the photos. Sometimes I'm an idiot with computers. lol
    Last edited by Blackout; 01-05-2022 at 09:12 AM.

  6. #6
    Join Date
    Dec 2015
    Location
    NY
    --
    12
    Progress pictures....

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  7. #7
    Join Date
    Oct 2011
    Location
    SLC, UT
    --
    88
    Very nice!! What made you go with the non-inverted forks? They look nice and big compared to what was put on trikes from the factory.

  8. #8
    Join Date
    Dec 2015
    Location
    NY
    --
    12
    Quote Originally Posted by legacy51 View Post
    Very nice!! What made you go with the non-inverted forks? They look nice and big compared to what was put on trikes from the factory.
    Expense was the main reason. These are 41mm diameter off a 2021+ CRF250F. You can buy them new from a parts house for $195 per leg. They are legit Showa forks. If this project works out I will send them to someone for a revalve to my riding sytle and weight. For some reason they only have 8.5" of travel, the CRF230F had 9.5" of travel, but the diameter was only 37mm. I was sold on the rigidity of the 41mm forks and less concerned about getting to the 10" magic number that the final year vintage 2 stroke trikes obtained.

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