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Thread: 2001 X1 Project

  1. #1
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    2001 X1 Project

    Just picked up an 09 1125R and a 01 X1.

    planning to put the 1125r rims and forks on the X1

    after that, who knows, but I plan to post some of the progress here.

  2. #2
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    20201204_082045.jpg20201204_082003.jpg

    starting point....

    here are a list of problems:

    - oil leak up front somewhere
    - wayyy too loud, has Vance's and Hines, no baffles whatsoever.
    - runs terribly (last guy said he put a race map on it, included the cable)
    - engine light turns on
    - brakes are mushy
    - has fuel pump and other odd and ends mounted incorrectly
    - scratches on the subframe
    - its yellow
    Last edited by Spldrong; 12-08-2020 at 12:18 AM.

  3. #3
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    I'd be interested in the front end if your swapping it out for the 1125 stuff.

  4. #4
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    fork swap

    Quote Originally Posted by Outlaw View Post
    I'd be interested in the front end if your swapping it out for the 1125 stuff.
    So I may sell the forks and rims, but I also have a couple other bike projects... I may use the forks on my XS650 Café Racer. But If I do decide to sell I will certainly post it on this site.

  5. #5
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    Gonna mock up the whole bike before I do any major moves in the looks department....

    fitting the XB rear rim...
    bracket before.jpg
    old bracket before sending it out to be modified.

    http://www.mcmoto-worx.com/xb-wheel-...ion-parts.html

    I used this site, contacted them through email. Marc did a great job of communicating and ultimately providing great parts. I had to send mine in.

    bracket after.jpg
    Bracket and spacers came packaged very well and looking sharp.

    rear fit.jpg
    left side rear.jpg
    right side rear.jpg
    I am unsure what i am going to do with the belt, I am considering going to a chain conversion, but I have not looked into it enough yet.

    next I will be putting on the 1125R Front end with an 1125CR top triple
    Last edited by Spldrong; 01-22-2021 at 05:06 PM.

  6. #6
    Senior Member 34nineteen's Avatar
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    Quote Originally Posted by Spldrong View Post
    Gonna mock up the whole bike before I do any major moves in the looks department....

    fitting the XB rear rim...
    bracket before.jpg
    old bracket before sending it out to be modified.

    http://www.mcmoto-worx.com/xb-wheel-...ion-parts.html

    I used this site, contacted them through email. Marc did a great job of communicating and ultimately providing great parts. I had to send mine in.

    bracket after.jpg
    Bracket and spacers came packaged very well and looking sharp.

    rear fit.jpg
    left side rear.jpg
    right side rear.jpg
    I am unsure what i am going to do with the belt, I am considering going to a chain conversion, but I have not looked into it enough yet.

    next I will be putting on the 1125R Front end with an 1125CR top triple
    I think Marc offers a custom pulley that will work with this conversion. I'm not a fan of the chain conversion on these bikes. I've alo heard the 1125 forks are a better setup for these conversions in regards to steering radius.


    I have done business with Marc in the past and he is a good guy. I just sent some parts out to him today.
    Last edited by 34nineteen; 01-22-2021 at 05:56 PM.

  7. #7
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    I did the XB wheel/fork upgrade on my M2. If you use a stock XB rear pulley, a 29T front pulley and a common 132T belt it puts the wheel in the right location for adjustment and the gearing is almost exactly the same as stock.

  8. #8
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    Yes, I gathered that Marc is a good guy, even though I only spoke to him on email he was communicative and smart. Many craftsmen have terrible email/text skills and often leave you wondering or annoyed at the terrible communication, Marc was not that.

    Thank you for the belt drive advice, I am annoyed at myself, when I sold the 1125R I let the rear pully go with it. Simply due to the price of the new pully, I may do a chain conversion just for the saved money. But I am open to change, This is a fun bike for nice weather days, so the maintenance of the chain is not a worry, although the cleanliness of the belt is attractive.. idk

  9. #9
    Senior Member Cooter's Avatar
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    I have an 1125R pulley I'd let go cheap for you, but I believe it's a stock XB that you want for this conversion.

  10. #10
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    Part 1, front end swap

    Putting a 1125R front end on a 2001 X1.

    First off I bought a new stem for the 1125r Triple from:

    https://engineeredvelocity.com/product/115/

    stem mail.jpg

    simply pressed out the old and in with the new:

    press out.jpg
    press in.jpg
    done.jpg

    No big deal. I did slightly bend the bolt on the lower triple because I was to hasty when I setup my support blocks. Simply support it better and perhaps tighten the fork bolts so they don't have room to bend.

    Remove all of the old font end... tap out the old bearing races, never try to use new bearings on old races. Was a shame because it looks like these bearings looked new.

    apart.jpg


    Last edited by Spldrong; 01-28-2021 at 01:50 AM.

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