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XR100 questions... where do i get spokes for 16" front conversion, etc etc

Discussion in 'Mini Racing' started by SpeedyE, Aug 29, 2022.

  1. SpeedyE

    SpeedyE Experimental prototype, never meant for production

    2003 XR100R

    Should I buy an OEM 16" Rear (1.60) rim/hoop to use on the front instead of buying a used XR80 front (1.40), and lace it up w/ the front hub.
    I am unknowledgeable on where to get spokes (Cheap$) for that modifictatioon?

    Tyres: Bridgestone BT45 or BT46? 110/90/16 front and rear? Kenda?

    Best front brake shoes are OEM, I am guessing.

    Best gearing combo for good speed on gokart track? Advices? Bike came w/ a 428 ~ 15/46, is this any good? Original/OEM is 14/50

    I got the BBR rear spring, and bought an OEM CRF100 shock to do the drill/tap hole and put 15wt in the shock.

    Forks: Brand/wt of oil and how much oil (cc and/or airgap)?
    Welding up and re-drilling the rebound rods: Any advice on hole sizes, other mods etc?

    Brake/clutch levers: I had a massive stroke, my hands are weak and confused, and malfunction once tired (quickly).... what would be the best low-cost perches and levers. I rented a bike and the OEM levers/pull cooked my hands w/in a few sprint races.

    Quick(er) turn throttle housing??? Less wrist movement for me = my hand lasts longer.

    Oiled or non-oiled air filter for gokart track (not dirt/offroad)?
    Remove the spark arrestor for more flow?
    Jetting?


    That's all I can think of know, I am sure I will add to this in the next few days.

    Any other advice/suggestions, always appreciated
     
    Last edited: Aug 29, 2022
    Once a Wanker.. likes this.
  2. TurboBlew

    TurboBlew Registers Abusers

    Once a Wanker.. and SpeedyE like this.
  3. SpeedyE

    SpeedyE Experimental prototype, never meant for production

    Once a Wanker.. likes this.
  4. TurboBlew

    TurboBlew Registers Abusers

    check the linkage bushings...

    You can take ~8oz off the stock flywheel.

    Factory pro makes a shift star kit thats worthwhile.
     
    Once a Wanker.. likes this.
  5. Toadmeister00

    Toadmeister00 Well-Known Member

    I can't help on specific XR/CRF100 set up info, but when it comes time for new chain and sprockets the XR/CRF80 420-sized stuff will bolt right on.

    Depending on what the throttle tube and inside of the housing looks like, you can probably shorten up the throw on the stock tube with a little bit of epoxy. I have done a couple of them and they work well (stock DRZ and stock KTM 85 tubes). You just want to add a little diameter to the tube.


    Throttle RSZ.jpg Throttle2RSZ.jpg
     
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  6. Will9465

    Will9465 Well-Known Member

    You buy an xr80 / crf80 front wheel and bolt it right up. It is the easiest way to get your 16" front wheel
     
  7. SpeedyE

    SpeedyE Experimental prototype, never meant for production

    Got the wheel on order form ebay.
    Everything coming along OK so far.
    Toad, thanks for the pix!!!

    Thank you everyone!!! :clap::flag::clap:
     
    Once a Wanker.. likes this.
  8. zx250r

    zx250r Well-Known Member

    I've got some spare front wheels from crf80 that bolt on
     

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