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Thread: converting 2008 CRF150R to big wheel

  
  1. #1

    Default converting 2008 CRF150R to big wheel

    OK i am going to convert a 2008 CRF150R tio a big wheel. I am looking for anyone who has or knows where i can get the parts needed. swing arm, brake line, wheels ect.
    thanks

  2. #2
    Senior Member ktm300hater's Avatar
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    You will need rims. spokes, tires, tubes, chain, rear sprocket, brake line, but I belive it can be done without a swingarm if you run the chain adjustment all the way back. At least you could on the CR85. I can get you a price list together if interested

  3. #3

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    that would be great, thanks for the help! How many inches would i loose by not going to the longer swingarm

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    Senior Member ktm300hater's Avatar
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    The big wheel swimgarm is only an inch longer

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    Senior Member ktm300hater's Avatar
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    And when you do the conversion you also slide the forks down

  6. #6

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    if i dont change the swingarm i dont need to replace the brake line anymore do i

  7. #7
    Senior Member ktm300hater's Avatar
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    Nope

  8. #8

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    so really all i need to do is get new tires, rims,sproket and chain. do any of the companies like excel, DNA or Warp 9 make rims for the big wheel all i can find is 125 and up

  9. #9
    Senior Member ktm300hater's Avatar
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    Yes moose makes superminis rims and are cheaper then excels. They come in silver or black

  10. #10

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    i will also need new brake rotors for front and back correct

  11. #11
    Senior Member ktm300hater's Avatar
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    no the rotors are the same

  12. #12

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    running the short swing arm vs the longer one is the geometry and wheel travel any different?
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  13. #13
    Senior Member ktm300hater's Avatar
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    Quote Originally Posted by afroracing View Post
    running the short swing arm vs the longer one is the geometry and wheel travel any different?
    nope it works the same, Chaz Holladay has ran them on Yamahas when he rode 85s. As did my son when he rode Hondas. But as I stated earlier, im noyt 100% certain about the Honda 150 being able to do it with the short swingarm....but im pretty sure you can

  14. #14

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    what size rear sproket would be the best for a kid who is just starting out a 56 Tooth Rear Sprocket
    also how much of a pain is it going to be to get a good tension on the chain if i have to move the adjustment all the way back to start

  15. #15
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    We did this exact conversion and went with Excel rims. It's not a cheap conversion though. The safe bet on the gearing is to go with the stock big wheel sprockets. The chain will be a little shorter than the big wheel set up and longer than the small wheel. Everything works without changing the swing arm although the tire is a little snug against the small mud guard that bolts onto the swing arm. After is was all said and done, we spent over $600 and that was buying the parts at a little over dealer cost. The bike did handle much better and more importantly, it shut my daughter up about wanting a 250 which was too big for her! Good luck!
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