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Thread: Questions about 350x Sprockets and gearing.

  1. #1
    Join Date
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    Questions about 350x Sprockets and gearing.

    I am getting MX 22 inch tires for my X. I am going to go from a 13 tooth in the front to a 14 for better top end. I also want to get a smaller rear sprocket. (38 or lower) but Rockymountain, ebay, and denniskirk all have no rear sprockets besides the 40 tooth ones. Should i find like a 250x rear sprocket or something that keeps the 520 chain and just buy a 38 tooth or spend LOTS of cash that i DO NOT have on sidewinder custom sprockets? My X does 65 now with this gearing how fast will it be with the 14/38 gearing? Also i am going to be putting a 400ex carb (once i get one real cheap of eBay) i have a 450r silencer(as of today). You think i can hit about 70? Thanks! Cragster
    '86 200x

  2. #2
    Join Date
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    NVM i realised that I could use a 86 200x rear sprocket... They are 38 stock i believe... and are 520 size chain
    '86 200x

  3. #3
    Join Date
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    What did you end up doing?

    Travis
    36 yo, Apple geek, married with kids, conservative. If you are a GUN OWNER and not a member of the NRA, SHAME ON YOU! JOIN!

    Gun control is not about guns, it's about CONTROL!

    My Rags
    85 ATC70,85 ATC70,85 ATC110,83 ATC185S,85 ATC250ES,02 400EX,04 Polaris ATP 500
    Past rags:2000 Scrambler 400, 86 350X, 86 250R, 84 200S, 97 ATK260LQ

  4. #4
    Join Date
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    I bought a 14T front. I found a 36 rear i would of bought if i didnt get the 14 tooth front. The only way i would buy the 36 rear and 14 front is if i have 18s or 20s on the back and a custom 10 inch rim up front with a smaller tire to be smaller all the way around. But that costs money and trust me, im not made of it! lol

    The 200x one didnt fit. The holes didnt match up
    '86 200x

  5. #5
    Join Date
    Jan 2003
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    With the 14/40 and 22's I would say that you could hit 70. I don't think those numbers are "skewed", LOL!


    Travis
    36 yo, Apple geek, married with kids, conservative. If you are a GUN OWNER and not a member of the NRA, SHAME ON YOU! JOIN!

    Gun control is not about guns, it's about CONTROL!

    My Rags
    85 ATC70,85 ATC70,85 ATC110,83 ATC185S,85 ATC250ES,02 400EX,04 Polaris ATP 500
    Past rags:2000 Scrambler 400, 86 350X, 86 250R, 84 200S, 97 ATK260LQ

  6. #6
    Join Date
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    lol! ya i know. And theres no way a 400ex goes 56. That mag is wrong that mike posted!
    '86 200x

  7. #7
    KASEY's Avatar
    KASEY is offline weee weeee weeeeeeeeeee ! ! ! The day begins with 3WW
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    ARIZONAS BIGGEST TROUBLEMAKER
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    heres a 350x gearing calc,,,, try it ,,,,

    http://home.earthlink.net/~gellett/atc350x.htm

    theres a 400ex calc too,,,,,,, they will go 70 ,,, if they have the power to pull it,,,,,,

  8. #8
    Join Date
    Jan 2003
    Location
    NE Arkansas
    --
    2,344
    36 yo, Apple geek, married with kids, conservative. If you are a GUN OWNER and not a member of the NRA, SHAME ON YOU! JOIN!

    Gun control is not about guns, it's about CONTROL!

    My Rags
    85 ATC70,85 ATC70,85 ATC110,83 ATC185S,85 ATC250ES,02 400EX,04 Polaris ATP 500
    Past rags:2000 Scrambler 400, 86 350X, 86 250R, 84 200S, 97 ATK260LQ

  9. #9
    Join Date
    Mar 2006
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    Quote Originally Posted by cragster
    I bought a 14T front. I found a 36 rear i would of bought if i didnt get the 14 tooth front. The only way i would buy the 36 rear and 14 front is if i have 18s or 20s on the back and a custom 10 inch rim up front with a smaller tire to be smaller all the way around. But that costs money and trust me, im not made of it! lol

    The 200x one didnt fit. The holes didnt match up
    Where did you find the 36 tooth rear sprocket?

  10. #10
    Join Date
    Sep 2005
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    ebay is where i found it. i only saw one and its the only one i had seen since
    '86 200x

  11. #11
    HRC1 is offline At The Back Of The Pack Arm chair racerFirst time rider
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    Did that rear sprocket fit???
    I thought i read that 200x sprockets didnt fit but a 300 ex sprocket would. I searched a couple weeks back and couldnt find the post anywhere....
    If it did fit what year 200x was it for?

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