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Thread: Where to buy: 250R rear sprocket bigger than 39 tooth??

  1. #1
    Join Date
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    Where to buy: 250R rear sprocket bigger than 39 tooth??

    I'm looking to make a gear change. Where can I get a bigger rear sprocket? Anyone know?
    2007 YAMAHA YTZ450 went to a great home RIP Sam


  2. #2
    Join Date
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    Bikebandit has several lines including JT which are inexpensive and come in all kinds of sizes. Thats where I got my 48T TriZ ones. I ran a 46T on my 86 TRX250R, but you know me.

  3. #3
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    Sprocket speacialists will make ANY sprocket you want at a resonable price.
    And that's the rest of the story. ~ Paul Harvey

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  4. #4
    Billy Golightly's Avatar
    Billy Golightly is offline Always finding new and exciting ways to not give a hoot in hell Catch me if you can
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    Mine came from Sidewinder

  5. #5
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    I've seen ads in the back of dirtwheels for Sidewinder. They claim they'll make any sprocket size. Custom made for "Frankenquads" I think they were calling them. Any hybrids with a need for huge rear sprockets.

  6. #6
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    No luck yet. What retailers carry sidewinder?
    2007 YAMAHA YTZ450 went to a great home RIP Sam


  7. #7
    Join Date
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    If you have a waterjet cutter close they can make you any thing , pm corey he deals with sprocket specialtys.
    Proud owner of a "cornfed" polaris 500 scrambler. . . 4X4
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  8. #8
    Billy Golightly's Avatar
    Billy Golightly is offline Always finding new and exciting ways to not give a hoot in hell Catch me if you can
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    Sidewinder is direct order only, but they shipped fast when I ordered. Looks like their website is gone but I found their # on another site: (630)-513-1000

  9. #9
    hazard's Avatar
    hazard is offline At The Back Of The Pack Arm chair racerFirst time rider
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    sproket specialist or sidewinder, both good, i have experience with both, cut to order sprockets any size, direct order by phone or internet, hope this helps
    Thanks,
    Adam
    ______________________
    1985 ATC350X
    -86 engine and plastics, DG rcm full exhaust, DG grabbar, Moose Carbon Bar, Moose bark busters, UNI air filter, Regina chain, ECA rear brake caliper, 22x11x9 Maxxis Razr 2 tires
    1984 ATC250R
    -Project trike, needs top end rebuilt


  10. #10
    Saleenster's Avatar
    Saleenster is offline At The Back Of The Pack Arm chair racerFirst time rider
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    http://www.sprocketspecialists.com/SprocketMain.aspx

    This is where I got mine as well.

    Last edited by Saleenster; 06-01-2007 at 01:53 AM.

  11. #11
    Join Date
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    Sprocket Specialists. Made in the USA. Many options too. All colors and sizes. Excellent quality. A bit cheaper than Sidewinder although I've used Sidewinder in the past with excellent results too. I just picked up a set of Sprocket Specialists chainwheels for my '86 Tecate.

    Good stuff.
    Attached Thumbnails Attached Thumbnails Tecate Rear Sprocket.jpg  
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  12. #12
    Join Date
    Aug 2002
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    Sidewinder sprockets are good, I have used them in the past on dirtbikes and I think they make nice stuff, it's not cheap as was stated, but it isn't a very good solution for just a rear sprocket. Their sprockets and chains are a slightly larger size, so you really need to get the front one and chain as well from them, I don't think the size difference is probably enough to make it not work, but it isn't going to wear very well I wouldn't think. As stated sprocket specialists has them too, if you are wanting to only go up a couple teeth, say up to 42 or something then you may be able to find someone that carries the cheaper sprockets like moose, or primary drive, jt, sunstar these type ones, but if you are wanting to really go big youll probably have to use sidewinder or sprocket specialists.
    73 cr250m elsinore, 85 atc70, 85 250r flattracker, 87 250es bigred, 86 tecate, 2004 gas gas de300

  13. #13
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    I had them make me 2 sets for my 350x Sidewinder that is and I was very happy with them to date.I sold the ride so the receipt went with it too-sorry.
    http://www.pilotodyssey.com/PO/index.php

    88 TRX LRD,39MM pwk,Durablue+4.Nice rider
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  14. #14
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    Quote Originally Posted by Saleenster View Post
    http://www.sprocketspecialists.com/SprocketMain.aspx

    This is where I got mine as well.

    YES YES, Now thats a nice rear end.....
    All our government does is distract us while they steal from us, misspend our tax $ and ruin our country

  15. #15
    Join Date
    Mar 2005
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    Oregon
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    will a 85 or 86 350x sprocket work

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