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Thread: 300exc gearing

  1. #1
    Join Date
    15th October 2006 - 10:23
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    11' 300 EXC
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    Wellington
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    300exc gearing

    Hi all

    Have an 07 300exc which currently has a 14 - 50 gearing

    when they are due i am thinking of getting a 13 for the front.

    what are your opinions? is 13 - 50 they way to go?
    or 13 - 48??

    at the moment with 14 - 50 its doing over 140km\h!
    dont really need this

    cheers

  2. #2
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    9th May 2007 - 16:10
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    What kind of riding are you doing?? And what ids the terrain e.g tight forest, open trails/farmland, MX track etc?

  3. #3
    Join Date
    2nd September 2008 - 22:18
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    Quote Originally Posted by Rmxer View Post
    Hi all

    Have an 07 300exc which currently has a 14 - 50 gearing

    when they are due i am thinking of getting a 13 for the front.

    what are your opinions? is 13 - 50 they way to go?
    or 13 - 48??

    at the moment with 14 - 50 its doing over 140km\h!
    dont really need this

    cheers
    on my old 2005 300 i was running 13/52. then changed to 14/52. good for the forest but lacked top speed on the open rides.
    SHE LOOKED UP AT ME WITH BLOOD IN HER EYES
    THEN HER SKIN FELL OFF
    AND SHE PROMPTLY DIED
    IT WAS EBOLA, LA LA LA EBOLA

  4. #4
    Join Date
    15th October 2006 - 10:23
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    i do all of the riding mentioned above!

  5. #5
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    9th May 2007 - 16:10
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    Lucky you've got 6 gears then. You do have 6 gears?

  6. #6
    Join Date
    7th February 2007 - 10:09
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    03 KTM200 EXC, 04 KTM525 EXC, 98 YZ400F
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    The best option is to have both a 13 and a 14 tooth on hand to try out - front sprokets are cheap enough.

    I do this on my KTMs - I've found in very general terms that going between a 13 and a 14 tends to "split" gears - for example, when going from a 13 to a 14, second gear ends up roughly in between where second and third were with the 13.

    Make sure when you replace your chain/sprockets, when you cut the chain to length, that you leave enough travel on the adjuster to accommodate both sprockets. You should be able to swap sprockets without removing the chain and rear wheel. All you need to do is readjust the chain.

  7. #7
    Join Date
    7th February 2007 - 10:09
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    03 KTM200 EXC, 04 KTM525 EXC, 98 YZ400F
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    Quote Originally Posted by Anthrax View Post
    Lucky you've got 6 gears then. You do have 6 gears?
    The 300 is a 5 speed.

  8. #8
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    24th May 2008 - 21:24
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    was just discussing the same thing for dads 350f.
    if you put a 13 tooth on the front it will make the bike more aggressive and require more throttle control, it will want to wheel stand a lot more, not necessarily a bad thing tho. basically it will make the bike more responsive with a 13 tooth front wheras the 14 smoothes it out more. btw $30 for a 13 tooth front from triple x moto
    we may just go where no ones been

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