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Thread: Big red gear reduction

  1. #1
    Join Date
    Feb 2010
    Location
    Jackson, NC
    --
    106

    Big red gear reduction

    I see it is common to use an early big red 250 primary gear reduction in a 450 foreman for a reduction for bigger tires. Has anyone used the 450 primary gear in a big red? If it is geared taller would it have more top end? I do a lot of road riding from farm to farm and if I had more speed that would be awesome.
    Last edited by 8586bigred; 10-10-2014 at 03:02 PM.

  2. #2
    Join Date
    Feb 2014
    Location
    Victoria,Australia
    --
    878
    Less bottom end grunt more top end speed
    73 atc 70
    84 ytm 200ern
    79 atc 70
    ytm 225 dr
    atc 90
    80 atc 110
    klt 250A
    84 atc 200es
    85 atc 250es

    gone but not forgotten restored 82 atc 70

  3. #3
    Join Date
    Feb 2010
    Location
    Jackson, NC
    --
    106
    I understand the concept. I was wondering how much reduction in top end speed the foreman has with a big red gear reduction. That would give me an idea about how much top end I would gain in a big red with the foreman gear reduction.

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