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Atv tire size

Discussion in 'All Terrain Vehicles' started by 97_tacoma, Apr 26, 2010.

  1. Apr 26, 2010 at 4:28 PM

    97_tacoma [OP] Member

    Mar 4, 2009
    I recently bought my first atv. It is a 1985 Kawasaki Bayou 185. It is missing a front tire, and while looking at the tire it has I found something interesting. The front tire size is 21x9x8, the interesting thing is it's mounted on a 9" diameter wheel.
    I always thought the last number in tire size was supposed to be the wheel diameter. Is it common practice to mount 21x9x8 tire on a 9" diameter wheel? The tire is not losing any air and doesn't look strange. Any insight would be appreciated.
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