Tire size

I was wandering if anyone has put Michelins on a 05 WR 450F. I'm thinking of mounting a pair on my WR. The sizes that I'm looking at are the 130/80-18 for the rear and 90/90-21 for the front. Thanks guys.

M12 front and S12 rear (140/80-18) :D

Ditto the Michelin 140 is like everyone elses 120 size tire.

One more question, has Yamaha changed the width of the swing arm from 2001 to 2005?

130/80 Michelin is the same as a 110 width tire.

Good info! Thanks! I was wondering how that worked since the Michelin tire sizes are different than what is stock.

What about the front tire?

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