120/80 or 120/90-19 results on yz450f

I plan to try the wider 120 width tire on my yz450f. I realize the 120/80 (96mm tall) is much closer to the stock tire height (99mm) vs. the 120/90's 108mm height. Anyone have any experience going to a wider rear tire? Any performance or clearance issues?

I run 120's exclusively with no problems.

A lot of people are running the 120's on there 450's with great results!

I run the 120/90x19 Maxxis IT. Works real good.

I run the 120/90x19 Maxxi's also and love 'em,pretty reasonably priced from Rocky mtn too.

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