Kawi calls for a 100/90/19 rear tire on the 250f. Dropped a wheel off at a place today, ran some errands, and came back and picked it up at closing time. Ends up they put on a 110/90/19.

Any problem running this tire???

Guess I could have added this, my son rides MX only. Thanks

it will be fine... just heavier... wider.... so it will have more of a roll feel to it.. some people like that feeling...

100/90/19 needs a 1.85 rim.
110/90/19 needs a 2.15 rim.

Im running a 120/80/19 on my 450 (2.15 rim) right now. lower profile but wide tire.

A 110/90/19 is alot of tire for a 250f to be pulling.

Agree with Eric. 250F.
110/80/19 for most tracks and conditions
100/90/19 for deep sand and mud.
The first wider for grip and second to keep the RPM's up. These tire sizes were recommended to me from Broc G. of Dunlop.
We also run 120/80/19 on the 450f for most conditions.
Alway run a good bead lock, especially with the 110.