i don't suppose theres any issues with axle sizes,ie if 250M's is couple mm bigger,&200 smaller,swapping bearings out might be tad tricky,+ xr200's tad narrow i would imagine for filling up your s/arm space,& as for "cush drive" expectations (word for the day
![Wink ;)](http://forum.ozvmx.com/Smileys/default/wink.gif)
),pretty basic setup in recessed rubber sleeves,still better than none i guess??,
![Tongue :P](http://forum.ozvmx.com/Smileys/default/tongue.gif)