38mm Flat Slide Carb Air Filter suggestions

[thestud25]

I need a suggestion, or possible link for an air filter to run on this carb. I am running it on a 1986 ATC 250r.

[3 Wheel Drive]

In the Yamaha Wrench Report they suggest using a K&N Filter #RC2000, I'd imagine it should work just fine on another 250R.

http://www.quadpit.com/mags/1985/3-4w-action/yam-wrench-report-01.htm

[250rRoostmaster]

K&N with outerware