I run with the lid on, but vented with a whole bunch of those Uni, 1" round vents with filters. If I ran without a lid, it would be just a nice little sandbox in there.

 

ok so i dont think im going to run with out an airbox nemore!any body have alum air box for the lt250r's or has nebody ever seen one? im thinking maby a 400ex or 250r aluminum air box might fit ok,what u think?
scott

 

You do a lot of muddy trail riding Nova?

 

Theres a lil bit of everything here in nova scotia...but i mostly ride old fire roads and gravel pits...and on a very off ocasion ill take it threw some mud...llike on trails and stuff but thats still only 3 inches of mud for like 10 feet...im thinking of making a airbox from sheet metal or alumunim if i can get a tig welder...
scott