The air cleaner is easily accessible in a couple of minutes without dismantling the bike, and it's not recommended to try and clean paper filter elements. You may get the loose stuff off, but the filter will be full of fine dirt that won't come out easily. Replacing the filter once during the life of the bike is more than most Rebels ever get.
2004 Rebel 250, 2003 BMW K1200GT (roadburner), 2004 BMW R1200GS(all purpose),
1996 Ducati 900SS CR (California Bike), 1973 Norton Interstate (in a box in the basement)