Well what get's shown the most..... Bikes.
Stickers to put on bikes and vehicles.
Word of mouth
could run ads in the big mags like dirt rider and racer x.
See if you could drop off business card type things at the main product retailers like Dennis Kirk in Rush city, Rocky Mountain ATV/MC, Motosport, Bob's cycle. etc.
of course google will help as we get more threads and spiders browsing
could ask local tracks if you could put a banner up around the tracks.
Post a topic in the local District forums. MN is D23.
www.mxbob.com < could advertise there.
sponsor a rider.
all i got for now LOL
Living Life 1 berm at a time.