Dirt bikes are growing in popularity every year. We have the best in the field, with Kawasaki and Yamaha lines to choose from. Take one of the bikes for a spin on our own Motocross track out back. You won't be disappointed. Home  |  ATV's  |  Snowmobiles  |  Street Bikes  |  Dirtbikes  |  Royal Enfield  |  G3 Boats  |  About  |  Contact Copyright © 2010 Newport Motorsports. Edit Motocross Info Website design and hosting provided by PHD Consulting, a Maine company.