Shop Side x Sides Serving the Tri-State area since 1970, Thornton's Motorcycle Sales offers new Honda, Suzuki, Kawasaki, Can Am, and Kymco products, plus a huge selection of preowned motorcycles, ATVs and side by sides of these brands and more! Check out the large inventory of nice preowned Harley Davidson inventory at our Madison location! (We've had many customers come in and ask where the used Harleys are. They're all used, but they just look so great that people assume that they're new!) Whether you're looking for a new or used ATV, motorcycle, or side by side, or you need parts, accessories, or service; we'll be happy to help! Selected Used Inventory - Many more available!2016 MONGOOSE 2702015 FLTRX2015 XL1200C - Sportster 1200 Custom2015 Scout2015 KX 450F2015 MONGOOSE 902014 Wildcat Trail2014 CB11002014 VERSYS2014 Z1000 ABS2014 MXU 1502014 KINGQUAD 500AXI Power Steering2014 POWERMAX 1502014 FZ-6R2014 YZF-R11997 Harley-Davidson® XL883 Hugger Trike (Harley-Davidson®)2001 Harley-Davidson® XL1200C (Harley-Davidson®)2005 Harley-Davidson® FLHT - ELECTRA GLIDE (Harley-Davidson®)2005 Harley-Davidson® FLSTF - Fat Boy (EFI) (Harley-Davidson®)2013 Kymco MAXXER 450I (Kymco)2015 Honda NC 700X (Honda)2014 Honda CB 1100 (Honda)2016 Sport Haven Trailers AUT612 (Sport Haven Trailers)