Specs

From the dealer's page

There are very few sounds that can't be beaten. The crack of a soda can on a blistering hot day. The ping of the perfectly executed golf shot. And the scream of a 125 cc 2-stroke charging down a long straightaway. The 2025 KTM 125 SX takes its leads directly from the Factory Racing team and puts them to work like nothing else. Like the sound it makes, it cannot be beaten. KTM Off-Road Dirt Bikes For Sale in Marietta, OH | Big Hometown Motorsports Are you ready to claim the holeshot or dominate the local single-track? As an authorized KTM dealer, Big Hometown Motorsports in Marietta, Ohio, is your ultimate source for the industry’s most advanced off-road motorcycles. Engineered with a relentless racing pedigree, KTM dirt bikes are built for riders who demand ultimate agility, lightweight construction, and explosive power delivery. Whether you are a competitive racer tracking down a championship or a weekend warrior hitting the Appalachian trails, we carry a premier selection of new and pre-owned KTM off-road models. We proudly serve dirt riders throughout Southeastern Ohio and Western West Virginia, including nearby Parkersburg, Athens, Zanesville, Cambridge, and Morgantown. Dominate Every Track and Trail Our KTM off-road inventory features championship-winning machines built for every type of terrain: Motocross (SX / SX-F): High-revving four-strokes and razor-sharp two-strokes engineered to conquer local tracks with class-leading power-to-weight ratios and advanced WP suspension. Cross Country (XC / XC-F): The ultimate closed-course weapons designed to handle the high speeds, tight woods, and demanding terrain of GNCC and local hare scrambles. Enduro & Dual-Sport (XC-W / EXC-F): From ultra-capable trail machines to street-legal dirt bikes, these models feature fuel-injected performance and rugged durability to handle technical climbs, rock gardens, and mud. Off-Road Performance Parts & Service At Big Hometown Motorsports, we support your ride from the showroom floor to the podium. Our parts department is fully stocked with genuine KTM PowerParts, off-road protective gear, and track essentials. Plus, our factory-trained service technicians specialize in precision engine tuning, suspension setups, and routine maintenance to ensure your bike is always #ReadyToRace. Browse our in-stock KTM dirt bike inventory online, get pre-approved with our flexible financing options, or visit our Marietta showroom today!