Welcome to Vallely Sport & Marine, North Dakota's only Five Star Certified, and Boating Industry Top 100 sport & marine group offering two premier locations in Bismarck, North Dakota and Minot, North Dakota.
We specialize in sales of boats, pontoons, ATVs, motorcycles, snowmobiles, and personal watercraft (PWC). In both of our showrooms you will find the best boat and pontoon brands in the industry; Sea Ray, Bayliner, Lund, Skeeter, Bennington, Moomba, MasterCraft, and Yamaha. You will also find the leading powersports brand, Yamaha Motor Corporation, USA.
Our Parts & Accessories departments are fully stocked with marine and powersports accessories to make your experience the best. Our trained Service Department offers top notch customer service, full maintenance, and repair of new and pre-owned boats, all-terrain vehicles (ATVs), motorcycles, personal watercraft (PWC), and snowmobiles.
Vallely Sport & Marine is celebrating over 39 years in business, serving all of North Dakota, Northern South Dakota and Eastern Montana.
The 2027 Yamaha YZ250F stands out with its 250cc liquid-cooled DOHC 4-stroke engine and Mikuni fuel injection, delivering precise throttle response through a 44mm intake that keeps power predictable across the RPM range. The front and rear suspension are tuned for aggressive trail rhythms, featuring a KYB Speed-Sensitive System inverted fork with 12.2 inches of travel up front and a KYB single shock with 12.3 inches of travel at the rear. A 1.6 gallon fuel tank keeps you on the trail longer, while the lightweight chassis is designed for nimble handling in tight sections and open-air berms alike. Capability is defined by a compact, race-ready stance and a confident drivetrain. The transmission is a Constant-mesh 5-speed with a multiplate wet clutch, enabling crisp shifts and controlled power delivery when you push through corners. The body measures 7.17 feet in length, 2.71 feet in width, and 4.18 feet in height, with a wheelbase of 4.86 feet that balances stability and steering responsiveness. The bike weighs in at a wet 236 pounds, so it remains easy to flick from side to side as you carve your line. Induction comes from a Mikuni 44mm setup that supports clean grinds of high-rev throttle. Premium construction and materials are evident in every detail, from the compact engine packaging to the precision-tuned suspension geometry, designed to maintain rigidity under load while absorbing the abuse of high-speed terrain. The Bore and Stroke are listed at 252.62 ft for both, underscoring the compact, high-rev character Yamaha engineers tuned for track days and cross-country sessions alike. View the Yamaha YZ250F at Vallely Sport & Marine.