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 brands: Polaris, Ski-doo, Sea-Doo, and 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.
2026 Polaris(R) Sportsman 850 TrailTake Your Journey To The Top.Features may include:SMOOTHRISE ABOVE OBSTACLES:Rise to trail challenges with a superior 12" of ground clearance, providing ample space to overcome obstacles.TAME MORE TERRAIN:Our legendary independent rear suspension reduces the impact of rough terrain, isolating you from bumps and vibrations for a smoother, more comfortable ride.LESS FATIGUE, MORE FUN:Multi-select EPS with customizable levels of steering assist enables effortless handling--reducing body fatigue, boosting stamina for extended rides.STRONGPULL AND TOW MORE:Easily haul heavy loads with an impressive 1,500-lb. towing capacity. Sportsman 850 Trail also features a 3,500 LB winch with synthetic rope for even more pulling power.REV UP RELIABILITY:Extreme cold, heat or precipitation won't slow you down, thanks to the power of our 30 A.H. battery and the quick-start reliability of electronic fuel injection (EFI).POWER THROUGH:Confidently chase thrills with a robust 78-hp engine. Perfect for chasing adventures and tackling tough tasks, it delivers the power you need for work and play.VERSATILEEXTEND YOUR DAY LED:Pod and headlights enhance visibility while cornering, enabling you to confidently keep riding beyond sunset. LED lighting available on Premium and Trail trims.EASILY ACCESSORIZE:Get more from your Sportsman with a wide range of accessories. Easily customize and optimize for work, play, or the pursuit, in any season.TAKE MORE WITH YOU:Bring everything you need for the job, hunt or ride, with steel-reinforced racks that boast a 360-lb. capacity. The 2026 Polaris Sportsman 850 Trail stands out with its purpose-built Prostar 4-stroke SOHC twin cylinder engine delivering 57 hp in a liquid-cooled 850 cc heart. Paired with a one-touch on-demand AWD/2WD drive system and an engine braking system (EBS) with Active Descent Control (ADC), this ATV is ready to tackle mixed terrain with confidence. Its compact yet capable chassis rides on 27 x 9 Pro Armor X-Terrain front tires and 27 x 11 rear tires, wrapped around a durable suspension setup designed for real-world trail use. On the trail, capability is defined by balance and control. The front suspension uses a sealed high-clearance arched dual A-arm, with 9 inches of travel, while the rear delivers 10.2 inches of travel with a sealed, high-clearance arched dual A-arm and rolled independent rear suspension. Braking is precise, with 3-wheel hydraulic discs at both ends controlled via a single lever. The Sportsman 850 Trail has a 5.25-gallon fuel tank and a curb weight of 979 pounds, supporting a payload of 575 pounds and a towing capacity of 1500 pounds, making it practical for gear and tasks off the beaten path. For everyday use, the seat height sits at 3.08 feet and the wheelbase spans 4.42 feet, contributing to a balanced ride. Inside, comfort and construction come together in premium fashion. The Premium cut and sew saddle seat adds a refined touch to a rugged build, while the dry weight is 933 pounds for a nimble feel when loaded. The drivetrain includes an automatic PVT transmission with inline shifting for P, R, N, L and H modes, ensuring smooth transitions across varying loads. The rear rack offers up to 240 pounds of capacity, and the compact profile makes it versatile for weekend adventures and daily chores alike. View the Polaris SPORTSMAN 850 TRAIL at Vallely Sport & Marine.