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.
2026 Yamaha Grizzly EPS XT-RADVENTURE READY EXPLORERThis XT-R Edition is ready for extreme adventure with a factory-installed WARN(R) Winch, Special Edition paint, color-matched wheels and aggressive tread Maxxis(R) 'Zilla tires.Features may include:POWERTRAINThe potent big-bore 686cc engine features power delivery, torque and engine character all optimized for recreational riding.High-mounted air intake layout increases power and torque while keeping water, mud and trail debris at bay.Intake design also provides additional room for on-board storage and easy toolless servicing of the air filter.Stainless steel exhaust system and features a screen-type spark arrestor for great power with minimum noise output.Featuring Yamaha's Ultramatic(R) transmission, the industry's most advanced and durable CVT drive system.Grizzly EPS XT-R's Ultramatic(R) transmission features a gated shifter, dual-range (Hi/Lo) drive, plus reverse gear.CHASSISLong-travel shocks, wide-arc A-arms and full-body skid plates ensure the Grizzly EPS XT-R is ready to go wherever you are.To handle nearly any terrain with ease, the Grizzly EPS XT-R offers an impressive 11.8-inches of ground clearance.An independent double wishbone suspension serves up 7.6 inches of front wheel travel and 9.1 inches at the rear./p>Nitrogen-charged shocks offering 5-way adjustable preload provide excellent rider comfort on the most challenging trails.Industry-leading speed-sensitive Electric Power Steering provides excellent control and trail feel, along with reduced fatigue.Four-wheel hydraulic disc brakes offer consistent stopping power with unmatched braking feel.ADDITIONAL FEATURESXT-R package includes WARN(R) winch, aluminum wheels and 27-inch Maxxis(R) 'Zilla tires, painted bodywork and XT-R graphics.The Grizzly EPS XT-R features an instrument cluster with large all-LCD readouts for visibility.LED headlights and taillight uses less power, creates brighter, sharper illumination and offers lifetime durability.A handlebar-mounted halogen work light provides additional illumination that moves with rider input for excellent visibility.Three on-board storage compartments keep things secure.A convenient 12V power point comes standard for keeping devices charged. The 2026 Yamaha Grizzly EPS XT-R stands out with its high-output 686cc SOHC 4-stroke engine and liquid cooling, delivering robust performance that meets demanding trails and shooters alike. The powertrain pairs with Ultramatic V-belt transmission featuring all-wheel engine braking and a versatile H, L, N, R, P layout, while the On-Command 3-way locking differential offers 2WD, 4WD, or locked 4WD for confident traction in varied terrain. This ATV's core is built for precision and durability, ready to tackle backcountry challenges with controlled, ride-ready confidence. In terms of capability, the suspension demonstrates premium tuning with independent double wishbone front and rear setups, 5-way preload adjustment, and travel of 7.6 inches at the front and 9.1 inches at the rear, complemented by dual hydraulic disc brakes for strong, consistent stopping power. The chassis rides on tires measured at 45.93 feet, with a wheelbase of 4.1 feet and a seat height of 3.05 feet, all contributing to steady handling across uneven ground. The engine breathes through a 10.0:1 compression ratio and a displacement of 686cc, with splash-free cooling and a rugged shaft-driven drivetrain that keeps power transfer smooth and predictable. The fuel tank holds 4.8 gallons, ensuring longer sessions between fills, while the wet weight sits at 783 pounds for a balanced, responsive feel on the move. Designed for a purpose-driven ride, the Grizzly EPS XT-R blends premium materials with a refined ride quality that supports endurance sessions and adventurous weekends alike. Its layout and components are chosen to deliver reliable performance in unpredictable environments, giving riders a true sense of control and capability on every trail. View the Yamaha Grizzly EPS XT-R at Vallely Sport & Marine.