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 Yamaha TT-R230EASY TO RIDEEasy to ride and easy to maintain, the super-capable TT-R230 delivers proven performance.Features may include:Broad, Accessible PowerbandYZ-inspired looks with a stout 223cc air-cooled SOHC four-stroke produces predictable, broad power making the TT-R230 a great choice for both beginner and intermediate riders.Racing-Derived ErgonomicsThe competition-style flat seat and tank junction position the rider for greater mobility.Convenient Electric StartWith a simple push of a button, the electric start makes getting started a breeze. The 2027 Yamaha TT-R230 stands out with its robust, air-cooled SOHC 4-stroke engine and a compact 223cc displacement that delivers practical, approachable power for trail riding. This single-cylinder setup uses a carburetor induction and a 9.5:1 compression ratio to balance throttle response with steady torque. The drivetrain teams a constant-mesh 6-speed transmission with a multiplate wet clutch and a chain final drive, giving you precise shifting and durable performance on variable terrain. The Yamaha TT-R230 is built for rugged practicality and rider confidence. It features a telescopic front fork with 9.4 inches of travel and a rear single shock with 8.7 inches of travel to soak up bumps while keeping the wheel planted over roots and rocks. The chassis rides on 21-inch front and 18-inch rear tires, with a wheelbase of 4.54 feet and a seat height of 2.86 feet to keep riders in a balanced, confident stance. A compact fuel tank at 2.1 gallons enables extended sessions between top-offs, while the bike's overall weight of 251 pounds contributes to nimble handling in tight corners and technical sections. From the trail to the practice track, this machine emphasizes build quality and practical control. Its front brakes reach a stopping distance of 721.78 feet, with the rear brake capable of 426.51 feet, providing predictable halts when descending grades or navigating steep switchbacks. The TT-R230 measures 6.77 feet in length and 3.88 feet tall, with a width of 2.63 feet, underscoring its compact, rider-friendly footprint. View the Yamaha TT-R230 at Vallely Sport & Marine.