BOYESEN Manifold with reed valve housing Yamaha YZ250

Boyesen, a company founded in 1972, offers the most advanced suction solutions available for two-stroke engines. Thanks to continuous research and development processes, field tests, and feedback from buyers, the company ensures the highest quality standards in the production of Boyesen reeds and reed valves. With brands like Kawasaki and Yamaha using Boyesen technology on their motorcycles, the list of top riders using these products for reliability and performance is a long one: from John Dowd to Bob Hannah, Jeremy McGrath, Chad Reed, James Stewart, and Ryan Villopoto. Boyeson reeds, reed valves, casing covers, and many other products allow all bikers to add performance and value to their motorcycle. From the design to the manufacturing of the products, Boyesen is looking for new materials and improved designs that can increase client satisfaction and enjoyment while riding their motorcycles.