Boyesen Engineering offers the most advanced intake innovations available for two-stroke engines. Our Power Reeds, Pro Series Reeds, Rad Valves and other unique products add performance and value to the motorcycle, snowmobile, watercraft and outboard marine industries. At Boyesen, R&D is hands-on, tested in the field, and tied to feedback from the end user. We use the latest computerized testing and manufacturing processes available in the industry. From research through production, Boyesen is committed to using creative concepts, new materials, and better designs that will increase the satisfaction and enjoyment of our customers.

Features:

• Cast from the highest quality aluminum
• Covers come with the gaskets
• Seals perfectly to keep out dirt and moisture
• Gives your bike the factory "WORKS" look

Fitments:

• Yamaha WR250 1991-1997
• Yamaha YZ250 1993-1998