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Genuine Boyesen Products:


Boyesen Engineering offers the most advanced intake innovations available for two-stroke engines. Their 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 and D is hands-on, tested in the field, and tied to feedback from the end user. They 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 their customers.


Product Details:

An aero-form reed valve that corrects the problems associated with existing reed valve designs, it maintains flow velocity through the valve and redirects the intake charge for even distribution to the intake ports. Provides quicker, sharper throttle response and more horsepower. Features one-piece aluminum casting; no manifolds to trim or plastic pieces to insert.
  • Boyesen Pro Series RAD Reeds included

*See fitment guide at the bottom of this listing*



About Us:

LeClare Powersports is a small-town Parts and Accessories store in Springfield, MO. Our low overhead allows us to offer better prices than the 'Big Boys', but our owner-operated store allows us to give our customers the great customer service they deserve.

We only sell brand new, high quality GENUINE name-brand aftermarket parts...no junk, no knock offs and no "seconds". Buy with confidence!

Fitment guide (if available):

2008YamahaWR250R
2009YamahaWR250R
2010YamahaWR250R
2011YamahaWR250R
2012YamahaWR250R
2013YamahaWR250R
2014YamahaWR250R
2015YamahaWR250R
2016YamahaWR250R
2017YamahaWR250R
2005YamahaYZ250
2006YamahaYZ250
2007YamahaYZ250
2008YamahaYZ250
2013YamahaYZ250
2014YamahaYZ250
2015YamahaYZ250
2016YamahaYZ250
2017YamahaYZ250
2018YamahaYZ250