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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:

  • Set your ride apart from the rest with the ultimate look in race performance
  • Lightweight factory clutch covers provide years of outstanding protection; guaranteed not to warp
  • Individually surfaced for a perfect, leak-free fit
  • Super-tough, powder-coated finish resists weathering and wear and tear
  • Asbestos-free gasket is bound with nitrile for tight, leak-free seal
  • OEM paper gaskets can be reused, or use the supplied O-ring
  • Available in silver/black, black, orange and magnesium

*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):

2005HondaCRF450X
2006HondaCRF450X
2007HondaCRF450X
2008HondaCRF450X
2009HondaCRF450X
2012HondaCRF450X
2013HondaCRF450X
2014HondaCRF450X