Boyesen Power Reed Trial Beta Rev3 125-200 00-08 Engine Service - Not machine washable

- Not machine washable

KTM 250 XC 2003-2008

Neck ribbing

comfort and innovative technology the SIERRA Helmet from O'NEAL combines everything in a strong overall package

Boyesen Power Reed Trial Beta Rev3 125-200 00-08 Engine Service - Not machine washableOne reed petal is NOT enough! Boyesen's revolutionary dual stage reed design delivers more usable power than stock. Stock single stage reeds operate most effectively within a relatively narrow RPM range and are limited because of the single stage design. Boyesen's one soft reed on top of one firm flow through reed gives you a wide range of intake control, plus increased intake velocity. Your original reeds can't possibly duplicate that performance.