Fits CRF/XR50, CRF/XR70, CRF/XR80, and CRF/XR100 to eliminate the 9800 rpm rev limiter and provides a hotter advance curve. Eliminates the 9800 rpm rev-limiter...
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88cc Big Bore kit,20mm Carburetor kit, and Race Cam Performance Kit: – Lightweight aluminum cylinder with steel sleeve– Cast in mounts on cylinder for...