Boyesen 665 High Performance Power Reed - Black - Upgrade Your Dirt Bike & ATV Engine for Maximum Airflow & Acceleration | Perfect for Motocross, Trail Riding & Off-Road Racing

Boyesen Power Reeds use a patented dual-stage fiberglass design for more airflow, more air velocity and more overall power. This item fits the following applications: 1998-2011 KTM 65 SX, 2001-2008 KTM 50 Mini Adventure, 2002-2007 KTM 50 SX Pro Junior LC, 2001-2007 KTM 50 Senior Adventure, 2001-2006 KTM 50 SX Pro Senior LC, 2000-2003 KTM 50 Junior Adventure.

For Beta Techno 250 all models; Cagiva 125 (3 petal) all models; KTM 50 Junior Adventure/Senior Adventure 2001-2008; KTM 50 Pro Junior/Pro Senior 2001-2008; KTM 65 SX 1998-2008

Power reeds use a patented dual stage fiberglass design for more air flow, more air velocity and more power

The top reed is lightweight and resilient for crisp throttle response at partial throttle or low RPMs; the stiffer, bottom reed is ported to provide maximum flow and horsepower at higher RPMs

Longer overall life Boyesen power reeds outlast all other aftermarket reed petals

Minor change gives major horsepower improvements and fuel economy