- Boyesen's? patented dual-stage design incorporates a specially shaped top reed and a ported bottom reed
- 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
- Allows replacement of stock reed stop with a Rev-Plate which permits the reeds to open freely and function efficiently
Suzuki -- LT 80 QuadSport -- (1987, 1991, 1995, 1996, 1989, 1992, 1997, 1994, 1988, 1990, 1998, 1993, 2003, 1999, 2001, 2005, 2000, 2006, 2002, 2004, 2010, 2011, 2007, 2009, 2008); Kawasaki -- KSF 80 -- (2005, 2004, 2003, 2006)