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: 2006 Yamaha YFS200 Blaster, 2005 Yamaha YFS200 Blaster, 2004 Yamaha YFS200 Blaster, 2003 Yamaha YFS200 Blaster, 2002 Yamaha YFS200 Blaster, 2001 Yamaha YFS200 Blaster, 2000 Yamaha YFS200 Blaster, 1999 Yamaha YFS200 Blaster, 1998 Yamaha YFS200 Blaster, 1997 Yamaha YFS200 Blaster, 1996 Yamaha YFS200 Blaster, 1995 Yamaha YFS200 Blaster, 1994 Yamaha YFS200 Blaster, 1993 Yamaha YFS200 Blaster, 1992 Yamaha YZ80, 1992 Yamaha YFS200 Blaster, 1991 Yamaha YZ80, 1991 Yamaha YFS200 Blaster, 1990 Yamaha YZ80, 1990 Yamaha YFS200 Blaster, 1989 Yamaha YFS200 Blaster, 1988 Yamaha YFS200 Blaster, 1987 Kawasaki KX80, 1986 Kawasaki KX80.