Description
Features
- Laboratory flow analysis proves Boyesen® dual-stage reeds out-perform standard reeds
- They permit greater flow velocity over the entire range of operating pressures
- Increased performance from start-up to top acceleration
| Position | Notes | |||
|---|---|---|---|---|
| 1990, 1991, 1992, 1993, 1994, 1995, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018 | KTM | 500 EXC | - | - |
| 2012-2016 | KTM | 500 XC-W | - | - |
| 2011-2016 | KTM | 500 EXC Six Days | - | - |
| 1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1994, 1995, 1996, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015 | KTM | 440 MXC | - | - |
| 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015 | KTM | 550 SX | - | - |
| 1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1994, 1995, 1996, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2018 | KTM | 440 EXC | - | - |
| 1994, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015 | KTM | 500 SXR | - | - |
| 1992-1995 | KTM | 550 MX | - | - |
| 1970, 1971, 1976, 1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1994, 1995, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016 | KTM | 440 SX | - | - |
| 1986, 1988, 1989, 1990, 1991, 1992, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015 | KTM | 500 LC4 | - | - |
| 1998-2017 | KTM | 500 XC-F | - | - |
| 1982-2015 | KTM | 550 MXC | - | - |
| 1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1994, 1995, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015 | KTM | 440 LC4 | - | - |
| 1989, 1990, 1991, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015 | KTM | 500 LC4 MX | - | - |
| 1989, 1990, 1991, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015 | KTM | 500 LC4 EXC | - | - |
| 1998-2017 | KTM | 500 SC-W | - | - |
| 1983-1984 | KTM | 504 GS | - | - |
| 1985, 1986, 1988, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015 | KTM | 500 MXC | - | - |
| 2012-2015 | KTM | 500 EXC-W | - | - |
| 1981, 1982, 1983, 1984, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015 | KTM | 495 MX | - | - |
| 1998-2019 | KTM | 500 EXC-F | - | - |
| 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015 | KTM | 500 MX | - | - |
| 1998-2018 | KTM | 500 XCF-W | - | - |
| 1989, 1990, 1991, 1993, 1994 | KTM | 350 LC4 | - | - |
| 1983, 1984, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015 | KTM | 495 MXC | - | - |
| 1998-2016 | KTM | 500 XCR-W | - | - |
| 1982-2017 | KTM | 500 SX | - | - |
| 1983, 1985, 1994, 1995, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017 | KTM | 500 XC | - | - |
| 1987-1997 | KTM | 350 EXC | - | - |
| 1989 | KTM | 500 DXC | - | - |
| 1986-1989 | KTM | 300 EXC | - | - |
| 1990-1993 | KTM | 540 DXC | - | - |
| 1991-1996 | KTM | 550 DXC | - | - |
| 1990 | KTM | 350 EGS | - | - |
| 2017-2019 | KTM | 500 EXC-F Six Days | - | - |
| 1983-1984 | KTM | 504 MX | - | - |
| 1986-1987 | Can-Am | 500 ASE | - | - |