Boyesen Rad Valve - RAD-41C / RAD41C

Now delivered with carbon fiber reeds for even greater performance gains

Maintains flow velocity through the valve and redirects intake charge for more even distribution to the intake ports

Sharper, quicker throttle response

Added torque improves performance on hills, through corners and over technical jumps

Increases horsepower in low-, middle- and especially the top-end ranges

One-piece aluminum casting, no trimming or plastic inserts required

KTM

125 EGS 1998 - 1999

125 EXC 1998 - 2016

125 EXE 2000 - 2001

125 Sting 1998

125 SX 1998 - 2016

125 SXS 2000 - 2007

150 SX 2009 - 2010

200 EXC 1998 - 2006

200 SX 2003 - 2004

200 XC 2006 - 2008

200 XC-W 2006 - 2008