BOYESEN RAD VALVE 05-19 YZ250, BLOCK RAD-34J

Boyesen Rad Valve - RAD-34J / RAD34J

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

Yamaha

YZ250 2005-2019

YZ250X 2016-2019

Yamaha

2019 Yamaha YZ250

2018 Yamaha YZ250

2017 Yamaha YZ250

2016 Yamaha YZ250

2015 Yamaha YZ250

2014 Yamaha YZ250

2013 Yamaha YZ250

2012 Yamaha YZ250

2011 Yamaha YZ250

2010 Yamaha YZ250

2009 Yamaha YZ250

2008 Yamaha YZ250

2007 Yamaha YZ250

2006 Yamaha YZ250

2005 Yamaha YZ250

2019 Yamaha YZ250X

2018 Yamaha YZ250X

2017 Yamaha YZ250X

2016 Yamaha YZ250X