Boyesen Pro Series Reeds - PRO-218 � - Get the edge of Boyesens patented dual-stage reed design plus the latest in carbon fiber technology - Carbon fiber top reed and a durable fiberglass/epoxy bottom reed - Features the quickest acceleration any reed can offer while maximizing horsepower and torque - Quick and precise response to changes in piston speed delivers smooth, dependable throttle response - You wont sacrifice reed life as you might with traditional carbon fiber reeds - Created for the newest 2-stroke technologies Sold as Pairs � 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 � Part No. 05-P218 � � � � Majority of our listings are for a direct replacement for your original part. Our parts are made of quality and are designed to meet or exceed the original OEM Standards. Our products are often a cost effective alternative to genuine OEM Parts. Please note: the models of bike we state in our listings are for general guidance only. Please make sure this item will fit your bike before purchasing. Also, we cannot guarantee fitment to any non-UK models.