Description
Features
- Each Boyesen RAD Valve is unique - tailor made to that model, year and displacement.
- The intake charge is redirected for more even distribution to the intake ports
- Constant flow velocity is maintained for instant throttle response and more horsepower
- One piece design and Easy installation
| 2024 | Yamaha | YZ85 |
| 2023 | Yamaha | YZ85 |
| 2022 | Yamaha | YZ85 |
| 2021 | Yamaha | YZ85 |
| 2020 | Yamaha | YZ85 |
| 2019 | Yamaha | YZ85 |
| 2018 | Yamaha | YZ85 |
| 2017 | Yamaha | YZ85 |
| 2016 | Yamaha | YZ85 |
| 2015 | Yamaha | YZ85 |
| 2014 | Yamaha | YZ85 |
| 2013 | Yamaha | YZ85 |
| 2012 | Yamaha | YZ85 |
| 2011 | Yamaha | YZ85 |
| 2010 | Yamaha | YZ85 |
| 2009 | Yamaha | YZ85 |
| 2008 | Yamaha | YZ85 |
| 2007 | Yamaha | YZ85 |
| 2006 | Yamaha | YZ85 |
| 2005 | Yamaha | YZ85 |
| 2004 | Yamaha | YZ85 |
| 2003 | Yamaha | YZ85 |
| 2002 | Yamaha | YZ85 |