Hot Cams Stage 2 Exhaust Camshaft | Yamaha YFZ450R/X (4289-2E)
- High-performance racing camshaft
- Stage 2 cams provide more peak horsepower
- Features Hot Cams Improved Throttle Design (ITR) technology; these cams improve throttle response throughout the entire rpm range while providing excellent power gains through the mid-range and top-end
- 107° exhaust cam lobe center
- 262° exhaust cam lobe duration at 1mm
- 9.140mm exhaust cam lobe lift
- 0.220mm exhaust cam valve lash
| Compatible Vehicles | |||
| Years | Make | Make | Notes |
| 2009-2021 | Yamaha | YFZ450R | |
| 2016-2017 | Yamaha | YFZ450R Special Edition | |
| 2017-2021 | Yamaha | YFZ450RSE | |
| 2009-2015 | Yamaha | YFZ450RSE Special Edition | |
| 2010-2011 | Yamaha | YFZ450X | |
| 2010 | Yamaha | YFZ450X Bill Balance Edition | |
| 2011 | Yamaha | YFZ450XSE Special Edition | |