Description
Features
- Enhanced piston pin oiling slots, radial boss machining, and annular grooves for improved wrist pin lubrication
- Lightweight piston with a tight piston wall clearance for a quieter running engine
- Skirt coated for reduced friction and improved break in performance
- Ring land treatment for improved ring seal and oil control
- Double bridged forging design where noted
- Kit includes piston, rings, wrist pin and pin locks
| Position | Notes | |||
|---|---|---|---|---|
| 2007-2008 | Yamaha | YFZ450 SE | - | - |
| 2004, 2005, 2006, 2007, 2008, 2009, 2012, 2013 | Yamaha | YFZ450 | - | - |
| 2009-2024 | Yamaha | YFZ450R | - | - |
| 2009-2024 | Yamaha | YFZ450R SE | - | - |
| 2010-2011 | Yamaha | YFZ450X | - | - |
| 2006 | Yamaha | YFZ 450 SE 4x2 | - | - |
| 2004-2005 | Yamaha | YFZ 450 LE 4x2 | - | - |
| 2006-2007 | Yamaha | YFZ450 Bill Balance Edition | - | - |
| 2011 | Yamaha | YFZ450X SE | - | - |
