Description
The stock piston in your YZ450F experiences extreme thermal and mechanical stress during high-RPM operation, leading to power loss and accelerated wear. The Wossner 8630DA replaces this weak link with a precision-forged component engineered for sustained performance, delivering measurable gains in throttle response and engine longevity. If you’re serious about reliability and peak power delivery, this kit is the foundation your build needs.
Complete piston assembly ready for installation, featuring OEM-spec bore diameter (94.96mm) and compression ratio (12.3:1) optimized for your 2006-2009 YZ450F. The 4032 T6 forged aluminum alloy resists thermal fatigue and deformation under extreme combustion pressures, while the permanent skirt coating reduces friction losses throughout the power stroke. German engineering and finite element analysis ensure every dimension contributes to reliability.
- 4032 T6 forged aluminum
- 94.96mm bore diameter
- 12.3:1 compression ratio
- Permanent skirt coating
- T6 heat-treated
- Includes rings, pin, clips
- Finite Element Analysis optimized
- Yamaha YZ450F 2006-2009
- MPN: 8630DA
- Reduced friction design
- German precision-engineered
- Bolt-on installation
