Description
A worn or stock piston limits your YZ450F’s potential—this Wiseco kit restores and exceeds OEM performance with a higher 12.5:1 compression ratio that unlocks measurable gains in peak horsepower and mid-range torque. The precision-engineered 97mm piston and ring set are designed specifically for 2014-2017 models, ensuring a flawless fit without machine work. If you’re serious about maximizing your machine’s capability on the track or trail, this is the bolt-on upgrade that delivers real results.
- Wiseco piston kit
- MPN: 40111M09700
- Yamaha YZ450F fitment
- 2014–2017 model years
- 97mm bore diameter
- 12.5:1 compression ratio
- CNC-machined construction
- High-performance ring coating
- Reduced piston weight
- Friction-minimizing design
- Bolt-on installation
- OEM-equivalent durability
