Description
A worn or damaged piston directly compromises combustion efficiency, throttle response, and overall engine longevity—making piston replacement a critical maintenance item for any YZF-R1 owner serious about performance. The Wiseco 451M08550 delivers OEM-equivalent fitment with high-silicon alloy construction that withstands the demands of both track days and aggressive trail riding. This complete kit arrives with rings and circlips, streamlining your rebuild and getting you back on the bike faster.
- High-silicon alloy
- 0.50mm oversize
- YZF-R1 1998–2025 compatible
- Includes rings, circlips
- Precision-engineered fit
- Racing and trail rated
- Complete rebuild kit
- Bolt-on installation ready
