Description
A worn or stock piston limits your CR80R’s potential—whether you’re chasing lap times or simply want responsive, reliable power. The Wiseco 643M04700 delivers the strength and precision needed to unlock your bike’s performance while maintaining the durability required for sustained hard riding. This is a direct bolt-in upgrade that serious riders choose when stock internals no longer cut it.
- Material: High-silicon aluminum alloy
- Bore Size: 47mm
- Fitment: Honda CR80R 1986–2002
- Manufacturing: CNC-machined precision
- Construction: Lightweight, thermally stable
- Installation: Bolt-in replacement
- Compression Characteristics: Optimized for stock and modified builds
- MPN: 643M04700









