Description
Whether you’re rebuilding a TT-R90 for trail duty or maximizing performance in the dirt bike circuit, an OEM-spec piston kit is essential for reliable power and cylinder longevity. The Wiseco 47mm 11:1 compression piston delivers the precision engineering and durability expected from a leading manufacturer, ensuring consistent performance across seasons of hard riding. This is a bolt-on solution that restores—or enhances—your engine’s core performance without compromise.
- Bore diameter: 47mm
- Compression ratio: 11:1
- Vehicle fitment: Yamaha TT-R90 (2000–2007)
- Manufacturer: Wiseco
- MPN: 4840M04700
- Material: Premium alloy
- Piston design: High-performance standard
- Weight: Lightweight construction
- Installation: Bolt-on
- Gasket kit: Sold separately
- Application: Engine rebuild or upgrade
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