Description
A worn or compromised piston directly kills engine efficiency and reliability—the Wiseco 4783M09000 restores both with precision-engineered construction built to handle sustained high-RPM loads. If you’re running a TT500, XT500, or SR500 and want predictable power delivery without compromise, this kit delivers the durability and performance specs your engine demands. Installation is straightforward, and you get everything needed to complete the job in one box.
- Bore: 90.00 mm
- Compression ratio: 9.0:1
- Material: High-grade aluminum alloy
- Manufacturing: Precision-engineered
- Fitment: Yamaha TT500 (1977–1981)
- Fitment: Yamaha XT500 (1976–1981)
- Fitment: Yamaha SR500 (1978–1981)
- Installation: Bolt-on kit
- Includes: Complete components
- MPN: 4783M09000
