Yamaha Motor 4V1-11630-00-00 Engine Piston Kit

The Yamaha 4V1-11630-00-00 Engine Piston Kit provides OEM-compatible piston components for Yamaha motorcycle engines, delivering a complete package that includes the piston, rings, pin, and clips to support reliable compression and motion transfer. Built with an aluminum alloy piston and steel components, it is designed for high-temperature operation within the engine combustion system to help maintain thermal stability and consistent power output during rebuilds. Ideal for motorcycle engine rebuilds and maintenance, this kit supports standard or model-dependent fitment (fitment: standard or specified size) and is intended for internal engine assembly to restore engine performance. The kit carries Manufacturer Part Number 4V1-11630-00-00, is branded Yamaha, and uses an aluminum alloy piston with steel components and high-temperature construction to meet Yamaha engine requirements.