High-compression 14:1 piston kit designed for Yamaha YFZ450R and YFZ450 performance builds. Built with reliability in mind, this setup uses OEM Yamaha piston rings while providing increased compression for race and performance applications.
Kit Includes:
14:1 compression piston
OEM Yamaha piston rings
Wrist pin
Circlips
Features:
14:1 compression ratio
Uses OEM Yamaha rings for proven reliability and serviceability
100-octane or higher fuel required
Designed for high-performance and race applications
Complete piston setup ready for installation
Fitment:
All EFI Yamaha YFZ450R models
Carbureted Yamaha YFZ450 models
Fuel Requirement: Minimum 100-octane fuel with this piston setup