A JE Pistons single forged piston for Yamaha YZF R1, FZ1 and RX1 applications is a direct replacement sold individually for engine rebuilds and repairs. It provides a like-for-like option to maintain combustion chamber fit and piston-to-cylinder clearance in those specified engines. Install during top-end service to restore piston function in the listed models.
JE Pistons Yamaha YZF R1/FZ1/RX1 Piston Single