Color Legend:

• Red: Canceled part - unavailable for any operations.
• Blue: Part of a kit - cannot be ordered individually.
• Gray (Dimmed): Disabled part - non-interactive for various reasons.
• Part Number : Superseded part - replaced by a newer part.

Description: - Breathe new life into your engine with the RayZR B2U9 Valve assembly, a technical ensemble designed for high-compression efficiency. This kit features high-strength Valve Intake and Valve Exhaust, each engineered for thermal resilience. Performance is maintained by the high-tension Spring Valve Inner, Lock Valve Spring, and Retainer Valve Spring to ensure lightning-fast closing speeds at high RPMs. The assembly includes the Arm Valve Rocker and Rocker 2, featuring the essential Screw Valve Adjus and Nut for perfect lash settings. Protection is provided by the Seal Valve Stem and the durable Shaft Rocker for a near-frictionless pivot. Every Seat Valve Spring 2 is machined for a perfect fit, preventing oil leaks and compression loss. Using genuine Yamaha valves and rocker components ensures that your fuel is burned efficiently and your engine stays at peak horsepower. This is a storyteller of combustion power, providing the purchase confidence and technical clarity required for professional top-end maintenance.