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• Part Number : Superseded part - replaced by a newer part.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: - Maximize your engine’s volumetric efficiency with the genuine BKXJ Valve assembly. This kit features the high-temperature Valve Intake and Valve Exhaust, matched with the high-tension Spring Valve Inner and secure Lock Valve Spring. Protection for your valve stem is provided by the Seal Valve Stem, while the Retainer Valve Spring and Seat Valve Spring 2 ensure perfect alignment. The kit includes the Arm Valve Rocker and Arm Valve Rocker 2, complete with the Screw Valve Adjus and Nut for fine-tuning your engines power delivery. For structural integrity, we provide the high-strength Shaft Rocker. These genuine components are designed to withstand extreme thermal and mechanical stress, offering the technical clarity and purchase confidence needed for a responsive, powerful ride. Every part is a testament to Yamaha’s engineering heritage, ensuring your machine breathes perfectly and delivers maximum performance on every journey. Ride with the confidence that your valvetrain is built to racing standards, telling a story of speed and power with every twist of the throttle.