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• Part Number : Superseded part - replaced by a newer part.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 MT15 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 Valve Rocker Arm Assy and Valve Rocker Arm A, complete with the Screw Valve Adjusting and Nut for fine-tuning your engines power delivery. For structural integrity, we provide the Shaft Rocker 3, Plate, Washer 1, and Spring Coil. These genuine components are designed to withstand extreme thermal and mechanical stress, offering the technical clarity and purchase confidence needed for a responsive ride. Every part is a testament to Yamaha’s engineering heritage, ensuring your machine breathes perfectly and delivers maximum performance. Ride with the confidence that your valvetrain is built to racing standards for ultimate power and speed.