
PROX — Clutch friction disc kit (manufacturer part number: 16.S43025). Designed for motocross, this kit allows you to refurbish the clutch by replacing all worn friction discs. Developed through competition, it matches the specifications of the original equipment and fits OEM clutch parts to restore precise gearing and smooth engagement of the disc pack.
Whether you are refurbishing a clutch after long seasons of riding on muddy tracks or preparing your machine for the next outing, this PROX kit provides the necessary components to restore lever feel and minimize jerking. Easy to install for both amateur and professional mechanics, it contains all the required friction discs to replace the originals.
Compatibility examples (common references): SUZUKI RM-Z 250 (2026), FANTIC XXF 250 (2024), YAMAHA YZ 250 F (2023).