ALL BALLS Clutch Master Cylinder Repair Kit (manufacturer part number: 18-4004) — an essential maintenance kit to restore the clutch master cylinder of your motorcycle. Designed to replace worn parts of the hydraulic circuit, this kit allows for a clean and targeted repair of the lever and master cylinder, crucial for maintaining precise and play-free clutch control.

• Boot(s): 1
• Master cylinder piston kit(s): 1
• Screw(s): 2
• Circlip(s): 1
• Washer(s): 1

This ALL BALLS repair kit is aimed at riders practicing motocross and roadster, for whom regular maintenance is part of safety and riding enjoyment. It is particularly suitable for the following models (application examples): KTM 65 SX (2013), KTM 85 SX STD WHEELS 17/14 (2012), and KTM 85 SX BIG WHEELS 19/16 (2012).

Easy to install during maintenance work, this kit gathers the necessary components to replace the seals, piston, and fasteners of the master cylinder. Ideal for refurbishment operations before the season or after intensive off-road sessions — prepare your clutch for crisp shifts and responsive control.