PROX Cast Piston – Manufacturer Ref: 01.4100.B

Designed for high-performance motocross engine preparations and rebuilds, this PROX cast piston is aimed at riders and mechanics looking for a reliable replacement part. Made from aluminum, it features a domed head suitable for the relevant combustion chambers and a finish tailored for off-road use.

• Diameter: Ø 42.96 mm (oversize letter: B)
• Compression: Standard
• Material: Aluminum
• Specificity: Domed head
• Category: Motocross

This piston is suitable for piston replacement during engine servicing or as a replacement due to wear. It fits the listed models and integrates into standard setups designed for oversize B. For a complete rebuild, consider replacing the associated components:

• Replacement rings: 260064
• Replacement pin: 032015
• Replacement clips: CP1210C
• Needle cage: 400400

Main compatibilities: KAWASAKI KX 60 (KX60B) 2001, 2002, 2003. Before installation, check the condition of the cylinder, the piston/cylinder clearance, and adhere to the manufacturer's recommendations.