Prox Casted Piston kitRef : PRO00213A / 1094447003

PROX Cast Piston designed for the Cross environment — manufacturer reference 01.6012.C. This machined aluminum replacement part features an oversize "C" (Ø 39.48 mm) and meets the expected characteristics for small 50 cm³ single-cylinder engines: domed head, machining for reed valve, and two intake ports. The skirt receives an MOS2 treatment to reduce friction against the cylinder wall during temperature rises and demanding rides.

• Piston diameter: Ø 39.480 mm (Ø 39.48 mm)
• Compression: Standard
• Oversize letter: C
• Material: Aluminum (cast piston)
• Specifications: domed head, reed valve machining, 2 intake ports
• Treatment: Mos2 skirt (molybdenum)

This piston is intended for preparations and replacements on 50 cm³ Cross engines where bore precision and piston fit are crucial. It is suitable for the models listed below as examples:

• KTM 50 SX PRO JUNIOR LC (2008)
• KTM 50 SX PRO SENIOR LC (2005)
• KTM 50 SX PRO JUNIOR (2001)

Manufacturer reference: 01.6012.C. For installation, replacement pin: 032013, replacement clips: CP1210C, needle cage: 400441. Always check the bore and cylinder size before installation and adhere to the manufacturer's torque specifications and recommendations during assembly.