Prox Casted Piston kitRef : PRO00191A / 1093547003

Manufacturer reference: 01.3001.050

The PROX cast piston is a replacement part designed for small displacement engines in the quad and motocross sectors. Made from aluminum, it features a domed head and a "050" oversize (Ø 41.50 mm), suitable for engines requiring a bore +0.50 mm. Designed to replace the original piston while adhering to manufacturer specifications, it maintains standard compression for neutral engine behavior.

• Diameter: Ø 41.50 mm
• Oversize letter: 050
• Material: Aluminum (cast piston)
• Specificity: Domed head
• Compression: Standard

This part is designed for training, rides, and leisure sessions on the track, and this piston is intended as a replacement for engines compatible with this bore size. The necessary rings, pin, and clips for installation are referenced: replacement rings 260050, replacement pin 032014, clips CP1210C, and needle cage 400400 — check these components during reassembly to ensure a correct fit.

Common applications include: SUZUKI JR 50 (2006), KAWASAKI KFX 50 2WD (KSF50A) (2006), and SUZUKI LT 50 QUADRUNNER 2WD (2005). Suitable for users looking for a robust part sized for an oversize of +0.50 mm.