The ATHENA Ø57 mm cylinder kit (Manufacturer part number: P400250100005) is designed for motocross riders looking for a complete solution to modify engine displacement or renew the top-end. Built for competitive/amateur use, this kit combines quality materials and surface treatments to minimize wear and maintain engine reliability.
- Aluminum cylinder with a nickel-carbide treatment for improved abrasion resistance.
- Optimized design offering an increase in coolant volume.
- High-performance exhaust valves for enhanced thermal stability.
- Bronze cylinder head dome for good mechanical stability.
- Forged piston with skirts treated with molybdenum disulfide (MoS2) to reduce friction.
- Diameter: Ø57 mm.
Delivered complete: piston, rings, circlips, pin, gasket set, and, depending on the versions, cylinder head and exhaust valves. Compatible spare parts: piston 9242DA, rings 264350, top-end gaskets 602111.
Common compatibilities (examples): KAWASAKI KLX 110 (2008-2009) and SUZUKI DR-Z 110 (2005). This kit fits into cylinder preparations for small displacement motocross bikes where reliability and engine response are sought.