Athena 2T Cast Ø 39,97 mm for Standard Bore Cylinder Piston kitRef : ATH00597A / 1126853002

ATHENA Cast Piston – Manufacturer Ref: S4C04000007B. Aluminum piston designed for tuning and replacements on urban 50 cc engines. Designed for a bore of Ø 39.97 mm (oversize B), it is aimed at riders and workshops looking for a robust part that meets the specified dimensions.

This cast piston features a domed head and a forged skirt with lateral relief that ensures precise guidance in the cylinder. Mounted on a standard pin (12x8x33 mm) and equipped with a single ring, it maintains a simple and lightweight configuration (net weight 0.10 kg) suitable for small displacement 2-stroke engines.

• Piston diameter: Ø 39.970 mm (oversize B)
• Type: cast aluminum piston
• Number of rings: 1
• Head: domed
• Big end pin: 12 x 8 x 33 mm (standard type)
• Compression height: 25.80 mm
• Skirt: forged with lateral relief
• Weight: 0.10 kg

Compatibility: suitable for urban 50 cc engines — including models such as SHERCO SM 50 RS, RIEJU MRT 50 SM, and the MINARELLI AM6 base (check the reference and bore clearance before installation). For safe installation, adhere to manufacturer tolerances and have the pin and ring checked by a mechanic if necessary.