Athena Racing Forged Piston kitRef : ATH00509A / 1094051001

The ATHENA Racing Forged Piston (manufacturer reference S4F07800002A) is a replacement part designed for 250 cm³ engines in cross and roadster configurations. Made of forged aluminum, this piston features a finish suitable for the demanding uses of off-road as well as the requirements of trail/roadster type motorcycles, while maintaining the original compression.

• Brand: ATHENA
• Designation: ATHENA Racing Forged Piston
• Material: Aluminum
• Piston Compression: Standard
• Diameter: Ø 77.960 mm (77.96 mm)
• Overbore: STD, Letter A
• Category: Piston

Designed to replace original pistons without major modifications, it is suitable for configurations where dimensional tolerance must be respected. Its overbore "A" corresponds to a diameter suitable for slightly worn cylinders requiring a replacement with a larger bore size. Installation, checking the piston/ring clearance, and adhering to manufacturer recommendations are essential during replacement.

Examples of common compatibilities:

• HONDA CRF 250 X (ME11) (2013 - 250 cm³)
• HM CRE 250 F (2009 - 250 cm³)
• HONDA CRF 250 R (ME10) (2009 - 250 cm³)

Manufacturer reference: S4F07800002A. Check the exact compatibility with the engine identification number or workshop manual before ordering.