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This piston meets the demands of motocross use thanks to the forging process, which gives a denser and more homogeneous metal structure. The dimensions (Ø 72.95 mm / bore 73.00 mm) and oversize A should be verified against the cylinder and manufacturer recommendations before installation. Installation is recommended by a professional or with verification of piston-cylinder clearance, rings, and timing.
Common compatibilities: Yamaha TT-R 250 (2005, 2006, 2007). For any modifications or replacements, retain the manufacturer reference 8646DA to ensure the correct matching of parts.