Vertex Casted Piston kitRef : VER00063A / 1095012001

VERTEX Cast Piston (manufacturer part number: 21604020) — piston designed for replacement on urban engines, compatible with several versions of Vespa PX 125. This cast aluminum part is offered in standard compression to maintain original settings.

• Material: aluminum (cast piston)
• Piston diameter: Ø 52.700 mm
• Indicated bore diameter: 52.70 mm
• Diameter Ø (reference): 52.62 mm
• Oversize: 020 (letter 020)
• Compression: standard

Designed for engine maintenance operations — cylinder refurbishment, replacement after wear, or during a service — this VERTEX piston is aimed at riders looking for a reliable original replacement part for their Vespa PX 125 (vehicle references listed). Its cast design provides geometry suited for urban engines and allows for easy installation while respecting the indicated tolerances.

Before installation, check the bore and piston/cylinder clearance, as well as the condition of the ring and pin. For safe installation, follow the manufacturer's recommendations and use the appropriate tools.