Vertex Full Pro Forged Size A Piston kitRef : 251023DA / 1095340001

The VERTEX Forged Piston Replica (manufacturer reference 23759A) is aimed at motocross riders looking for a robust and reliable engine part for their engine interventions. Designed by VERTEX, a specialist in thermal components for off-road use, this forged aluminium piston meets the quality standards of an original fitment without claiming any unverified engine modifications.

• Material: Forged aluminium for a homogeneous structure and good resistance to mechanical stresses.
• Compression: Standard, suitable for original fitment.
• Bore diameter: 66.00 mm (cylinder)
• Piston diameter: Ø 65.97 mm
• Oversize: Letter A — intended for cylinders re-bored to oversize A.
• Usage: Replacement part for motocross, preparation, and maintenance of the top-end.

This Replica piston integrates particularly well with the small motocross engines mentioned below, without guaranteeing universal compatibility: HONDA CRF 150 R (2026), HONDA CRF 150 R BIG WHEELS 16/19 (KE03, 2022) and HONDA CRF 150 R STD WHEELS 14/17 (KE03, 2020). Check the bore and oversize reference before installation. Choose VERTEX when you are looking for a forged part, precisely machined, suitable for the demands of the terrain and for regular engine maintenance.