VERTEX Forged Piston designed for Quad and Cross uses, manufacturer reference 23417A. Designed by an original equipment manufacturer, this forged aluminium piston allows for reconditioning in accordance with original specifications for the mentioned 505 cm3 engines.

• Type: High compression
• Bore diameter: 100.00 mm
• Piston diameter: Ø 99.94 mm (oversize A)
• Material: Forged aluminium
• Complete kit: supplied with rings, circlips, and pin
• Top-end gasket set: reference 605135

This forged piston is intended for preparations and reconditioning where precision fit and mechanical strength are sought. The oversize A and machining tolerances ensure a precise fit in the sleeve during replacement. Ideal for replacing a worn piston on the listed KTM 505 models (2008–2012) or on other similar displacement applications.

For installation, follow the manufacturer's recommendations regarding running-in, torque settings, and play checks. This piston is suitable for top-end operations carried out by a workshop or a skilled DIYer. Check compatibility and condition of the sleeve before installation.