Vertex Complete Top End Kit - Casted Piston Cylinder kitRef : VER00560A / 1121198001

The VERTEX Complete Top-End Kit - Cast Piston is designed to neatly replace the piston/top-end assembly on your 125 motocross bike. This kit includes all the necessary parts for quick maintenance or repair: cast aluminum piston, rings, pin and clips, gaskets, and engine-specific accessories. Ideal for restoring the top-end to its original configuration without having to source each component separately.

• Kit contents: piston, rings, piston pin, clips, top-end gaskets.
• For 2T applications: needle cage (crankshaft bearing) included.
• For 4T kits: timing chain included.

Technical specifications:

• Bore diameter: 54.00 mm
• Piston diameter: Ø 53.940 mm (oversize A)
• Piston compression: Standard
• Material: aluminum (cast piston)

This kit simplifies the top-end operation by grouping wear parts and sealing elements — convenient for maintenance in the workshop or at home. Compatible with the motocross range, including: KTM 125 SX (2025), HUSQVARNA TC 125 (2025), and GAS GAS MC 125 (2025). Manufacturer reference: VTK23928A-4.