Vertex Complete Top End Kit - Replica Forged Piston Cylinder kit

VERTEX Complete Top-End Kit - Forged Replica Piston (manufacturer part number: VTKTC24371B): a kit designed for engine preparations and repairs on motocross bikes. This VERTEX pack includes the essential parts to replace the piston and ensure a clean and quick installation, without surprises on the workbench.

Important note: top-end kits do not include ignition cover or clutch gaskets — remember to order them if you are also working on the timing.

• Included: forged piston, rings, piston pin, circlips, top-end gasket set, needle bearing (for 2T applications).
• For 4T kits: timing chain included.
• Material: forged aluminum (Replica piston).
• Bore diameter: 77.00 mm — piston Ø 76.960 mm (oversize letter: B).
• Piston compression: Standard.

This kit is particularly suited for 250 cc motocross engines, compatible for example with:

• FANTIC XXF 250 (2024)
• YAMAHA YZ 250 F (2023)
• FANTIC XEF 250 (2024)

Clean installation, ready-to-fit parts, and careful dimensional control: the VERTEX VTKTC24371B kit allows you to start with a reliable engine base during a top-end overhaul. Always check manufacturer tolerances and replace gaskets if necessary during disassembly.