Vertex Complete Top End Kit - Replica Forged Piston Cylinder kitRef : VER00339A / 1096681001

VERTEX Complete Top-End Kit - Forged Replica Piston (manufacturer part number: VTKTC24270A): a top-end kit designed for motocross riders looking to refresh the top end of their 450.

This kit includes everything essential for replacing the piston and associated components during a service: forged aluminum piston (Replica), rings, piston pin, and circlips. For two-stroke applications, the needle bearing is included; four-stroke kits come with the timing chain. Note: top-end kits do not include ignition or clutch cover gaskets—be sure to order them if you are changing the timing chain.

• Contents: piston, rings, piston pin, circlips, top-end gaskets, needle bearing (2T).
• Piston compression: Standard
• Bore diameter: 97.00 mm
• Piston diameter: Ø 96.950 mm (oversize A)
• Material: forged aluminum

This VERTEX kit is aimed at enduro and motocross riders looking for a robust replacement part for top-end restoration. Compatible with several 450 models, including YAMAHA WR/YZ 450 F (2018–2020 models depending on the specific variant). Installation and break-in according to manufacturer recommendations are advised.