Manufacturer reference: VTKTC24270D — Complete VERTEX top-end kit, forged Replica piston, designed for the Cross universe. This kit includes the necessary parts to replace the piston and associated elements during a top-end overhaul.
Technical specifications: forged aluminum piston, standard compression, oversize "D" (piston Ø 96.980 mm — bore 97.00 mm). This precise diameter allows for adaptation on resurfaced cylinders according to the D size indicated by the manufacturer.
What the kit contains:
- forged Replica piston
- rings
- piston pin
- circlips
- top-end gaskets
- needle cage (2T applications)
- for 4T kits: timing chain included
Important note: ignition and clutch cover gaskets are not provided — be sure to order them separately if you are working on the timing or engine covers. This kit simplifies the top-end overhaul by minimizing back-and-forth trips and missing parts.
Main compatibilities: Yamaha WR 450 F (RE45) 2020, Yamaha YZ 450 F (CJ23) 2019, and YZ 450 F (CJ22) 2018. Check the model year and reference before installation.