VERTEX Cylinder Head Gasket (manufacturer ref. 860VG810023) — kit designed for high-performance preparations or repairs on 270 cc cylinders equipped with a Ø80 piston. Designed for the motocross universe, this kit allows for the restoration of the sealing between the cylinder head and cylinder on 270 cc configurations derived from 250 engines.

• Brand: VERTEX
• Designation: VERTEX Cylinder Head Gasket
• Reference: 860VG810023
• Main compatibilities:
  • YAMAHA YZ 250 F (CG39) 2018 — 250 cm³
  • YAMAHA WR 250 F (RE25) 2018 — 250 cm³
  • YAMAHA YZ 250 F (CG34) 2016 — 250 cm³
• Usage: Motocross / off-road

This kit is aimed at riders and preparers who are replacing or adapting a 270 cc cylinder with a Ø80 piston on trails and YZ/WR models. As a sealing component, it restores the cylinder head–cylinder interface and prevents compression and fluid leaks. During installation, check the flatness of the mating surfaces, clean the surfaces thoroughly, and adhere to the torque specifications recommended by the manufacturer to ensure a safe and durable start-up.