
ATHENA Top-End Gasket Kit — Manufacturer Ref: P400485600053
This ATHENA top-end gasket kit includes all the necessary gaskets for reassembling the cylinder and cylinder head. Designed for the Cross environment, this kit helps restore sealing during an engine overhaul after disassembly, including the valve stem seals mentioned in the composition.
Ideal for preparations and repairs on off-road machines, this kit is aimed at riders who perform their own cylinder disassembly or cylinder head refurbishment. Check compatibility with your machine before installation. Among the commonly compatible models: YAMAHA WR 450 F (CJ09) 2006, YAMAHA YZ 450 F (CJ06) 2005, and YAMAHA WR 450 F (CJ07) 2005 — this is for reference according to manufacturer specifications.
To ensure a clean and durable reassembly, pair this kit with original gaskets and parts recommended by the manufacturer and adhere to the specified torque settings during reassembly.