ATHENA Valve Cover Gasket for YAMAHA WRF 450, YZF 450 and FANTIC XXF 450 2023-2026

On YAMAHA WRF 450, YZF 450 and FANTIC XXF 450 from 2023 to 2026, the ATHENA S410485015072 valve cover gasket fits in place of the original part. The valve cover gasket stops valve train oil from escaping from the engine. It comes off at every valve clearance check and eventually hardens with the heat.

Specifications

• Brand: ATHENA
• Manufacturer part number: S410485015072
• EAN code: 8051757179329
• Weight: 50 g
• Engine: 4-stroke

When to replace it?

• Oil seeping around the valve cover or into the spark plug tube.
• Gasket hardened, flattened or split on removal.

During a valve clearance check or work on the valve train, as soon as the gasket is hardened, flattened or damaged.

Fitting tips

1. Clean the groove in the cover and the cylinder head face.
2. Seat the gasket properly in its groove; sealant goes only where the manual calls for it (often the camshaft half-moons).
3. Tighten the screws in a criss-cross pattern to the manufacturer's torque, without crushing the gasket.
4. While it's apart, adjust the valve clearance with valve shims if needed and replace the spark plug.

Why ATHENA?

Founded in 1973 near Vicenza, Athena is an Italian engine gasket specialist that has made its gaskets on its own production lines since day one, as well as a renowned manufacturer of pistons and cylinder kits. The brand supplies original equipment to manufacturers such as KTM, Ducati, Fantic, Piaggio and Triumph, and is a partner of the MXGP motocross world championship.

Spare parts and items to plan

• Valve shims : PROX 29.948 · PROX 29.948
• Spark plug : NGK 4218 · NGK 96067
• Valve stem seals : ATHENA · KIBBLEWHITE
• 4-stroke engine oil : LIQUI MOLY 10W40 1 L · MOTUL 10W50

Frequently asked questions

Should it be replaced at every valve check?
Not necessarily if it is still supple and intact, but a hardened gasket always ends up leaking.

Compatibility

Check the exact model and year of your bike in the list below before ordering.

Fits:
FANTIC XXF 450 2026
FANTIC XXF 450 2025
FANTIC XXF 450 2024
FANTIC XXF 450 2023
YAMAHA WRF 450 2026
YAMAHA WRF 450 2025
YAMAHA WRF 450 2024
YAMAHA YZF 450 2026
YAMAHA YZF 450 2025
YAMAHA YZF 450 2024
YAMAHA YZF 450 2023