ATHENA Water Pump Rebuild Kit 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 P400485475016 water pump rebuild kit fits in place of the original part. A tired water pump bearing or oil seal lets coolant through. This kit replaces the pump's sealing and bearing parts.

Specifications

• Brand: ATHENA
• Manufacturer part number: P400485475016
• EAN code: 8056216243382
• Weight: 130 g
• Engine: 4-stroke

When to replace it?

• Drip of coolant or oil at the weep hole under the pump.
• Milky engine oil (mixed with coolant).
• Coolant level dropping with no visible leak, engine running hot.

During an engine rebuild, and as soon as a leak appears at the weep hole.

Fitting tips

1. Drain the cooling system, and the oil if necessary.
2. Drive out the bearing and oil seals without damaging the housing, then fit the new parts perfectly square.
3. Lightly grease the oil seal lips before sliding the shaft through.
4. Fill with fresh coolant, bleed the system and refill with oil if you drained it.

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

• Coolant : LIQUI MOLY 1 L · TWIN AIR
• Gearbox oil : LIQUI MOLY 10W30 1 L · LIQUI MOLY 80W 500 ml
• Clutch cover gasket : ATHENA · CENTAURO

Frequently asked questions

What does the kit contain?
Depending on the model: gaskets, O-rings, oil seals and pump bearing(s). If in doubt, compare with your original parts.

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