ATHENA Complete Engine Gasket Kit with oil seals for KAWASAKI KX 450, KXF 450 2024-2026

ATHENA offers this complete engine gasket kit for KAWASAKI KX 450, KXF 450 2024-2026. A full rebuild means opening the whole engine: cylinder, head, cases and covers. Every gasket removed must be replaced.

Why buy a complete engine gasket kit?

The benefits:

• One part number for the whole engine: cases, covers, cylinder and head.
• Much cheaper than buying the gaskets separately.
• Avoids the bike sitting idle for a forgotten gasket.

Why choose ATHENA?

Athena, original-equipment supplier to KTM and Ducati from Italy, laser-cuts its gaskets from materials designed for heat, oil and coolant.

When should you replace the gaskets on your KAWASAKI KX 450?

An oil or coolant leak, seepage around the cases or a loss of compression signal a tired gasket. Having the kit to hand means the bike is never stuck waiting for one missing gasket.

The manufacturer publishes no hour interval for this model: have the con-rod play checked at every piston change. Cross-Mania guideline: rebuild the bottom end every 2 to 3 top-end rebuilds.

Specifications and fitting tips

• Manufacturer part number: P400250900075

Spare parts and items to plan

• Crankshaft bearings and seals : see the selection
• Engine oil seals : ATHENA · MOOSE
• Gearbox bearings : HOT RODS TBK0021 · HOT RODS TBK0020
• 2-stroke oil : LIQUI MOLY 1 L 3065 · LIQUI MOLY 1 L 3063
• Coolant : LIQUI MOLY 1 L · TWIN AIR
• Spark plug : see the selection

Compatibility

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

Fits:
KAWASAKI KX 450 2026
KAWASAKI KX 450 2025
KAWASAKI KX 450 2024
KAWASAKI KXF 450 2026
KAWASAKI KXF 450 2025
KAWASAKI KXF 450 2024