ATHENA forged piston Top End Kit (Piston + Gaskets) for KAWASAKI KXF 250 2025-2026

ATHENA offers this top-end kit for KAWASAKI KXF 250 2025-2026. It combines a complete piston (rings, pin and clips) with the gaskets to replace at the same time: base, head and related seals depending on the engine.

Why a piston + gasket kit?

The benefits:

• One part number to rebuild the top end: nothing is forgotten at reassembly.
• Cheaper than buying the piston and gasket kit separately.
• New gaskets guarantee compression from the very first start.

Why choose ATHENA?

Athena, the Italian manufacturer founded in 1973, is an original-equipment supplier to manufacturers such as KTM and Ducati: the same standards for your replacement parts.

When should you replace the piston on your KAWASAKI KXF 250?

Harder starting, loss of power, blue smoke, oil consumption or a knock when cold: these are the signs of a tired top end.

No manufacturer figure in hours for this model. Cross-Mania guideline: compression check every 30 h of hard use and every 60 h of leisure riding.

Specifications and fitting tips

• Engine: 4-stroke
• Manufacturer part numbers: P5F0780071005A (A), P5F0780071005B (B), P5F0780071005C (C)

Available in several sizes: choose the one that matches your cylinder (stamped size or measured bore). Diameters: A = 77.96 mm, B = 77.97 mm, C = 77.98 mm.

Spare parts and items to plan

• Piston rings : VERTEX · WISECO
• Spark plug : see the selection
• Coolant : LIQUI MOLY 1 L · TWIN AIR
• 4-stroke engine oil : LIQUI MOLY 10W40 1 L · MOTUL 10W50

Compatibility

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

Fits:
KAWASAKI KXF 250 2026
KAWASAKI KXF 250 2025