ATHENA P4C0445008001B Top End Piston Kit for Kawasaki KX 65, 2000–2023

Upgrade your engine with the convenience and confidence of Athena's Top End Piston Kit. Combining a premium cast 2-stroke piston with a matching top-end gasket kit, this complete package provides everything needed for a reliable top-end rebuild. Designed and engineered to work together, every component is developed and tested by Athena to deliver outstanding performance, durability, and OEM-quality reliability.

Manufactured from a high-performance, high-silicon aluminum alloy, the piston is gravity cast and precision machined using advanced CNC equipment for exceptional dimensional accuracy and long service life. The optimized piston profile promotes smooth engine operation and efficient combustion, while select applications feature a molybdenum disulfide skirt coating to reduce friction, minimize wear, and extend engine life. Premium piston rings provide an excellent seal against the cylinder wall for improved compression, smoother operation, and consistent power delivery.

Completing the kit is Athena's industry-leading top-end gasket set. Backed by more than 40 years of gasket manufacturing experience, each gasket is precision laser cut from premium materials and engineered to provide reliable sealing under demanding riding conditions.

• Complete top-end rebuild solution

• Includes cast 2-stroke piston and matching top-end gasket kit

• High-performance high-silicon aluminum alloy piston

• Precision CNC-machined for OEM-quality fit

• Gravity-cast piston construction

• Excellent durability and wear resistance

• Optimized piston profile for efficient combustion

• Premium piston rings for improved compression and reduced friction

• Precision laser-cut gaskets for superior sealing

• Designed and tested by Athena for dependable performance

Includes

• Cast 2-stroke piston

• Top-end gasket kit

• Piston rings

• Wrist pin

• Circlips

Specs / Notes

• Piston Type: Cast

• Piston Diameter: 44.46 mm

• Displacement: 65cc

• Compression Ratio: Standard (STD)

• Piston Head: Domed

• Piston Pin: Biconical

• Big End Pin Diameter: 12 x 8 x 36.5 mm

• Number of Piston Rings: 2

• Manufactured from high-silicon aluminum alloy for superior strength and reliability.

• Select piston applications feature a molybdenum disulfide skirt coating to reduce friction and improve durability.

• Athena gasket kits are precision laser cut to provide OEM-quality sealing performance.

• Verify piston size and vehicle compatibility before ordering.

• Products intended for racing or competition use may not be legal for street use depending on local regulations.

The ATHENA P4C0445008001B Top End Piston Kit is identified for Kawasaki KX 65 models from 2000 through 2023. Designed as a top-end piston kit, it is intended for applications requiring replacement of the piston assembly within the engine’s upper-end components.

This kit provides a product-specific replacement option for the listed Kawasaki KX 65 model range. Confirm the vehicle application and part number before installation to help ensure the component is appropriate for the intended service.

Manufactured by ATHENA, the kit is supplied as one unit. Its product information identifies the unit of measure as each and specifies compatibility with Kawasaki KX 65 models covering the 2000–2023 model years.

Features:

• Brand: ATHENA
• Part Number: P4C0445008001B
• Product Type: Top end piston kit
• Application: Kawasaki KX 65
• Model Years: 2000–2023
• Unit of Measure: Each