Athena P5F0790323002B Piston Kit with Gaskets 2022-2025 Honda CRF250R/RX

Don’t let a worn top end compromise the performance of the Honda CRF250R. When the engine begins to lose compression or requires a scheduled service interval, the Athena P5F0790323002B Piston Kit with Gaskets provides the ultimate Racing Performance solution to restore factory-level power. At Moto-House MX, we understand that modern 250cc four-strokes require tight tolerances; this precision-engineered kit eliminates the need to source parts separately, ensuring the Honda CRF250RX remains reliable during high-intensity motos or technical off-road loops.

Engineered for maximum durability, this kit is manufactured from a high-performance aluminum alloy with high silicon content to guarantee the same reliability as the OE piston while offering superior resistance. The forged piston is produced via reverse extrusion and finished on CNC machines, featuring a smooth profile that ensures regular flow and perfect flame propagation within the combustion chamber. By installing these Japanese-made rings with wear-resistant PVD coatings, the rider will notice reduced friction and increased durability throughout the lifespan of the Honda CRF250R.

Top Features: Athena P5F0790323002B Piston Kit

• Forged Aluminum Alloy: High silicon content construction provides greater resistance and excellent performance under extreme heat.
• CNC Machined Precision: Produced using advanced numerical control machines for a smooth profile and optimized flame propagation.
• High-Performance Rings: Includes Japanese-made segments with PVD or chromium nitride coatings to reduce cylinder friction.
• Complete Top End Kit: Includes the piston, rings, pin, clips, and the necessary top-end gaskets for a seamless installation.
• Optimized Compression: Features a 14.1:1 compression ratio designed specifically for the 4-stroke Honda CRF250R engine.

Fitment List

Frequently Asked Questions

Q: Is this a forged or cast piston?
A: This Athena kit features a forged aluminum alloy piston, which offers superior strength and heat resistance compared to standard cast alternatives.

Q: Does the kit include the head and base gaskets?
A: Yes, this is a "Piston Kit with Gaskets" specifically designed to provide the essential components needed for a top-end refresh on the Honda CRF250R.

Q: What does "Model B" signify for the bore size?
A: The 78.96 mm (Model B) is slightly larger than the standard "A" size to account for natural cylinder wear, ensuring a perfect seal in the Honda CRF250RX.

Upgrade the Honda CRF250R today and get back to the track with confidence.

Moto-House MX – Choice of Champions – is located in Clermont/Montverde, FL. The best motocross shop in Central Florida.