TOP END PISTON & GASKET KIT 79MM HONDA CRF 250 20-21, ATHENA P5F0790319002C, SET C

Athena Top End Piston and Gasket Kit for Honda CRF 250

This Athena Top End Piston Kit provides the perfect combination of a forged 4-stroke piston and a complete top-end gasket set for your Honda CRF 250. Engineered for optimal performance and reliability, this kit is developed and tested in-house by Athena, ensuring seamless integration and superior results.

The forged piston is manufactured using state-of-the-art CNC machines from a special high-performance aluminum alloy with a high silicon content. This design guarantees OE-level reliability while offering enhanced resistance and excellent performance. Some piston skirts feature a molybdenum disulfide coating applied by screen printing to further reduce friction, boosting performance and durability.

Included are high-quality piston rings made in Japan with wear-resistant coatings (PVD or chromium nitride) to increase longevity and maintain performance. The Athena gasket kits are built upon over 40 years of industry experience, utilizing constant technological development and strict adherence to manufacturer parameters. Advanced laser cutting ensures precision, and the use of the latest generation materials, surface treatments, and stress-relieving processes guarantee exceptional sealing in critical areas.

Key Features:

• Forged 4-stroke piston for increased strength and performance.
• High-performance aluminum alloy with high silicon content.
• Optional molybdenum disulfide coating on some piston skirts for reduced friction.
• Made in Japan piston rings with wear-resistant coatings for durability.
• Comprehensive top-end gasket kit for a complete engine seal.
• Engineered for perfect integration and maximum reliability.

Technical Specifications:

• Bore Diameter: 78.97 mm
• Compression Height: 18.70 mm
• Compression Ratio: 14.1:1
• Displacement: 250 cc
• Number of Piston Rings: 2
• Piston Pin Type: Biconical
• Piston Type: Forged