TOP END PISTON & GASKET KIT 78MM KTM EXC-F 250 17-19, ATHENA P5F0780078001A, SET A
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ATHENA Top End Piston Kit includes a forged 4-stroke piston and top end gasket kit. Forged 4-stroke piston with Ø 77.95 mm bore diameter. Piston made of special high-performance aluminum alloy with high silicon content. Piston skirt treated with molybdenum disulfide coating to reduce friction. Includes two piston rings Made in Japan with wear-resistant coatings (PVD or chromium nitride). Gasket kits are based on experience and technological development, produced following strict manufacturer parameters. Technical features: Big End Pin Diameter 16x9x38.2 mm, Bore Diameter 77.95 mm, Compression Height 19.40 mm, Compression Ratio 13.9:1, Displacement 250 cc, Number Of Segments 2, Piston Pin Type Biconical, Piston Type Forged.
- SKU
- 56-T1011.A_ATH
- Brand
- Athena
- Availability
- In Stock (1)
- Variant Id
- 309805
FULL DESCRIPTION
Athena 78mm Top End Piston and Gasket Kit
This Athena Top End Piston Kit combines a high-performance forged piston with a complete top-end gasket set, engineered for optimal engine performance and reliability. Athena meticulously develops and tests all piston technologies and materials in-house, alongside the complete design of compatible gaskets, ensuring a perfectly tuned kit for superior results.
Key Features:
- Forged 4-Stroke Piston: Manufactured using advanced numerical control (CNC) machines from a special high-performance aluminum alloy with high silicon content, providing OE-level reliability with enhanced resistance and performance.
- Performance Enhancement: Some piston skirts feature a molybdenum disulfide coating applied via screen printing to reduce friction, boosting performance and durability.
- Premium Piston Rings: Includes Japanese-made piston rings with wear-resistant coatings (PVD or chromium nitride) designed to minimize friction with the cylinder for higher performance and increased lifespan.
- Reliable Gasket Set: Developed with over 40 years of industry experience, Athena gasket kits utilize extensive know-how, continuous technological development, and strict adherence to manufacturer parameters.
- Precision Sealing: Latest generation lasers ensure precise cutting quality for gaskets, and Athena uses advanced surface treatments and material stress-relieving processes to guarantee excellent sealing, especially in critical areas.
- Smooth Operation: The piston's perfectly smooth profile promotes regular airflow and optimal flame propagation for smoother engine operation.
Technical Specifications:
- Piston Bore Diameter: 77.95 mm
- Compression Height: 19.40 mm
- Compression Ratio: 13.9:1
- Displacement: 250 cc
- Number of Piston Rings: 2
- Piston Pin Type: Biconical
- Piston Type: Forged
- Big End Pin Diameter: 16x9x38.2 mm
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