CYLINDER FULL KIT 81MM YAMAHA WR/YZ 250 14-18, ATHENA P400485100050 276CC BIG BORE, (Piston included)
ATHENA Big Bore Cylinder Kit Ø 81 mm, 276 cc - P400485100050. Athena has invested in cylinder aftermarket replacement parts for over ten years, with cylinders engineered in Italy by Athena’s R&D Department. Cylinders are coated with motor-nicksil, a nickel-silicon coating developed by Athena for smoothness and wear resistance. Athena's cylinder kits are recognized worldwide for performance, durability, and reliability. Big Bore Cylinder Kits guarantee an increase in performance while maintaining original component reliability. The kit includes an aluminum cylinder with increased bore, a complete piston with pin and rings, and all necessary gaskets. Components are developed to withstand high temperatures, pressures, and stresses, validated by Athena technicians through bench and road tests. This cylinder kit can be installed without modifying the engine crankcase. Bore Diameter: 81.00 mm, Compression Ratio: 13.6:1, Displacement: 276 cc, Net Weight: 1.38 Kg.
- SKU
- 56-K170.81.KIT
- Brand
- Athena
- Availability
- In Stock (1)
FULL DESCRIPTION
Athena Big Bore Cylinder Kit - 276cc
This Athena Big Bore Cylinder Kit is engineered to enhance the performance of your motorcycle. Designed and tested in Italy, this kit features a precision-crafted aluminum cylinder with an increased bore diameter of 81mm, boosting the displacement to 276cc.
The cylinder is coated with Athena's proprietary Motor-Nicksil, a nickel-silicon coating that provides superior smoothness and exceptional wear resistance for increased longevity.
Key Features:
- Increased Displacement: Boosts engine capacity to 276cc for noticeable performance gains.
- Durable Coating: Features Motor-Nicksil coating for enhanced durability and wear resistance.
- Complete Kit: Includes a high-quality aluminum cylinder, a complete piston with pin and rings, and all necessary gaskets for a comprehensive upgrade.
- Reliability: Engineered to maintain the reliability of original components while improving performance.
- Engineered in Italy: Designed with extensive R&D and advanced tools.
- No Crankcase Modifications Required: Designed for direct installation without altering the engine crankcase.
- High-Quality Materials: Components are built to withstand extreme temperatures, pressures, and stresses, validated through rigorous testing.
Technical Specifications:
- Bore Diameter: 81.00 mm
- Compression Ratio: 13.6:1
- Displacement: 276 cc
- Weight: 1.38 Kg
