CYLINDER KIT 97MM YAMAHA YZ 450 20-22, ATHENA EC485-091 STD BORE, (Piston not included)
ATHENA Standard Bore Cylinder Kit Ø 97 mm, 450 cc with Gaskets required for installation (no piston included) - EC485-091. Bore Diameter: 97.00 mm. Displacement: 449 cc. The cylinder is coated with motor-nicksil, a nickel-silicon coating developed by Athena for smoothness and optimal wear resistance. All components are developed to withstand high temperatures, pressures, and stresses and have been validated by Athena technicians through bench and road tests. This cylinder kit can be installed without making any changes to the engine crankcase.
- SKU
- 56-K312.97.CKA
- Brand
- Athena
- Availability
- In Stock (1)
FULL DESCRIPTION
Athena Standard Bore Cylinder Kit 97mm for Yamaha YZ 450
Enhance your motorcycle's performance and reliability with the Athena Standard Bore Cylinder Kit. Designed and engineered in Italy, this high-quality cylinder kit is built to meet the demanding standards of modern motorcycles. Athena has invested over a decade in developing aftermarket cylinder replacement parts, focusing on improving production and performance for optimal results.
This cylinder kit features a 97mm bore diameter, providing a displacement of 449cc. The cylinder is coated with Athena's proprietary motor-nicksil, a nickel-silicon coating renowned for its exceptional smoothness and wear resistance. This advanced coating ensures longevity and consistent performance even under extreme conditions.
The Athena Standard Bore Cylinder Kit is designed to deliver the same performance as original spare parts, offering extreme reliability and optimal smoothness. The kit includes the high-quality aluminum cylinder and a top-end gasket kit required for installation. Please note that the piston is not included with this kit.
Athena's cylinder kits and their components are globally recognized for their performance, durability, and reliability. Each part is meticulously engineered and tested by Athena's R&D Department using cutting-edge tools. The components in this kit have been rigorously validated through severe bench and road tests to withstand the highest temperatures, pressures, and stresses.
A key advantage of this cylinder kit is that it can be installed without requiring any modifications to the engine crankcase, simplifying the installation process.
Key Features:
- Standard Bore Cylinder Kit for Yamaha YZ 450 models.
- 97mm Bore Diameter for 449cc displacement.
- Coated with Athena's motor-nicksil for superior smoothness and wear resistance.
- Engineered and designed in Italy for high performance and reliability.
- Includes high-quality aluminum cylinder and top-end gasket kit.
- Piston not included.
- Direct installation without engine crankcase modifications.
- Built to withstand high temperatures, pressures, and stresses.


