CYLINDER KIT 77MM YAMAHA WR/YZ 250 01-13, ATHENA EC485-011 STD BORE, (piston not included)
Athena Standard Bore Cylinder Kit Ø 77 mm, 250 cc with Gaskets. Motor-nicksil coating for smoothness and wear resistance. Engineered in Italy. Developed to withstand high temperatures, pressures, and stresses. Can be installed without engine crankcase modifications. Displacement: 250 cc. Net Weight: 1.30 Kg. Part No. EC485-011.
- SKU
- 56-K103.77.CGA
- Brand
- Athena
- Availability
- In Stock (2)
FULL DESCRIPTION
Athena Standard Bore Cylinder Kit - 77mm
Enhance your motorcycle's performance with the Athena Standard Bore Cylinder Kit. Engineered in Italy, this kit is designed to provide reliable and durable operation, matching the performance of original spare parts.
The cylinder features a motor-nicksil coating, a nickel-silicon treatment developed by Athena for exceptional smoothness and wear resistance. This coating is built to withstand high temperatures, pressures, and stresses, validated through rigorous bench and road testing.
This kit includes a high-quality aluminum cylinder with a standard bore and a comprehensive gasket set. Please note that a piston is not included.
Key Features:
- Standard bore cylinder kit for 250cc engines.
- Durable motor-nicksil coating for optimal wear resistance and smoothness.
- Designed and tested by Athena's R&D Department.
- Guarantees original equipment performance and reliability.
- Includes aluminum cylinder and gasket kit.
- Can be installed without modifying the engine crankcase.
- Displacement: 250 cc
- Weight: 1.30 kg


