CYLINDER FULL KIT 78MM KTM SX-F/XC-F 250 16-22, ATHENA P400270100020 STD BORE, (Piston included)
ATHENA Standard Bore Cylinder Kit Ø 78 mm, 250 cc - P400270100020. Bore Diameter (mm) 78.00. Displacement (cc) 250. This kit includes a high-quality aluminium cylinder with standard bore, a complete piston with piston pin and rings, and all necessary gaskets. The cylinder is coated with motor-nikasil, a nickel-silicon coating developed by Athena for smoothness and optimal wear resistance. The lightweight aluminium cylinder and barrel with nickel-silicon coating, along with a piston designed to reduce friction, provide performance, durability, and reliability. This cylinder kit can be installed without engine crankcase modifications. All components are developed to withstand high temperatures, pressures, and stresses.
- SKU
- 56-K178.78.CKA
- Brand
- Athena
- Availability
- In Stock (1)
FULL DESCRIPTION
Athena Standard Bore Cylinder Kit - 78mm 250cc
Upgrade your motorcycle's performance and reliability with the Athena Standard Bore Cylinder Kit. Engineered in Italy by Athena's dedicated R&D department, this kit is designed to deliver optimal performance, durability, and smoothness.
The cylinder features a lightweight aluminum construction with a precision motor-nikasil coating. This advanced nickel-silicon coating, developed by Athena, ensures exceptional smoothness and superior wear resistance, even under demanding conditions.
This comprehensive kit includes everything you need for a seamless installation:
- High-quality aluminum cylinder with a standard 78mm bore
- Complete piston assembly, including piston pin and rings
- All necessary gaskets for a perfect seal
The piston is specifically designed to minimize friction, contributing to enhanced performance and efficiency. Each component in this kit has undergone rigorous testing by Athena technicians to ensure it can withstand extreme temperatures, pressures, and stresses, validating its reliability for both bench and road use.
Key Features:
- Standard Bore Diameter: 78.00 mm
- Displacement: 250 cc
- Material: Lightweight aluminum cylinder with motor-nikasil coating
- Included Components: Cylinder, piston assembly, and all required gaskets
- Performance: Designed to match original spare part performance with improved smoothness and reduced friction
- Durability: Built to withstand high temperatures, pressures, and stresses
- Installation: No engine crankcase modifications required
Athena's commitment to continuous investment in aftermarket cylinder replacement parts ensures you receive a product recognized worldwide for its performance, durability, and reliability.


