CYLINDER FULL KIT 80MM KTM EXC-F/SX-F 250 06-11, ATHENA P400270100004 FOR 290CC BIG BORE, (Piston included)

Athena 290cc Big Bore Cylinder Kit for KTM 250

Upgrade your motorcycle's performance with the Athena Big Bore Cylinder Kit. This kit is engineered to increase displacement to 290cc, providing a noticeable boost in power across the entire RPM range while maintaining the reliability of original components. Athena's extensive experience in aftermarket cylinder parts, coupled with cutting-edge Italian design and testing, ensures a high-quality, durable, and high-performance upgrade.

The cylinder features a Nikasil coating, a proprietary nickel-silicon blend developed by Athena for superior smoothness and wear resistance. This advanced coating is designed to withstand extreme temperatures, pressures, and stresses encountered during demanding riding conditions.

This complete kit includes everything needed for installation, eliminating the need for modifications to your engine's crankcase. The package contains:

• High-quality aluminum cylinder with an 80mm bore diameter
• Complete piston assembly, including piston pin and rings
• All necessary gaskets for a secure and leak-free fit

All components have undergone rigorous bench and road testing by Athena technicians to validate their performance and durability.

Technical Specifications:

• Bore Diameter: 80.00 mm
• Compression Ratio: 12.5:1
• Displacement: 290 cc
• Net Weight: 1.60 Kg