ATHENA P400210100008 Cylinder Kit 250cc for Honda CRF 250

The 250cc cylinder kit is specifically designed for the Honda CRF 250, offering high performance and immediate response in every driving situation. Made from high-quality aluminum, this cylinder is the result of over ten years of technological innovation, used by both original manufacturers and the best racing teams worldwide.

Thanks to a cutting-edge production process, the cylinders are cast in steel molds and machined with CNC machines, ensuring micrometer tolerances at every stage. The special nickel-silicon alloy applied to the surface ensures superior wear resistance, while the water channels have been optimized to improve cooling capacity.

The cylinder sleeves, made with an innovative blend of silicon carbide and nickel, provide exceptional piston sliding performance and extended durability. Each cylinder is tested at controlled temperatures to ensure maximum precision in bore and dimensions.

With a bore of 78 mm, a stroke of 52.50 mm, and a displacement of 249.4 cc, this kit offers a compression ratio of 13:1 and a maximum power output of 33.25 HP at 10,400 RPM. It is the ideal choice for those looking to enhance the performance of their Honda CRF 250, combining reliability and power in a single product.

• Bore: 78 mm
• Stroke: 52.50 mm
• Displacement: 249.4 cc
• Compression: 13:1
• Maximum power: 33.25 HP at 10,400 RPM
• Material: High-quality aluminum
• Surface treatment: Nickel-silicon alloy
• Cylinder sleeves: Blend of silicon carbide and nickel
• Production process: Cast in steel molds and machined with CNC machines
• Testing: Controlled temperatures for precision in bore and dimensions