ATHENA P400210100002 Cylinder Kit 450cc for Honda CRF 450 R

The 450cc cylinder kit is specifically designed for the Honda CRF 450 R, offering high performance and reliability for the most demanding riders. This cylinder set is the result of over a decade of innovation and research in manufacturing technologies, using high-quality aluminum alloys and nickel-silicon coatings to ensure exceptional durability.

Thanks to a cutting-edge production process, the cylinders are made with CNC machines, ensuring micron tolerances at every stage of processing. The cylinder bores, made with a special blend of silicon carbide and nickel, optimize piston mileage and the longevity of the cylinder itself. Additionally, the water channels have been designed to increase cooling capacity, helping to maintain optimal operating temperatures.

The kit is tested at controlled internal temperatures, ensuring precision in bore sizes and perfectly flat surfaces to eliminate any fitting inaccuracies. With a bore of 96 mm and a stroke of 62.10 mm, the cylinder offers a displacement of 449.5 cc and a compression ratio of 11.5:1, generating a maximum power of 52.1 HP at 8700 RPM.

• Bore: 96 mm
• Stroke: 62.10 mm
• Displacement: 449.5 cc
• Compression: 11.5:1
• Maximum power: 52.1 HP at 8700 RPM
• Material: high-quality aluminum alloys
• Coating: nickel-silicon alloy
• Production process: CNC machines
• Cylinder bores: blend of silicon carbide and nickel
• Water channel design: increased cooling capacity
• Testing at controlled internal temperatures
• Micron tolerances in processing