ATHENA Big Bore Cylinder Kit P400210100030 490cc for Honda CRF 450 R

The Big Bore cylinder kit of 490cc is specifically designed for the Honda CRF 450 R, offering a significant performance boost for riders seeking power and responsiveness. Made from high-quality aluminum, this cylinder is the result of a cutting-edge manufacturing process that utilizes modern and innovative technologies.

With a bore of 100 mm and a stroke of 62.1 mm, the kit ensures a displacement of 490 cc, capable of reaching a maximum power of 50.5 HP at 8400 RPM. The compression ratio of 12.5:1 ensures optimal efficiency, while the water cooling keeps temperatures under control even in the most demanding conditions.

The cylinder is coated with a nickel-silicon alloy, which enhances its strength and durability, ensuring high performance over time. Thanks to a design tailored to meet the needs of the most demanding riders, this kit represents an ideal choice for those looking to maximize the potential of their motorcycle. The cylinder head is not included in the delivery, allowing for complete customization based on the specific needs of the engine.

• Bore: 100 mm
• Stroke: 62.1 mm
• Displacement: 490 cc
• Maximum power: 50.5 HP at 8400 RPM
• Compression: 12.5:1
• Cooling: water
• Coating: nickel-silicon alloy
• Material: high-quality aluminum
• Customizable design: cylinder head not included