ATHENA Cylinder Kit P400485100091 449cc for Yamaha YZ 450
for YAMAHA YZ F 450
Check the compatibility with your motorcycle
FIND YOUR BIKE - compatibility table
The 449cc cylinder kit is specifically designed for the Yamaha YZ 450, offering high performance and uncompromising reliability. Made from high-quality aluminum alloys, this cylinder is the result of a cutting-edge manufacturing process that combines innovative technologies and rigorous quality controls.
Each cylinder is cast in steel molds and machined using CNC machines, ensuring thousandths of a millimeter tolerances at every stage of production. Thanks to advanced 3D software, it is possible to virtually simulate mechanical loads, further optimizing the design. The revision of the water channels increases cooling capacity, while the cylinder liners, made from a special blend of silicone carbide and nickel, ensure excellent mileage and prolonged durability.
Each cylinder is tested at optimal temperatures to ensure precise inspection of the bores, and the perfectly flat surfaces eliminate any mounting inaccuracies. With this kit, your Yamaha YZ 450 will be ready to deliver extraordinary performance, both on the road and on the track.
- Cylinder capacity: 449cc
- Material: high-quality aluminum alloys
- Manufacturing process: cast in steel molds
- Machining: CNC machines
- Tolerances: thousandths
- Mechanical load simulation: advanced 3D software
- Water channel revision: increases cooling capacity
- Cylinder liners: blend of silicone carbide and nickel
- Mileage: excellent
- Durability: prolonged
- Testing: at optimal temperatures for bore inspection
- Surfaces: perfectly flat to eliminate mounting inaccuracies


