CYLINDER FULL KIT 98MM YAMAHA YFZ 450 09-25, ATHENA P400485100047 478CC BIG BORE, (Piston included)

Athena Big Bore Cylinder Kit 478cc for Yamaha YFZ 450

Upgrade your Yamaha YFZ 450 with this Athena Big Bore Cylinder Kit, designed to increase engine displacement to a powerful 478cc. This comprehensive kit provides a complete top-end replacement, ensuring optimal performance and durability.

Key Features:

• Increased Displacement: Boosts engine capacity to 478cc for enhanced power and torque.

• Complete Kit: Supplied as a full replacement assembly, including the cylinder, piston, piston pin, piston rings, and a complete gasket set.

• Durable Construction: Features an aluminum cylinder with a wear-resistant nickel-silicon coating (Motor-Nicksil) for reduced friction and extended lifespan.

• Easy Installation: Engineered for direct installation without requiring any modifications to the engine crankcase.

• High-Performance Design: Specifically developed and rigorously tested on both dynamometer benches and real-world road conditions to ensure reliability under high-temperature and high-load scenarios.

Specifications:

• Bore Diameter: 98.00 mm

• Total Displacement: 478.00 cc

• Compression Ratio: 12.5:1

• Cylinder Material: Aluminum

• Cylinder Coating: Nickel-Silicon (Motor-Nicksil)

• Net Weight: 1.17 kg