ATHENA P400485100029 Cylinder Kit 144cc for Yamaha YZ 125

The 144cc cylinder kit is specifically designed for the Yamaha YZ 125, offering high performance and reliability for motocross enthusiasts. Made from high-quality aluminum, this cylinder features a bore of 58 mm and a stroke of 54.5 mm, ensuring optimal displacement to maximize engine power. With a compression ratio of 14:1 and a maximum power output of 30.9 kW (42.0 HP) at 11,500 RPM, this kit is ideal for those looking to enhance their motorcycle's performance.

The production of this cylinder is the result of over ten years of investment in the latest technologies, used not only by original manufacturers but also by the best racing teams worldwide. Continuous collaboration with universities and engine tuners ensures that every component is constantly improved and optimized. The surface of the cylinder is coated with a nickel-silicon alloy, which increases wear resistance and guarantees exceptional durability.

The kit also includes the cylinder head, completing an ideal package for those looking to boost their Yamaha YZ 125. With rigorous quality controls, each cylinder is designed to meet the highest standards of performance and reliability, making it a perfect choice for riders who do not accept compromises.

• Displacement: 144cc
• Compatibility: Yamaha YZ 125
• Material: High-quality aluminum
• Bore: 58 mm
• Stroke: 54.5 mm
• Compression: 14:1
• Maximum power: 30.9 kW (42.0 HP) at 11,500 RPM
• Coating: Nickel-silicon alloy for wear resistance
• Included: Cylinder head
• Rigorous quality controls