ATHENA Cylinder Kit P400485100008 125cc for Yamaha YZ 125
for YAMAHA YZ 125
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The 125cc cylinder kit is the ideal choice for those looking to enhance the performance of their Yamaha YZ 125. Designed with meticulous attention to detail, this kit is made from high-quality aluminum and offers a perfect combination of lightness and strength. Thanks to cutting-edge technologies, each cylinder is produced with millimeter tolerances, ensuring precise installation and optimal operation.
Innovative features include optimized water channels to improve cooling capacity and a special blend of silicon carbide and nickel in the cylinders, which ensures exceptional durability of the piston and the cylinder itself. Each component is tested at controlled temperatures to guarantee maximum reliability and high performance.
With a bore of 54 mm and a stroke of 54.5 mm, the cylinder reaches a displacement of 124.82 cc, with a compression ratio of 14.3:1. The maximum power at the crankshaft is 35.3 HP at 11,000 RPM, while the maximum torque of 22.6 Nm is achieved at 10,700 RPM, making this kit a perfect option for riders looking to enhance their riding experience.
- Bore: 54 mm
- Stroke: 54.5 mm
- Displacement: 124.82 cc
- Compression: 14.3:1
- Maximum power: 35.3 HP at 11,000 RPM
- Maximum torque: 22.6 Nm at 10,700 RPM
- Material: High-quality aluminum
- Optimized water channels for cooling
- Silicon carbide and nickel blend in the cylinders
- Tested at controlled temperatures


