Athena 125cc 2-stroke Cast Piston Kit

The Athena Cast Piston Kit delivers exceptional reliability and performance for your 125cc 2-stroke engine. Manufactured with precision and rigorously tested, this piston kit ensures optimal power and longevity.

Description

Athena's piston kits are engineered to withstand the demanding conditions of high-performance 2-stroke engines. This cast piston, crafted from a special high-performance aluminum alloy with high silicon content, matches the reliability of original equipment pistons. It provides high resistance to both mechanical and thermal stresses. The piston's design and material composition have been validated through extensive testing on engine dynamometer benches under progressive stress loads and on the track under the most extreme conditions. This kit delivers the performance and durability enthusiasts demand, while maintaining the stock compression ratio for ease of installation and tuning. Ideal for rebuilds or performance upgrades, the Athena piston ensures consistent and reliable power delivery.

Features & highlights

• Engineered for high resistance to mechanical and thermal stress, ensuring long-lasting performance.
• Manufactured from a special high-performance aluminum alloy with high silicon content for OE-level reliability.
• Rigorously tested on engine dynamometers and race tracks to validate performance in extreme conditions.
• Designed to maintain stock compression ratio for easy installation and compatibility.
• Flat top piston head shape optimizes combustion efficiency and power output.

Technical specifications

• Brand: Athena
• Part Number: S4C05400016A
• Bore Size: 53.94 mm
• Compression Ratio: Stock
• Displacement: 125cc
• Engine Type: 2-Stroke
• Piston Head Shape: Flat Top
• Piston Material: 4032 Aluminum Alloy

Important to know

This kit includes the piston only. Wrist pin, rings, and circlips may be required and are sold separately. Ensure compatibility with your specific cylinder before installation.