Athena S4C05800001A Big Bore Piston Kit for Yamaha YZ 125 2005-2006

The Athena S4C05800001A big bore piston kit is specifically designed for 2005-2006 Yamaha YZ 125 motorcycles and is compatible exclusively with Athena cylinder kits. This high-performance piston is manufactured using advanced casting technology with computerized precision that maintains dimensional tolerances of less than 0.01mm, ensuring consistent quality and fitment.

Key Features:

• Precision cast construction using optimized silicon, copper, nickel, and aluminum alloys for maximum durability
• Engineered piston ring configuration reduces friction and increases power output
• Complete kit includes piston, wrist pin, circlips, and piston rings
• All components are replaceable and interchangeable for easy maintenance
• OEM-equivalent reliability with enhanced resistance to wear
• Manufactured with advanced computerized technology for precise tolerances

Athena's big bore piston kits are designed for competitive off-road use and deliver increased displacement and performance beyond stock specifications. The balanced alloy composition provides excellent heat dissipation and longevity under demanding race conditions. This kit is intended exclusively for closed-course competition use.