CYLINDER FULL KIT 53mm 2002-2018 YAMAHA YZ85 ATHENA P400485100038 105CC BIG BORE Piston included

Athena 105cc Big Bore Cylinder Kit for Yamaha YZ85 (2002-2018)

Upgrade your Yamaha YZ85 with this high-performance Big Bore Cylinder Kit from Athena. This comprehensive kit is engineered in Italy and designed to significantly increase your engine's performance while maintaining the reliability of original components. Athena's dedication to quality is evident in their advanced manufacturing processes and rigorous testing.

The cylinder features a specialized motor-nicksil coating, a nickel-silicon blend developed by Athena for exceptional smoothness and superior wear resistance. This ensures longevity and optimal performance even under demanding conditions. This kit is designed to provide an observable increase in power across the entire rev range.

This kit includes everything needed for installation: a high-quality aluminum cylinder with an increased bore diameter, a precision-engineered cylinder head, a complete piston assembly with piston pin and rings, and all necessary gaskets. All components are built to withstand extreme temperatures, pressures, and stresses, validated through extensive bench and road testing by Athena technicians. Importantly, this cylinder kit can be installed without requiring any modifications to the engine crankcase.

Key Features:

• Increased Displacement: Boosts your engine to 105cc for enhanced power.
• Athena Motor-Nicksil Coating: Provides superior smoothness and wear resistance for durability.
• Complete Kit: Includes aluminum cylinder, cylinder head, piston kit, and all required gaskets.
• Direct Installation: Designed for fitment without engine crankcase modifications.
• Performance Enhancement: Guarantees a noticeable increase in power output.
• Italian Engineering: Developed and tested by Athena's R&D department.

Technical Specifications:

• Bore Diameter: 53.00 mm
• Compression Ratio: 13.8:1
• Displacement: 105 cc
• Net Weight: 1.40 Kg