CYLINDER FULL KIT 53MM YAMAHA YZ 85 02-18, ATHENA P400485100039 112CC BIG BORE, (Piston and crankshaft included)

Athena 112cc Big Bore Cylinder Kit - 53mm Bore

Upgrade your motorcycle's performance with the Athena Big Bore Cylinder Kit. This comprehensive kit features a 53mm bore diameter, increasing displacement to 112cc for noticeable gains in power and performance across the entire RPM range. Athena's commitment to quality is evident in every component, engineered and tested in Italy for optimal performance, durability, and reliability.

The cylinder is coated with Athena's proprietary motor-nicksil, a nickel-silicon coating designed for superior smoothness and wear resistance, ensuring a long service life. This kit is designed to maintain the reliability of original components while delivering enhanced power.

This kit includes a high-quality aluminum cylinder with an increased bore, a complete piston assembly with pin and rings, a crankshaft, and all necessary gaskets. All parts are manufactured to withstand extreme temperatures, pressures, and stresses, validated through rigorous bench and road testing. The Big Bore Cylinder Kit can be installed without requiring any modifications to the engine crankcase.

Key Features:

• Increased Displacement: 112cc
• Bore Diameter: 53.00 mm
• Cylinder Coating: Motor-nicksil (Nickel-Silicon) for enhanced durability and smoothness
• Includes: High-quality aluminum cylinder, complete piston kit, crankshaft, and all necessary gaskets
• Performance Enhancement: Guarantees an observable increase in power output
• Reliability: Engineered to maintain original component reliability
• Direct Fit: Installs without engine crankcase modifications
• Developed and Tested: Engineered in Italy by Athena's R&D department

Technical Specifications:

• Bore Diameter: 53.00 mm
• Compression Ratio: 13.8:1
• Displacement: 112 cc
• Net Weight: 3.30 Kg