Athena P400485100077 106cc Big Bore Cylinder Kit with Modular Head & Exhaust Valves (53mm Bore) - Premium 2-Stroke Performance Upgrade, Compatible with Yamaha YZ85 2019-2026 Heavy-Duty streamlining your workflow and reducing

streamlining your workflow and reducing clutter

or summer overlanding trips

Crafted from aircraft-grade aluminum and featuring stainless steel hardware

from hardpack to moderately loose surfaces

Athena P400485100077 106cc Big Bore Cylinder Kit with Modular Head & Exhaust Valves (53mm Bore) - Premium 2-Stroke Performance Upgrade, Compatible with Yamaha YZ85 2019-2026 Heavy-Duty streamlining your workflow and reducingUPGRADE YOUR DIRT BIKE TO THE NEXT LEVEL OF PERFORMANCE Extract massive power, aggressive low end torque, and unmatched acceleration from your modern era 85cc youth two stroke racing engine with the Athena Big Bore Cylinder Kit (Part No. P400485100077), a premium race proven package engineered in Italy to seamlessly convert your factory setup into a high revving, high output 106cc powerhouse. Entirely cast from high grade aluminum and treated with a