Athena P400485100076 Standard Bore Cylinder Kit (47.5mm, 85cc) - Premium 2-Stroke Top End Rebuild Kit with Modular Head & Gaskets, Compatible with Yamaha YZ85 2019-2024 Wheel Bearing Grease Most customers complete installation in

Most customers complete installation in 2-4 hours using standard hand tools

The bias-ply construction of the K399 helps reduce weight while still maintaining many great characteristics of a radial tire

Rubberized hand grips are ergonomic and comfortable to hold

this coolant ensures your engine stays cool under the most demanding conditions

sanding pad

Athena P400485100076 Standard Bore Cylinder Kit (47.5mm, 85cc) - Premium 2-Stroke Top End Rebuild Kit with Modular Head & Gaskets, Compatible with Yamaha YZ85 2019-2024 Wheel Bearing Grease Most customers complete installation inRESTORE YOUR DIRT BIKE TO PEAK OEM PERFORMANCE Bring back the crisp throttle response, razor sharp power delivery, and high revving factory reliability of your 85cc youth two stroke engine with the Athena Standard Bore Cylinder Kit (Part No. P400485100076), a premium OEM style replacement package engineered and manufactured in Italy. Entirely cast from high grade aluminum and treated with a specialized Motor Nicksil (Nickel Silicon) coating, this