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 Tactical Eco-friendly NiMH technology minimizes environmental

Eco-friendly NiMH technology minimizes environmental impact while providing consistent power output

Meet Sto-R-Tops

With an aggressive variable pitched tooth design

and performance you expect from your headlight

and endurance cycling experience with the P Zero SmarTUBE 23/32-622

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 Tactical Eco-friendly NiMH technology minimizes environmentalRESTORE 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