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 silicone adhesive Designed specifically for the KX250F

Designed specifically for the KX250F (2006-2016) and KX450F (2006-2015)

high‑quality sealing solution for Yamaha YFM and YTM 200/225 engines from 1983–1986

Whether you're crossing remote terrain or commuting daily

This delivers the power of corded 1

an arbor and a diamond file

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 silicone adhesive Designed specifically for the KX250FRESTORE 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