Aftermarket replacement part for:
YZ250 2003-2023
YZ250F Monster Energy Race Edition 2022-2023

Crafted for the Yamaha YZ250 two-stroke model, this OULI gasket overcomes common seal flaws like heat-induced fragility, housing deformation, fluid leakage and racetrack sand ingress.

It creates a robust compression seal at the crankcase and engine cover joint, effectively sealing lubricants and fuel mix, while repelling track dust, mud splashes and damp outdoor air.

It defends crankshaft and ignition system internals from rust damage and abrasive wear, maintaining snappy throttle reaction and steady power for motocross events and off-road training use.

Made to comply with strict OEM dimensional criteria, it supports rapid part swapping during routine race upkeep, reduces repetitive replacement costs, and extends the overall runtime life of the two-stroke dirt bike engine assembly.