Avoid storing a large amount of oil, and disassemble the fuel injector to prevent oil contamination of the fuel injector liner, which may cause engine sintering
The patent abstract shows that the present utility model discloses an engine cylinder head and an engine, wherein the engine cylinder head comprises a cylinder head body, wherein an injector hole is provided on the cylinder head body, and the injector is installed in the injector hole through an injector liner. A circular oil drain groove is set on the side wall surface of the injector hole, and the circular oil drain groove is connected to the injector hole
