Lubrication system details: 1 - oil receiver with tube; 2 - oil pump; 3 - gasket; 4 - pressure reducing valve; 5 - oil filter; 6 - oil dipstick
Oil pump: 1 - drive gear; 2 - drive groove of the leading gear; 3 - segment insert; 4 - driven gear; 5 - pressure reducing valve
Oil pump pressure reducing valve: 1 - oil pump with cover; 2 - plunger of the pressure reducing valve; 3 - spring; 4 - cork; 5 - gasket