Pic. 4.23. Sump and oil pump for SOHC engines: 1 - Oil pressure sensor; 2 - Oil filter; 3 - Drain plug; 4 - Gasket; 5 - Pallet; 6 - Grid oil receiver; 7 - Gasket of the oil receiver grid; 8 - Reducing valve bolt; 9 - Pressure reducing valve spring; 10 - Piston of the pressure reducing valve; 11 - Oil seal, 12 - Oil pump housing; 13 - O-ring; 14 - Oil pump housing cover; 15 - Outer rotor; 16 - Inner rotor