Location of cylinder block parts
29. Cam cover; 30. Back cover; 31. Fuel pump; 32. Steering arm shaft assembly; 33. Camshaft; 34. Cylinder head; 35. Valve holder; 36. Upper valve spring supports; 37. Valve springs; 33. Valves; 39. Lower valve spring spores; 40. Valve stem seals; 41. Valve guide bushings and mounting brackets; 42. Cylinder head gasket
(Content based on information from: «mazbook»)