The Genuine Brio 50i cylinder head diagram shows the complete top-end engine head assembly, including the cylinder head casting, combustion chamber, intake and exhaust valve assemblies, valve seats, valve guides, valve springs (inner and outer), valve spring retainers and cotters, camshaft assembly, camshaft bearing journals, rocker arms (intake and exhaust), rocker arm shafts, camshaft holder or cam cap assembly, timing chain interface area, spark plug mounting port, valve stem seals, head gasket sealing surface, oil and breather passage channels, and all associated studs, nuts, washers, and fastening hardware.
This diagram is used to identify OEM replacement parts for engine top-end service, valve train repair, and cylinder head rebuilds on Brio 50i models.