Figure 3.42. Cylinder head and valves of 12V SOHC engines: 1 - Cylinder head mounting bolt; 2 - Cylinder head (assembled); 3 - Cylinder head gasket; 4, 9 - Valve crackers; 5, 10 - Spring retainers; 6, 11 - Springs; 7 - Inlet valve (primary); 8 - Inlet valve (secondary); 12 - Exhaust valve; 13, 15 - Valve stem seals; 14, 16 - Spring seats; 17 - Intake valve stem guide bushing; 18 - Exhaust valve stem guide bushing; 19- Inlet valve seat ring (primary); 20 - Inlet valve seat ring (secondary); 21 - Exhaust valve seat ring; 22 - Cylinder head
Figure 3.43. Cylinder head and valves of SOHC 16V engines: 1 - Cylinder head mounting bolt; 2 - Cylinder head (assembled); 3 - Cylinder head gasket; 4, 8 - Valve crackers; 5, 9 - Spring retainers; 6,10- Springs; 7 - Exhaust valve; 11 - Inlet valve; 12, 14 - Valve stem seals; 13, 15 - Spring seats; 16 - Exhaust valve stem guide bushing; 17 - Inlet valve guide bushing; 18 - Exhaust valve seat ring; 19 - Inlet valve seat ring; 20 - Cylinder head
Figure 3.44. Cylinder head and valves of DOHC engines: 1 - Cylinder head mounting bolt; 2 - Cylinder head (assembled); 3 - Cylinder head gasket; 4, 8 - Valve crackers; 5.9- Spring saddles; 6, 10 - Springs; 7 - Inlet valve; 11 - Exhaust valve; 12, 14-Valve stem seals; 13, 15 - Spring seats; 16 - Intake valve stem guide bushing; 17 - Exhaust valve stem guide bushing; 18 - Inlet valve seat ring; 19 - Exhaust valve seat ring; 20 - Cylinder head