possible to replace valve seat inserts.

49. Insert each valve into its respective guide.
50. Using a straight edge and feeler gauges, check and record stand down of each valve head.
51. Compare figures obtained with those given below: l Valve head stand down - Inlet valve A = 0.555 to 0.825 mm (0.022 to 0.032 in) l Valve head stand down - Exhaust valve B = 0.545 to 1.35 mm (0.021 to 0.053 in)
52. If any valve has a stand down greater than specified, repeat check using a new valve. If, after checking with a new valve, stand down is still excessive, cylinder head assembly must be replaced. It is not
53. Suitably identify each rocker arm to its fitted

possible to replace valve seat inserts.

position and type of rocker arm fitted. NOTE: l Engine Serial No. Prefixes 10P to 14P - Type A rocker arms l Engine Serial No. Prefixes 15P to 19P - Type B rocker arms.

Type B rocker arms and shafts may be fitted to Engine Serial No. Prefixes 10P to 14P as an assembly.