939003389 - VALVES

Measurement	Value	Validity
Inlet valve stem diameter	5.900 - 5.940 mm	1.9 JTS2.2 JTS
Inlet valve stem diameter	5.982 - 6.000 mm	1.9 JTD 16V2.4 JTD 20V
Inlet valve stem diameter	5.955 - 5.975 mm	3.2 JTS
Inlet valve stem diameter	4.955 - 4.970 mm	1.8
Exhaust valve stem diameter	5.900 - 5.940 mm	1.9 JTS2.2 JTS
Exhaust valve stem diameter	5.972 ÷ 5.990	1.9 JTD 16V2.4 JTD 20V
Exhaust valve stem diameter	5.945 - 5.965 mm	3.2 JTS
Exhaust valve stem diameter	4.935 - 4.950 mm	1.8
Exhaust/inlet valve stem diameter	7.974 - 7.992 mm	1.9 JTD 8V
Inlet valve stem clearance	0.030 - 0.061 mm	1.8
Exhaust valve stem clearance	0.050 - 0.081 mm	1.8
Valve stem diameter oversizes	0.075/0.150 mm	1.8
Inlet valve head diameter	34.95 - 35.25 mm	1.9 JTS2.2 JTS
Exhaust valve head diameter	29.95 - 30.25 mm	1.9 JTS2.2 JTS
Inlet valve seat outer diameter	29.600 - 29.611 mm	1.9 JTD 16V2.4 JTD 20V
Exhaust valve seat outer diameter	27.600 - 27.611 mm	1.9 JTD 16V2.4 JTD 20V
Inlet valve seat outer diameter	36.039 - 36.064 mm	1.9 JTD 8V
Exhaust valve seat outer diameter	35.039 - 35.064 mm	1.9 JTD 8V
Valve seat band angle in contact with valve	45° +/- 1’	1.9 JTD 16V2.4 JTD 20V
Valve seat band angle in contact with valve	45° +/- 20’	1.9 JTD 8V
Valve recess in relation to cylinder head plane	0.1 - 0.5 mm	1.9 JTD 8V
Tappet rod outer diameter	36.975 - 36.991 mm	1.9 JTD 8V
Tappet rod housing diameter	37.010 - 37.030 mm	1.9 JTD 8V
Inlet valves clearance in closed position	0.25 - 0.35 mm	1.9 JTD 8V
Inlet valves clearance in closed position	0.21 - 0.29 mm	1.8
Exhaust valves clearance in closed position	0.30 - 0.40 mm	1.9 JTD 8V
Exhaust valves clearance in closed position	0.27 - 0.35 mm	1.8
Inlet valve seat width	1.0 - 1.4 mm	1.8
Exhaust valve seat width		1.8
Valve seat angle	90° 30’	1.8
Inlet valve head diameter	30.7 - 30.8 mm	1.8
Exhaust valve head diameter	27.1 - 27.2 mm	1.8
Valve head angle	90° 40’	1.8