Usage:
(1) 9N5496 Spring for valves (outer):
Length under test force ... 45.47 mm (1.790 in)
Test force ... 185.0 ± 18.0 N (41.57 ± 4.04 lb)
Use again minimum load at length under test force ... 166 N (37.3 lb)
Length of spring at valve open position ... 30.23 mm (1.190 in)
Use again minimum load at valve open position ... 600 N (135 lb)
Free length after test ... 51.77 mm (2.038 in)
Outside diameter ... 39.62 mm (1.560 in)
Spring must not be bent more than ... 1.80 mm (.071 in)
(1) 9N5495 Spring for valves (inner):
Length under test force ... 42.47 mm (1.672 in)
Test force ... 91.2 ± 9.0 N (20.49 ± 2.02 lb)
Use again minimum load at length under test force ... 81.9 N (18.40 lb)
Length of spring at valve open position ... 27.23 mm (1.072 in)
Use again minimum load at valve open position ... 295 N (66.3 lb)
Free length after test ... 48.77 mm (1.920 in)
Outside diameter ... 26.67 mm (1.050 in)
Spring must not be bent more than ... 1.70 mm (.067 in)
(2) Distance from the end of the valve to the valve spring spacer seat ... 52.40 ± 0.38 mm (2.063 ± .015 in)
(3) Diameter of valve stem:
7C0362 and 9L7682 Inlet Valve ... 9.462 ± 0.013 mm (.3725 ± .0005 in)
Use again minimum diameter of the valve stem ... 9.42 mm (.371 in)
9N5125 Exhaust Valve (tapered stem):
Head end of valve stem ... 9.411 ± 0.013 mm (.3705 ± .0005 in)
Use again minimum diameter of the head end of valve stem ... 9.375 mm (.3691 in)
Lock end of valve stem ... 9.436 ± 0.013 mm (.3715 ± .0005 in)
Use again minimum diameter of the lock end of valve stem ... 9.408 mm (.3704 in)
119-6772 Exhaust Valve (tapered stem):
Head end of valve stem ... 9.424 mm ± 0.013 mm (.3710 ± .0005 in)
Use again minimum diameter of the head end of valve stem ... 9.389 mm (.3696 in)
Lock end of valve stem ... 9.450 mm ± 0.013 mm (.3720 ± .0005 in)
Use again minimum diameter of the lock end of valve stem ... 9.422 mm (.3709 in)
Bore in the valve guides (inlet and exhaust) ... 9.512 ± 0.013 mm (.3745 ± .0005 in)
Maximum permissible bore in the valve guides (worn):
Measure 19.0 mm (.75 in) deep in valve guide bore from both ends of the valve guide ... 9.550 mm (.3760 in)
(4) Angle of valve face:
Inlet valve ... 30 degrees ± 1/4
Exhaust valve ... 45 degrees ± 1/4
(5) Diameter of valve head (inlet valve) ... 53.19 ± 0.13 mm (2.094 ± .005 in)
Diameter of valve head (exhaust valve) ... 45.82 ± 0.13 mm (1.804 ± .005 in)
(6) Thickness of valve lip:
Inlet valve ... 2.31 mm (.091 in)
Use again minimum valve lip thickness ... 1.78 mm (.070 in)
Exhaust valve ... 1.60 mm (.063 in)
Use again minimum valve lip thickness ... 1.27 mm (.050 in)