Illustration 1 | g01386499 |
(1) Inlet valve (2) Exhaust valve |
Note: Coat the inlet valve stems and the exhaust valve stems with 8T-2998 Lubricant prior to installation into the cylinder head.
(A) Height to the step that is in the valve guide ... 12.0 ± 0.5 mm (0.47 ± 0.02 inch)
(3) 190-6117 Spring
- Length under test force ... 37.70 mm (1.484 inch)
- Test force ... 350 ± 17 N (79 ± 3.8 lb)
- Free length after test ... 57.80 mm (2.276 inch)
- Outside diameter ... 31.79 mm (1.252 inch)
- Test force ... 350 ± 17 N (79 ± 3.8 lb)
(4) 190-6115 Spring
- Length under test force ... 36.5 mm (1.44 inch)
- Test force ... 187 ± 8 N (42 ± 1.8 lb)
- Free length after test ... 57.80 mm (2.276 inch)
- Outside diameter ... 23.18 mm (0.913 inch)
- Test force ... 187 ± 8 N (42 ± 1.8 lb)
(B) New valve stem diameter ... 9.441 ± 0.010 mm (0.3717 ± 0.0004 inch)
(C) Diameter of valve head
- Inlet valve ... 36.00 ± 0.13 mm (1.417 ± 0.005 inch)
- Exhaust valve ... 36.00 ± 0.13 mm (1.417 ± 0.005 inch)
Illustration 2 | g01343286 |
View of area D |
(F) Angle of face of inlet valve seat insert ... 65 ± 0.25 degrees
Illustration 3 | g01343289 |
View of area E |
(G) Angle of face of exhaust valve seat insert (first cut) ... 20 ± 1 degrees
(H) Angle of face of exhaust valve seat insert (second cut) ... 45 ± 0.25 degrees
Illustration 4 | g01343291 |
(J) Depth of the bore in the cylinder head for the valve seat insert
- Inlet ... 9.50 ± 0.05 mm (0.374 ± 0.002 inch)
- Exhaust ... 12.00 ± 0.05 mm (0.472 ± 0.002 inch)
Note: Shrink the valve seat inserts by reducing the temperature. Shrinking the valve seat inserts allows placement into the counterbore.
(K) Valve seat insert
- Diameter of valve seat insert (inlet valve) ... 37.060 ± 0.013 mm (1.4591 ± 0.0005 inch)
- Bore in cylinder head for valve seat insert (inlet valve) ... 37.000 ± 0.015 mm (1.4567 ± 0.0006 inch)
- Diameter of valve seat insert (exhaust valve) ... 37.560 ± 0.013 mm (1.4787 ± 0.0005 inch)
- Bore in cylinder head for valve seat insert (exhaust valve) ... 37.500 ± 0.015 mm (1.4764 ± 0.0006 inch)
- Bore in cylinder head for valve seat insert (inlet valve) ... 37.000 ± 0.015 mm (1.4567 ± 0.0006 inch)
(L) Angle of valve face
- Angle of the inlet valve face ... 65.75 ± 0.25 degrees
- Angle of the exhaust valve face ... 45.75 ± 0.25 degrees