Cylinder Head Valves
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Illustration 1 | g01445699 |
Note: Apply clean 8T-9548 Oil to the inlet valve stems and to the exhaust valve stems prior to installation in the cylinder head.
(A) Height to the step in the valve guide ...
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Illustration 2 | g02745479 |
Inlet valve |
(1) Inlet valve
- (B) Valve stem diameter ...
9.441 ± 0.008 mm (0.3717 ± 0.0003 inch) - (C) Diameter of the valve head ...
44.50 ± 0.13 mm (1.752 ± 0.005 inch) - (D) Valve face angle ... 60.75 ± 0.25 degrees
- (E) Minimum valve stem diameter ...
9.309 mm (0.3665 inch) - (F) Minimum valve lip thickness ...
3.50 ± 0.20 mm (0.138 ± 0.008 inch) - (C) Diameter of the valve head ...
(2) 224-4441 Spring
- Quantity ... 4
- Length under test force ...
50.47 mm (1.987 inch) - Test force ...
160 ± 13 N (36.0 ± 2.9 lb) - Approximate free length after test ...
64.1 mm (2.52 inch) - Outside diameter ...
23.24 mm (0.915 inch) - Length under test force ...
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Illustration 3 | g02746141 |
Exhaust valve |
(3) Exhaust valve
- (G) Valve stem diameter ...
9.441 ± 0.008 mm (0.3717 ± 0.0003 inch) - (H) Diameter of the valve head ...
41.50 ± 0.13 mm (1.634 ± 0.005 inch) - (J) Valve face angle ... 45.75 ± 0.25 degrees
- (K) Minimum valve stem diameter ...
9.309 mm (0.3665 inch) - (L) Minimum valve lip thickness ...
3.50 ± 0.20 mm (0.138 ± 0.008 inch) - (H) Diameter of the valve head ...
(4) 214-0586 Spring
- Quantity ... 4
- Length under test force ...
52.95 mm (2.085 inch) - Test force ...
320 ± 31 N (71.9 ± 7.0 lb) - Approximate free length after test ...
62.7 mm (2.47 inch) - Outside diameter ...
34.00 mm (1.339 inch) - Length under test force ...
Note: Apply clean 8T-9548 Oil to the valve guide bore before installing the valve guides.
(5) Valve guide
- Quantity ... 4
- Bore of the installed valve guide ...
9.508 ± 0.013 mm (0.3743 ± 0.0005 inch) - Maximum recommended diameter of the valve guide bore ...
9.544 mm (0.3757 inch) - Bore of the installed valve guide ...
Note: Do not use a combination of a valve and a valve guide that has a difference of
(6) Inlet valve insert
- Angle of the valve insert ... 30.75 ± 0.25 degrees
- Diameter of the valve insert ...
45.525 ± 0.013 mm (1.7923 ± 0.0005 inch) - Bore in the cylinder head for the valve insert ...
45.46 ± 0.015 mm (1.78976 ± 0.00059 inch) - Diameter of the valve insert ...
(7) Exhaust valve insert
- Angle of the valve insert ... 44.75 ± 0.25 degrees
- Diameter of the valve insert ...
42.390 ± 0.015 mm (1.6689 ± 0.0006 inch) - Bore in the cylinder head for the valve insert ...
42.320 ± 0.015 mm (1.6661 ± 0.0006 inch) - Diameter of the valve insert ...
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