Cylinder Head Valves
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| Illustration 1 | g03345806 |
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| Specification for 380-9100 Cylinder Head Gp | |||
| Item | Qty | Part | Specification Description |
| 1 | 24 | 247-9908 Spring | Length under test force is 67.12 mm (2.643 inch). Test force is 320 ± 25 N (72 ± 6 lb). Free length after test is 76.70 mm (3.020 inch). |
| 2 | 24 | 211-3122 Spring | Length under test force is 60.14 mm (2.370 inch). Test force is 150 ± 12 N (34 ± 3 lb). Free length after test is 71.70 mm (2.823 inch). |
| 3 | 12 | 153-7024 Exhaust Valve | Before assembly, coat the exhaust valve stems with clean engine oil. Stem diameter (A) is 9.441 ± 0.010 mm (0.37169 ± 0.00039 inch). Valve head diameter (C) is 41.81 ± 0.13 mm (1.646 ± 0.005 inch). Face angle is 45.75 ± 0.25 degrees. |
| 4 | 12 | 153-7023 Inlet Valve | Before assembly, coat the inlet valve stems with clean engine oil. Stem diameter (B) is 9.441 ± 0.010 mm (0.37169 ± 0.00039 inch). Valve head diameter (D) is 47.00 ± 0.13 mm (1.850 ± 0.005 inch). Face angle is 60.75 ± 0.25 degrees. |
| 5 | 24 | 376-6566 Valve Guide | Bore of the inlet and exhaust valve guide after installation is 9.502 ± 0.013 mm (0.3740 ± 0.0005 inch). |
| 6 | 12 | 224-3983 Seat Insert | Outside diameter of inlet valve seat insert is 48.025 ± 0.013 mm (1.8907 ± 0.0005 inch). Bore in the cylinder head is 47.950 ± 0.025 mm (1.8878 ± 0.0009 inch). Face angle is 30.25 ± 0.25 degrees. |
| 7 | 12 | 226-5561 Valve Seat Insert | Outside diameter of exhaust valve seat insert is 42.840 ± 0.013 mm (1.6866 ± 0.0005 inch). Bore in the cylinder head is 42.774 ± 0.025 mm (1.6840 ± 0.0010 inch). Face angle is 45.25 ± 0.25 degrees. |
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