Cylinder Head Valves
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Illustration 1 | g06361838 |
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Item | Qty | Part | Specification Description |
1 | 12 | 490-1729 Inlet Valve | Before assembly of cylinder head valves, coat the valve guide inside diameter with clean engine oil. |
Diameter of valve head is |
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Face angle is 60.5 ± 0.25 degrees. | |||
2 | 12 | 490-1728 Exhaust Valve | Before assembly of cylinder head valves, coat the valve guide inside diameter with clean engine oil. |
Diameter of valve head is |
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Face angle is 45.75 ± 0.25 degrees. | |||
3 | 24 | 349-5307 Spring | Length under test force is |
Test force is |
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Approximate free length after test is |
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4 | 24 | 349-5303 Spring | Length under test force is |
Test force is |
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Approximate free length after test is |
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Before assembly of valve guide, coat the cylinder head bore for valve guide with clean engine oil. | |||
5 | 24 | 255-8665 Valve Guide | Install the valve guide from the spring side of the cylinder head. Check the inside diameter of the valve guide for distortion after installation into the cylinder head. |
Outside diameter is |
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Inside diameter is |
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After assembly of the valve guide into the cylinder head, install the seal onto the top of the valve guide. | |||
D1 | - | Diameter of valve stem is |
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Illustration 2 | g06361885 |
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Item | Qty | Part | Specification Description |
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D2 | - | - | Depth of the bore in the cylinder head for the inlet valve seat insert is |
D3 | - | - | Depth of the bore in the cylinder head for the exhaust valve seat insert is |
D4 | - | - | Diameter of the inlet 255-8666 Valve Seat Insert is |
Bore in cylinder head for the inlet valve seat insert is |
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D5 | - | - | Diameter of the exhaust 262-2959 Valve Seat Insert is |
Bore in cylinder head for the exhaust valve seat insert is |
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