Cylinder Head Valves
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Illustration 1 | g01333841 |
Typical example |
The same valve spring (1) is used on both valves.
When the valve springs are replaced the valve springs must be replaced in pairs.
Refer to table 1 for information on the length of the valve spring and the load of the valve spring.
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The load for the valve spring | The length of the valve spring |
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Illustration 2 | g01333842 |
(2) Valve face angle
- Inlet ... 30 degrees
- Exhaust ... 45 degrees
(3) Valve stem diameter
- Inlet ...
5.942 to 5.957 mm (0.2339 to 0.2345 inch) - Exhaust ...
5.927 to 5.942 mm (0.2333 to 0.2339 inch) - Exhaust ...
Clearance
- Maximum clearance of the inlet valve stem ...
0.05 mm (0.0020 inch) - The service limit for the inlet valve stem ...
0.08 mm (0.0031 inch) - The service limit for the inlet valve stem ...
Clearance
- Maximum clearance of the exhaust valve stem ...
0.065 mm (0.0026 inch) - The service limit for the inlet valve stem ...
0.09 mm (0.0035 inch) - The service limit for the inlet valve stem ...
(4) Length of valve
- Inlet valve ...
107.925 to 108.375 mm (4.2490 to 4.2667 inch) - Exhaust valve ...
107.703 to 108.153 mm (4.2403 to 4.2580 inch) - Exhaust valve ...
(5) Valve head
- Diameter of inlet valve head ...
35 mm (1.3780 inch) - Diameter of exhaust valve head ...
33 mm (1.2992 inch) - Diameter of exhaust valve head ...
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