Cylinder Head Valves
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| Illustration 1 | g01618493 |
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 |
147.3 to 162.8 N (33.1145 to 36.5991 lb) |
31.5 mm (1.2402 inch) |
296.4 to 327.6 N (66.6337 to 73.6478 lb) |
22.2 mm (0.8740 inch) |
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| Illustration 2 | g01618494 |
(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)
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)
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)
(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)
(5) Valve head
- Diameter of inlet valve head ... 35 mm (1.3780 inch)
- Diameter of exhaust valve head ... 33 mm (1.2992 inch)
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