Cylinder Head Valves
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| Illustration 1 | g00903737 |
(1) Valve spring
- Standard free length for C1.5 and C2.2 ... 35.0 mm (1.378 inch)
- Service limit for the standard free length for C1.5 and C2.2 ... 33.5 mm (1.319 inch)
- Standard test force for C1.5 and C2.2 ... 79 N (17.8 lb)
- Service limit for the standard test force for C1.5 and C2.2 ... 68.6 N (15.4 lb)
- Length under test force for C1.5 and C2.2 ... 30.4 mm (1.197 inch)
(2) Valve guide seal for the exhaust valve
- Identification ... Black garter spring
- Label on the black garter spring ... "EX"
(3) Valve guide seal for the inlet valve
- Identification ... Silver garter spring
(4) Valve spring recess for the valve spring
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| Illustration 2 | g00903744 |
(5) Exhaust valve guide
(A) Clearance between the exhaust valve and the valve guide
- C1.5 and C2.2 ... 0.050 to 0.075 mm (0.0020 to 0.0030 inch)
- Service limit ... 0.25 mm (0.010 inch)
(6) Inlet valve guide
(A) Clearance between the inlet valve and the valve guide
- C1.5 and C2.2 ... 0.030 to 0.060 mm (0.0012 to 0.0024 inch)
- Service limit ... 0.2 mm (0.008 inch)
(7) Exhaust valve stem
- Diameter of the exhaust valve stem for C1.5 and C2.2 ... 6.940 to 6.955 mm (0.2732 to 0.2738 inch)
- Service limit ... 6.84 mm (0.269 inch)
(8) Inlet valve stem
- Diameter of the inlet valve stem for C1.5 and C2.2 ... 6.955 to 6.970 mm (0.27382 to 0.27441 inch)
- Service limit ... 6.89 mm (0.271 inch)
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| Illustration 3 | g00845823 |
(B) Thickness of the valve head ... 0.925 to 1.075 mm (0.03642 to 0.04232 inch)
Service limit ... 0.5 mm (0.020 inch)
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| Illustration 4 | g00903773 |
(C) Valve depth below the cylinder head face
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Inlet and exhaust valves
- C1.5 ... 0.65 to 0.95 mm (0.0256 to 0.0374 inch)
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Inlet and exhaust valves
- C2.2 ... 0.65 to 0.95 mm (0.0256 to 0.0374 inch)
- Service limit ... 1.8 mm (0.071 inch)
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| Illustration 5 | g00903760 |
(D) Valve seat angle ... 45 degrees
(E) Contact face
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Exhaust valve
- C1.5 ... 1.66 to 1.73 mm (0.0653 to 0.0681 inch)
- C2.2 ... 1.94 to 2.16 mm (0.0764 to 0.0850 inch)
- Service limit ... 2.5 mm (0.098 inch)
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Inlet valve
- C1.5 ... 1.66 to 1.87 mm (0.0653 to 0.0736 inch)
- C2.2 ... 1.50 to 2.00 mm (0.0591 to 0.0790 inch)
- Service limit ... 2.5 mm (0.098 inch)
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