Illustration 1 | g00903737 |
Typical example |
(1) Valve spring
- Standard free length ...
35.0 mm (1.378 inch)
- Service limit for the standard free length ...
33.5 mm (1.319 inch)
- Standard test force ...
79.4 N (17.8 lb)
- Service limit for the standard test force ...
68.6 N (15.4 lb)
- Length under test force ...
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
Illustration 2 | g00903744 |
Typical example |
(5) Exhaust valve guide
(A) Clearance between the exhaust valve and the valve guide ...
Service limit ...
(6) Inlet valve guide
(A) Clearance between the inlet valve and the valve guide ...
Service limit ...
(7) Exhaust valve stem
- Diameter of the exhaust valve stem ...
6.955 to 6.970 mm (0.27382 to 0.27441 inch)
- Service limit ...
6.89 mm (0.27126 inch)
(8) Inlet valve stem
- Diameter of the inlet valve stem ...
6.955 to 6.970 mm (0.27382 to 0.27441 inch)
- Service limit ...
6.89 mm (0.271 inch)
Illustration 3 | g00845823 |
Typical example |
(B) Thickness of the valve head ...
Service limit ...
Illustration 4 | g00903773 |
Typical example |
(C) Valve depth below the cylinder head face
- Inlet and exhaust valves ...
0.75 to 0.85 mm (0.0295 to 0.0335 inch)
- Service limit ...
1.6 mm (0.063 inch)
Illustration 5 | g03811083 |
Typical example |
(D) Valve seat angle ... 45 degrees
(E) Contact face
- Exhaust valve ...
1.50 to 1.86 mm (0.059 to 0.073 inch) - Service limit ...
2.5 mm (0.098 inch) - Service limit ...
- Inlet valve ...
2.16 to 2.38 mm (0.085 to 0.093 inch) - Service limit ...
2.7 mm (0.106 inch) - Service limit ...