Specifications, Mechanical: Valves
Valve crown diameter (A)
| Inlet........31.00 0.15 mm |
| Exhaust........27.00 0.15 mm |
Valve stem diameter (B)
| Inlet........6.970 +0/-0.015mm |
Valve stem diameter (B1)
| Exhaust |
| H1 = 17.40 mm........6.963 0.007 mm |
Valve stem diameter (B2)
| Exhaust |
| H2 = 70.40 mm........6.953 0.007 mm |
Total valve length (C)
| Inlet........104.25 0.25 mm |
| Exhaust........103.30 0.25 mm |
Disc edge height (D)
| Inlet and exhaust........1.50 mm |
| Minimum height after grinding........1.20 mm |
Mating surface angle (E)
| Inlet and exhaust........44.5° |
Valve stem vertical position
| Valve stem height........48.4 0.5 mm |
| Maximum machining of the valve stem........0.5 mm |