198001553 - VALVE SEATS
| Measurement | Value | Validity |
|---|---|---|
| Inlet valve seat outer diameter (mm) | 36.039 ÷ 36.064 | 1.9 JTD 8v |
| Exhaust valve seat outer diameter (mm) | 35.039 ÷ 35.064 | 1.9 JTD 8v |
| Valve seat band angle in contact with valve | 45° +/- 20’ | 1.9 JTD 8v |
| Valve seat band angle in contact with valve | 45° 30’ +/- 1° | 1.9 JTD 16v |
| Cylinder head plane valve inset (mm) | 0.1 ÷ 0.5 | 1.9 JTD 8v |
| Inlet valve seat outer diameter (mm) | 29.600 ÷ 29.611 | 1.9 JTD 16v |
| Exhaust valve seat outer diameter (mm) | 27.600 ÷ 27.611 | 1.9 JTD 16v |