| Measurement | Value | Validity |
|---|
| Engine cylinder head lower surface flatness (mm) | < 0.1 | |
| Cylinder head lower plane minimum permitted height (mm) | 107 +/- 0.05 | 1.9 JTD 16v |
| Cylinder head height (factory value) (mm) | 77 | 1.4 16v TJet |
| Cylinder head height (factory value) (mm) | 77 +/- 0.2 | 1.4 16v |
| Cylinder head nominal height (mm) | 140.85 ÷ 141.15 | 1.9 JTD 8v |
| Cylinder head nominal height (mm) | 107 +/- 0.05 | 1.9 JTD 16v |
| Combustion chamber volume (cc) | 14 | 1.4 16v |
| Combustion chamber volume (cc) | 14.30 | 1.4 16v TJet |
| Cylinder head gasket size with maximum piston projection (mm) | projection-0.020 ÷ +0.100thickness (no opening)0.770 ÷ 0.870 | 1.9 JTD 8v |
| Cylinder head gasket size with maximum piston projection (mm) | projection0.101 ÷ 0.200thickness (one opening)+0.870 ÷ +0.970 | 1.9 JTD 8v |
| Cylinder head gasket size with maximum piston projection (mm) | projection0.201 ÷ 0.295thickness (two openings)+0.970 ÷ +1.070 | 1.9 JTD 8v |
| Cylinder head gasket size with maximum piston projection (mm) | projection-0.020 ÷ +0.100thickness (no opening)0.82 +/- 0.05 | 1.9 JTD 16v |
| Cylinder head gasket size with maximum piston projection (mm) | projection+0.101 ÷ +0.200thickness (one opening)0.92 +/- 0.05 | 1.9 JTD 16v |
| Cylinder head gasket size with maximum piston projection (mm) | projection+0.201 +/- +0.295thickness (two openings)1.02 +/- 0.05 | 1.9 JTD 16v |