Cylinder Head (1.5 L)
WARNING: This page is about a different car, the 2021 Honda Civic and 2020 Honda Civic. However, it is still accessible from the selected car via links, so may be relevant.
| Item | Measurement | Qualification | Standard or New | Service Limit |
|---|---|---|---|---|
| Head | Warpage | 0.08 mm (0.003 in) max. | - | |
| Height | 126.95-127.05 mm (4.9980-5.0020 in) | - | ||
| Camshaft | End play | Intake/Exhaust | 0.065-0.215 mm (0.00256-0.00846 in) | 0.415 mm (0.01634 in) |
| Camshaft-to-holder oil clearance (intake) | No. 1 journal | 0.030-0.069 mm (0.00118-0.00272 in) | 0.120 mm (0.00472 in) | |
| No. 2, 3, 4, 5 journals | 0.060-0.099 mm (0.00236-0.00390 in) | 0.150 mm (0.00591 in) | ||
| Camshaft-to-holder oil clearance (exhaust) | No. 1, 2 journals | 0.030-0.069 mm (0.00118-0.00272 in) | 0.120 mm (0.00472 in) | |
| No. 3, 4, 5 journals | 0.060-0.099 mm (0.00236-0.00390 in) | 0.150 mm (0.00591 in) | ||
| Total runout | 0.03 mm (0.0012 in) max. | - | ||
| Cam lobe height | Intake | 33.099 mm (1.30311 in) | - | |
| Exhaust | 33.273 mm (1.30996 in) | - | ||
| Valve | Clearance (cold) | Intake | 0.21-0.25 mm (0.009 in) | - |
| Exhaust | 0.25-0.29 mm (0.010-0.011 in) | - | ||
| Stem O.D. | Intake | 5.48-5.49 mm (0.2157-0.2161 in) | 5.45 mm (0.2146 in) | |
| Exhaust | 5.45-5.46 mm (0.2146-0.2150 in) | 5.42 mm (0.2134 in) | ||
| Stem-to-guide clearance | Intake | 0.025-0.050 mm (0.00098-0.00197 in) | 0.08 mm (0.0031 in) | |
| Exhaust | 0.055-0.080 mm (0.00217-0.00315 in) | 0.11 mm (0.0043 in) | ||
| Valve seat | Width | Intake/Exhaust | 1.25-1.55 mm (0.0492-0.0610 in) | 2.00 mm (0.0787 in) |
| Stem installed height | Intake | 53.40-54.40 mm (2.1024-2.1417 in) | 54.60 mm (2.1496 in) | |
| Exhaust | 45.90-46.90 mm (1.8071-1.8465 in) | 47.10 mm (1.8543 in) | ||
| Valve guide | Installed height | Intake | 21.25-21.75 mm (0.8366-0.8563 in) | - |
| Exhaust | 19.75-20.25 mm (0.7776-0.7972 in) | - | ||
| Rocker arm | Arm-to-shaft clearance | Intake/Exhaust | 0.018-0.059 mm (0.00071-0.00232 in) | 0.080 mm (0.00315 in) |