Cylinder Head
WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2008 Honda S2000, 2007 Honda S2000, 2006 Honda S2000, 2005 Honda S2000, and 2004 Honda S2000. However, it is still accessible from the selected car via links, so may be relevant.
CYLINDER HEAD STANDARDS AND SERVICE LIMITS SPECIFICATIONS TABLE
| Item | Measurement | Qualification | Standard or New | Service Limit |
|---|---|---|---|---|
| Head | Warpage | - | - | 0.05 mm (0.002 in.) |
| Height | - | 104.95-105.05 mm (4.132-4.136 in.) | - | |
| Camshaft | End play | - | 0.05-0.15 mm (0.002-0.006 in.) | 0.30 mm (0.012 in.) |
| Camshaft-to-holder oil clearance | - | 0.060-0.099 mm (0.002-0.004 in.) | 0.15 mm (0.006 in.) | |
| Total runout | - | 0.03 mm (0.001 in.) max. | 0.04 mm (0.002 in.) | |
| Cam lobe height (2000-2003 models) | Intake, primary | 33.677 mm (1.326 in.) | - | |
| Intake, mid | 36.533 mm (1.438 in.) | - | ||
| Intake, secondary | 33.961 mm (1.337 in.) | - | ||
| Exhaust, primary | 33.716 mm (1.327 in.) | - | ||
| Exhaust, mid | 35.928 mm (1.414 in.) | - | ||
| Exhaust, secondary | 33.994 mm (1.338 in.) | - | ||
| Cam lobe height (2004-2009 models) | Intake, primary | 33.961 mm (1.337 in.) | - | |
| Intake, mid | 36.421 mm (1.434 in.) | - | ||
| Intake, secondary | 33.961 mm (1.337 in.) | - | ||
| Exhaust, primary | 33.716 mm (1.327 in.) | - | ||
| Exhaust, mid | 35.660 mm (1.404 in.) | - | ||
| Exhaust, secondary | 33.716 mm (1.327 in.) | - | ||
| Valve | Clearance (cold) | Intake | 0.21-0.25 mm (0.008-0.010 in.) | - |
| Exhaust | 0.25-0.29 mm (0.010-0.011 in.) | - | ||
| Stem O.D. | Intake | 5.48-5.49 mm (0.2157-0.2162 in.) | 5.45 mm (0.215 in.) | |
| Exhaust | 5.45-5.46 mm (0.2146-0.2150 in.) | 5.42 mm (0.213 in.) | ||
| Stem-to-guide clearance | Intake | 0.02-0.05 mm (0.001-0.002 in.) | 0.08 mm (0.003 in.) | |
| Exhaust | 0.05-0.08 mm (0.002-0.003 in.) | 0.11 mm (0.004 in.) | ||
| Valve seat | Width | Intake | 1.05-1.35 mm (0.041-0.053 in.) | 1.80 mm (0.071 in.) |
| Exhaust | 1 25-1.55 mm (0.049-0.061 in.) | 2.00 mm (0.079 in.) | ||
| Stem installed height | Intake | 44.1-44.4 mm (1.736-1.748 in.) | 44.7 mm (1.760 in.) | |
| Exhaust | 44.2-44.5 mm (1.740-1.752 in.) | 44.8 mm (1.764 in.) | ||
| Valve spring | Free length | 2000-2003 models Intake | 49.77 mm (1.959 in.) | - |
| 2004-2009 models Intake | 49.76 mm (1.959 in) | - | ||
| Exhaust | 50.39 mm (1.984 in.) | - | ||
| Valve guide | I.D. | Intake | 5.510-5.530 mm (0.2169-0.2177 in.) | 5.55 mm (0.219 in.) |
| Exhaust | 5.510-5.530 mm (0.2169-0.2177 in.) | 5.55 mm (0.219 in.) | ||
| Installed height | Intake | 15.2-16.2 mm (0.598-0.638 in.) | - | |
| Exhaust | 16 0-17.0 mm (0.630-0.669 in.) | - | ||
| Rocker arm | Arm-to-shaft clearance | Intake | 0.021-0.041 mm (0.0008-0.0016 in.) | 0.07 mm (0.003 in.) |
| Exhaust | 0.021-0.041 mm (0.0008-0.0016 in.) | 0.07 mm (0.003 in.) |