Cylinder Head
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.) |