Standards and Service Limits

Cylinder Head

2-3  

Item Measurement Qualification Standard or New Service Limit
Head Warpage   - 0.05 mm (0.002 in.)
Height   92.95-93.05 mm

(3.659-3.663 in.)

-
Camshaft End play   0.05-0.15 mm

(0.002-0.006 in.)

0.5 mm (0.02 in.)
Camshaft-to-holder oil clearance   0.050-0.089 mm

(0.0020-0.0035 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 D17A2, D17A5, D17A9 engines VTEC intake, Primary 38.604 mm (1.5198 in.) -
VTEC intake, secondary 32.848 mm (1.2932 in.) -
VTEC exhaust 38.299 mm (1.3897 in.) -
Cam lobe height D17A8 engine Intake 35.299 mm (1.3897 in.) -
Exhaust 37-281 mm (1.4678 in.) -
Valves Clearance (cold) Intake 0.18-0.22 mm (0.007-0.009 in.) -
Exhaust 0.23-0.27 mm (0.009-0.01 in.) -
Stem O.D Intake 5.48-5.49 mm

(0.2157-0.2161 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

(0.0008-0.0020 in.)

0.08 mm (0.003 in.)
Exhaust 0.05-0.08 mm

(0.0020-0.0031 in.)

0.11 mm (0.004 in.)
Valve seats Width Intake 0.85-1.15 mm

(0.033-0.045 in.)

1.60 mm (0.063 in.)
Exhaust 1.25-1.55 mm

(0.049-0.061 in.)

2.00 mm (0.079 in.)
Stem installed height Intake 53.17-53.64 mm

(2.093-2.112 in.)

53.89 mm (2.122 in.)
Exhaust 53-17-53.64 mm

(2.093-2.112 in.)

53.89 mm (2.112 in.)
Valve springs Free length D17A2, D17A5, D17A9 engines VTEC intake 56-49 mm (2.224 in.) -
VTEC exhaust 58-70 mm (2.31 in.) -
Free length D17A8 engine Intake 58.70 mm (2.311 in.) -
Exhaust 58.70 mm (2.311 in.) -
Valve guides I.D. Intake 5.51-5.53 mm

(0.217-0.218 in.)

5.55 mm (0.219 in.)
Exhaust 5-51-5.53 mm

(0.217-0.218 in.)

5.55 mm (0.219 in.)
Installed height Intake 17.85-18.35 mm

(0.703-0.722 in.)

-
Exhaust 18-65-19.15 mm

(0.734-0.754 in.)

-
Rocker arm Arm-to-shaft clearance Intake 0.014-0.050 mm

(0.0007-0.0020 in.)

0.08 mm (0.003 in.)
Exhaust 0.018-0.054 mm

(0.0007-0.0021 in.)

0.08 mm (0.003 in.)