| Item |
Measurement |
Qualification |
Standard or New |
Service Limit |
| Valve |
Clearance (cold) |
Intake |
0.18-0.22 mm (0.007-0.009 in.) |
- |
| Exhaust |
0.23-0.27 mm (0.009-0.011 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 (2.112 in.) |
| Exhaust |
53.17-53.64 mm (2.093-2.112 in.) |
53.89 mm (2.112 in.) |
| Valve springs |
Free length for D15Y4, D16W7, D17A2, D17A5 engines |
VTEC intake |
56.49 mm (2.224 in.) |
- |
| VTEC exhaust |
58.70 mm (2.311 in.) |
- |
| Free length for D16W8 engine |
VTEC intake |
58.02 mm (2.284 in.) |
- |
| VTEC exhaust |
58.70 mm (2.311 in.) |
- |
| Free length for D14Z5, D15Y2, D15Y3, D15Y5, D15Y6, D17A1, D17Z1 engines |
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 arms |
Arm-to-shaft clearance |
Intake |
0.017-0.050 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.) |
