Engine Block
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.
ENGINE BLOCK STANDARDS AND SERVICE LIMITS SPECIFICATIONS TABLE
| Item | Measurement | Qualification | Standard or New | Service Limit |
|---|---|---|---|---|
| Block | Warpage of deck | - | 0.07 mm (0.003 in.) max. | 0.10 mm (0.004 in.) |
| Bore diameter | A or I | 87.010-87.020 mm (3.4256-3.4260 in.) | 87.070 mm (3.4279 in.) | |
| B or II | 87.000-87.010 mm (3.4252-3.4256 in.) | 87.070 mm (3.4279 in.) | ||
| Bore taper | - | - | 0.05 mm (0.002 in.) | |
| Reboring limit | - | - | 0.25 mm (0.01 in.) | |
| Piston | Skirt | No letter | 86.993-87.006 mm (3.4249-3.4254 in.) | 86.980 mm (3.4244 in.) |
| Letter B | 86.983-86.996 mm (3.4245-3.4250 in.) | 86.970 mm (3.4240 in.) | ||
| Clearance in cylinder | - | 0.004-0.027 mm (0.0002-0.0011 in.) | 0.04 mm (0.002 in.) | |
| Ring groove width | Top | 1.235-1.265 mm (0.0486-0.0498 in.) | 1.285 mm (0.0506 in.) | |
| Second | 1.230-1.245 mm (0.0484-0.0490 in.) | 1.265 mm (0.0498 in.) | ||
| Oil | 2.005-2.025 mm (0.0789-0.0797 in.) | 2.05 mm (0.081 in.) | ||
| Piston ring | Ring-to-groove clearance | Top | 0.045-0.090 mm (0.0018-0.0035 in.) | 0.135 mm (0.005 in.) |
| Second | 0.040-0.070 mm (0.0016-0.0028 in.) | 0.13 mm (0.005 in.) | ||
| Ring end gap | Top | 0.25-0.35 mm (0.010-0.014 in.) | 0.60 mm (0.024 in.) | |
| Second | 0.60-0.75 mm (0.024-0.030 in.) | 0.90 mm (0.035 in.) | ||
| Oil | 0.20-0.70 mm (0.008-0.028 in.) | 0.80 mm (0.031 in.) | ||
| Piston pin | O.D. | - | 22.961-22.965 mm (0.9040-0.9041 in.) | 22.953 mm (0.9037 in.) |
| Pin-to-piston clearance | - | -0.0020 to +0.0050 mm (-0.00008 to +0.00020 in.) | 0.010 mm (0.0004 in.) | |
| Connecting rod | Pin-to-rod clearance | - | 0.018-0.035 mm (0.0007-0.0014 in.) | 0.04 mm (0.0016 in.) |
| Small-end bore diameter | - | 22.983-22.996 mm (0.9048-0.9053 in.) | - | |
| Large-end bore diameter (Normal) | - | 51.0 mm (2.01 in.) | - | |
| End play installed on crankshaft | - | 0.15-0.30 mm (0.006-0.012 in.) | 0.40 mm (0.016 in.) | |
| Crankshaft | Main journal diameter | - | 54.976-55.000 mm (2.1644-2.1654 in.) | - |
| Rod journal diameter | - | 47.976-48.000 mm (1.8888-1.8898 in.) | - | |
| Rod/main journal taper | - | 0.005 mm (0.0002 in.) max. | 0.006 mm (0.0002 in.) | |
| Rod/main journal out-of-round | - | 0.004 mm (0.0002 in.) max. | 0.006 mm (0.0002 in.) | |
| End play | - | 0.10-0.35 mm (0.004-0.014 in.) | 0.45 mm (0.018 in.) | |
| Runout | - | 0.02 mm (0.0008 in.) max. | 0.04 mm (0.0016 in.) | |
| Crankshaft bearing | Main bearing-to-journal oil clearance | - | 0.017-0.041 mm (0.0007-0.0016 in.) | 0.050 mm (0.0020 in.) |
| Rod bearing clearance | - | 0.030-0.054 mm (0.0012-0.0021 in.) | 0.060 mm (0.0024 in.) |