Engine Block
ENGINE BLOCK SPECIFICATIONS
| 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 | 73.00-73.02 mm (2.8740-2.8748 in.) | 73.07 mm (2.8767 in.) | ||
| Bore taper | - | 0.05 mm (0.002 in.) | ||
| Reboring limit | - | 0.25 mm (0.01 in.) | ||
| Piston | Skirt O.D. at 16 mm (0.6 in.) from bottom of skirt | 72.98-72.99 mm (2.8732-2.8736 in.) | 72.97 mm (2.8728 in.) | |
| Clearance in cylinder | 0.010-0.040 mm (0.0004-0.0016 in.) | 0.05 mm (0.002 in.) | ||
| Ring groove width | Top | 1.050-1.060 mm (0.0413-0.0417 in.) | 1.08 mm (0.043 in.) | |
| Second | 1.220-1.230 mm (0.0481-0.0484 in.) | 1.250 mm (0.0492 in) | ||
| Oil | 2.005-2.020 mm (0.0789-0.0795 in.) | 2.050 mm (0.0807 in.) | ||
| Piston ring | Ring-to-groove clearance | Top | 0.065-0.090 mm (0.0026-0.0035 in.) | 0.15 mm (0.006 in.) |
| Second | 0.030-0.055 mm (0.0012-0.0022 in.) | 0.13 mm (0.005 in.) | ||
| Ring end gap | Top | 0.15-0.30 mm (0.006-0.012 in.) | 0.60 mm (0.024 in.) | |
| Second | 0.35-0.50 mm (0.014-0.020 in.) | 0.65 mm (0.026 in.) | ||
| Oil | 0.20-0.70 mm (0.008-0.028 in.) | 0.80 mm (0.031 in.) | ||
| Piston pin | O.D. | 17.996-18.000 mm (0.7085-0.7087 in.) | - | |
| Pin-to-piston clearance | 0.010-0.018 mm (0.0004-0.0007 in.) | - | ||
| Connecting rod | Pin-to-rod interference | 0.020-0.036 mm (0.0008-0.0014 in.) | - | |
| Small-end bore diameter | 17.964-17.977 mm (0.707-0.708 in.) | - | ||
| Large-end bore diameter | 43.0 mm (1.69 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 | 49.976-50.000 mm (1.9676-1.9685 in.) | - | |
| Rod journal diameter | 39.976-40.000 mm (1.5739-1.5748 in.) | - | ||
| Rod/main journal taper | 0.005 mm (0.0002 in.) | 0.010 mm (0.0004 in.) | ||
| Rod/main journal out-of-round | 0.005 mm (0.0002 in.) | 0.010 mm (0.0004 in.) | ||
| End play | 0.10-0.35 mm (0.004-0.014 in.) | 0.45 mm (0.018 in.) | ||
| Runout | 0.03 mm (0.0012 in.) max. | 0.04 mm (0.0016 in.) | ||
| Crankshaft bearing | Main bearing-to-journal oil clearance | 0.018-0.036 mm (0.0007-0.0014 in.) | 0.050 mm (0.0020 in.) | |
| Rod bearing clearance | 0.020-0.038 mm (0.0008-0.0015 in.) | 0.050 mm (0.0020 in.) |