Engine Block
ENGINE BLOCK SPECIFICATION
| 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 | 73.000-73.015 mm (2.8740-2.8746 in) | 73.065 mm (2.8766 in) | ||
| Bore taper | Limit: (difference between first and third measurement) | - | 0.05 mm (0.002 in) | |
| Reboring limit | - | 0.25 mm (0.010 in) | ||
| Piston | Skirt O.D. at 16 mm (0.6 in) from bottom of skirt | 72.969-72.979 mm (2.8728-2.8732 in) | 72.967 mm (2.8727 in) | |
| Clearance in cylinder | 0.021-0.046 mm (0.0008-0.0018 in) | 0.05 mm (0.002 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) | 0.12 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 | 0.30-0.42 mm (0.012-0.017 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 | 0.010-0.017 mm (0.0004-0.0007 in) | - | ||
| Connecting rod | Pin-to-rod interference | 0.019-0.036 mm (0.0007-0.0014 in) | - | |
| Small-end bore diameter | 17.964-17.977 mm (0.7072-0.7078 in) | - | ||
| Large-end bore diameter | Normal | 43.0 mm (1.69 in) | - | |
| End play installed on crankshaft | 0.15-0.35 mm (0 006-0 014 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)max. | 0.010 mm (0.0004 in) | ||
| Rod/main journal out-of-round | 0.005 mm (0.0002 in)max. | 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 | 0.030 mm (0.0012 in)max. | 0.040 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 | 0.026-0.044 mm (0.0010-0.0017 in) | 0.050 mm (0.0020 in) |