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 | 75.00-75.02 mm (2.9528-2.9535 in.) | 75.07 mm (2.9555 in.) | ||
| Bore taper | 0.05 mm (0.002 in.) | |||
| Reboring limit | 0.5 mm (0.02 in.) | |||
| Piston | Skirt O.D. at 13 mm (0.5 in.) from bottom of skirt | 74.98-74.99 mm (2.9520-2.9524 in.) | 74.97 mm (2.9516 in.) | |
| Clearance in cylinder | 0.010-0.040 mm (0.0004-0.0016 in.) | 0.05 mm (0.002 in.) | ||
| Ring groove width | Top | 1.020-1.030 mm (0.0402-0.0406 in.) | 1.05 mm (0.041 in.) | |
| Second | 1.220-1.230 mm (0.0481 -0.0484 in.) | 1.25 mm (0.049 in) | ||
| Oil | 2.005-2.020 mm (0.0789-0.0795 in) | 2.05 mm (0.081 in.) | ||
| Piston rings | Ring-to-groove clearance | Top | 0.035-0.060 mm (0.0014-0.024 in.) | 0.13 mm (0.005 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 | 0.30-0.45 mm (0.012-0.018 in.) | 0.60 mm (0.024 in.) | ||
| Oil | 0.20-0.70 mm (0.008-0.028 in.) | 0.80 mm (0.031 in.) | ||
| Piston pin | O.D. | 18.996-19.000 mm (0.7479-0.7480 in.) | ||
| Pin-to-piston clearance | 0.010-0.020 mm (0.0004-0.0008 in.) | |||
| Connecting rod | Pin-to-rod clearance | 0.016-0.036 mm (0.0006-0.0014 in.) | ||
| Small-end bore diameter | 18.96-18.98 mm (0.746-0.747 in.) | |||
| Large-end bore diameter | Nominal | 48.0 mm (1.89 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 | 44.976-45.000 mm (1.7707-1.7717 in.) | |||
| Rod/main journal taper | 0.0025 mm (0.0001 in.) | 0.005 mm (0.0002 in.) | ||
| Rod/main journal out-of-round | 0.0025 mm (0.0001 in.) | 0.005 mm (0.0002 in.) | ||
| End play | 0.10-0.35 mm (0.004-0.014 in.) | 0.45 mm (0.018 in.) | ||
| Runout | 0.03 mm (0.001 in.) max. | 0.04 mm (0.002 in.) | ||
| Crankshaft bearings | Main bearing-to-journal oil clearance | No. 1 journal No. 5 journal |
0.018-0.036 mm (0.0007-0.0014 in.) | 0.05 mm (0.002 in.) |
| No. 2 journal No. 3 journal No. 4 journal |
0.024-0.042 mm (0.0009-0.0017 in.) | 0.05 mm (0.002 in.) | ||
| Rod bearing clearance | 0.024-0.042 mm (0.0009-0.0017 in.) | 0.05 mm (0.002 in.) |