Standards and Service Limits

Engine Block

2-4  

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 l 86.010-86.020 mm

(3.3862-3.3866 in.)

86.070 mm (3.3886 in.)
B or ll 86.000-86.010 mm

(3.3858-3.3862 in.)

86.070 mm (3.3886 in.)
Bore taper   - 0.05 mm (0.002 in.)
Reboring limit   - 0.25 mm (0.01 in.)
Piston Skirt O.D. at 11 mm (0.4 in.) from bottom of skirt No letter or A 85.980-85.990 mm (3.3850-3.3854 in.) 85.930 mm (3.3831 in.)
Letter B 85.970-85.980 mm (3.3846-3.3850 in.) 85.920 mm (3.3827 in.)
Clearance in cylinder   0.020-0.040 mm (0.0008-0.0016 in.) 0.05 mm (0.002 in.)
Ring groove width Top 1.235-1.245 mm (0.0486-0.0490 in.) 1.265 mm (0.0498 in.)
Second 1.230-1.240 mm (0.0484-0.0488 in.) 1.260 mm (0.0496 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 0.040-0.065 mm (0.0016-0.0026 in.) 0.13 mm (0.005 in.)
Second 0.045-0.070 mm (0.0018-0.0028 in.) 0.13 mm (0.005 in.)
Ring end gap Top 0.20-0.35 mm (0.008-0.014 in.) 0.60 mm (0.024 in.)
Second 0.50-0.65 mm (0.020-0.026 in.) 0.75 mm (0.030 in.)
Oil 0.20-0.70 mm (0.008-0.028 in.) 0.80 mm (0.031 in.)
Piston pin O.D.   21.961-21.965 mm (0.8646-0.8648 in.) 21.953 mm (0.8643 in.)
Pin-to-piston clearance   -0.005-+0.002 mm (-0.00020-+0.00008 in.) 0.005 mm (0.0002 in.)
Connecting rod Pin-to-rod clearance   0.005-0.015 mm (0.0002-0.0006 in.) 0.02 mm (0.0008 in.)
Small-end bore diameter   21.970-21.976 mm (0.8650-0.8652 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 No. 1 journal

No. 2 journal

No. 4 journal

No. 5 journal

54.980-55.004 mm (2.1646-2.1655 in.) -
No. 3 journal 54.974-54.996 mm (2.1644-2.1652 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. 0.010 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   0.02 mm (0.0008 in.) max. 0.03 mm (0.0012 in.)
Crankshaft bearings Main bearing-to-journal oil clearance No. 1 journal

No. 2 journal

No. 4 journal

No. 5 journal

0.017-0.041 mm (0.0007-0.0016 in.) 0.050 mm (0.0020 in.)
No. 3 journal 0.025-0.049 mm (0.0010-0.0019 in.) 0.055 mm (0.0022 in.)
Rod bearing clearance   0.033-0.061 mm (0.0013-0.0024 in.) 0.072 mm (0.0028 in.)

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