Cylinder Block Assembly: Specifications
Cylinder BlockCylinder bore diameter, class 1 84.800 - 84.810 mm
Cylinder bore diameter, class 2 84.810 - 84.820 mm
Cylinder bore diameter, class 3 84.820 - 84.830 mm
Inner diameter, main bearing shells installed 58.011 - 58.038 mm
Inner diameter, main bearing shells installed (main bearing shells with stepped sizes) 58.008 - 58.031 mm
Main bearing radial clearance 0.011 - 0.058 mm
Main bearing radial clearance (main bearing shells with stepped sizes) 0.020 - 0.042 mm
Main bearing parent bore 62.287 - 62.300 mm
Piston
Piston diameter, class 1. 84.770 - 84.780 mm
Piston diameter, class 2. 84.780 - 84.790 mm
Piston diameter, class 3. 84.790 - 84.800 mm
Piston clearance in cylinder 0.010 - 0.030 mm
Piston ring gaps (installed) a
Upper compression ring 0.30 - 0.50 mm
Lower compression ring 0.30 - 0.50 mm
Oil scraper ring 0.40 - 1.40 mm
Crankshaft
Main bearing journal diameter 57.980 - 58.000 mm
Main bearing journal end float 0.09 - 0.26 mm
Connecting rod bearing journal diameter 46.89 - 46.91 mm
Lower Crankshaft Spacer
Required spacer washer thickness if there is a gap between the cylinder block and the lower crankcase of:
0.26 mm - 0.50 mm 0.25 mm
0.51 mm - 0.75 mm 0.50 mm
Connecting Rod
Big end bore diameter 49.89 - 49.91 mm
Small end bore diameter 19.951 19.981 mm
Inner diameter, connecting rod bearing shells installed 46.926 46.960 mm
Radial connecting rod bearing clearance 0.016 - 0.070 mm
Axial connecting rod bearing clearance 0.090 - 0.320 mm
Piston Pin
Piston pin length 55.800 56.200 mm
Piston pin diameter, white 19.997 20.000 mm
Piston pin diameter, red 20.625 20.628 mm
Piston pin clearance in piston 0.016 - 0.049 mm
Generator bracket to upper cylinder block bolts 25 Nm (18 ft. lbs.)
Generator bracket to lower cylinder block bolts 65 Nm (48 ft. lbs.)
Cylinder block oil gallery blanking plugs 23 Nm (17 ft. lbs.)
Lower crankcase to cylinder block 22 Nm (16 ft. lbs.)
Crankcase ventilation pipe bracket 23 Nm (17 ft. lbs.)
Crankcase ventilation 10 Nm (89 inch lbs.)
Main bearings
Tighten down the main bearings and connecting rod bearings.
1 Tighten the main bearing bolts in two stages.
Stage 1: 25 Nm
Stage 2: 60 degrees
2 Tighten the connecting rod bearing bolts in two stages.
Stage 1: 35 Nm
Stage 2: 90 degrees
Crankshaft pulley 115 Nm