Cylinder Block Assembly: Specifications
Cylinder Head and Valve TrainCylinder head gasket 0.05 mm (0.002 inch) in any surface flatness 150 mm x 150 mm (6.0 in x 6.0 inch) area
Combustion chamber 42.45 - 45.45 cc (2.59 - 2.77 volume cu inch)
Camshaft
Theoretical valve lift @ 0 lash-intake 12.02 mm (0.4732 inch)
Theoretical valve lift @ 0 lash-exhaust 12.67 mm (0.4988 inch)
Lobe lift-intake 7.1104 mm (0.2799 inch)
Lobe lift-exhaust 7.4979 mm (0.2952 inch)
Allowable lobe lift loss 0
Journal diameter 26.962 - 26.936 mm (1.0615 - 1.0605 inch)
Camshaft journal bore inside diameter (cap assembled) 27.012 - 26.987 mm (1.0635 - 1.0625 inch)
Camshaft journal-to-bearing clearance 0.076 - 0.025 mm (0.0030 - 0.0010 inch)
Runout b 0.03 mm (0.0012 inch)
End play 0.0270 - 0.0190 mm (0.0011 - 0.0075 inch)
Cylinder Block
Cylinder bore diameter-grade 1 90.200 - 90.210 mm (3.5512 - 3.5516 inch)
Cylinder bore diameter-grade 2 90.210 - 90.220 mm (3.5516 - 3.5520 inch)
Cylinder bore diameter-grade 3 90.220 - 90.230 mm (3.5520 - 3.5524 inch)
Cylinder bore maximum taper 0.006 mm (0.0002 inch)
Cylinder bore maximum out-of-round 0.020 mm (0.0008 inch)
Main bearing bore inside diameter 72.401 - 72.422 mm (2.850 - 2.851 inch)
Head gasket surface 0.05 mm (0.0020 inch) in flatness any 150 mm x 150 mm (6.0 in x 6.0 inch) area
Crankshaft
Main bearing journal diameter 67.483 - 67.503 mm (2.6568 - 2.6576 inch)
Main bearing journal maximum taper (straightness) 0.004 mm (0.0002 inch)
Main bearing journal maximum out-of-round between cross sections 0.0075 mm (0.0003 inch)
Main bearing journal-to-cylinder block clearance 0.048 - 0.024 mm (0.0019 - 0.0009 inch)
Connecting rod bearing bore diameter (with assembled liners) 53.049 - 53 027 mm (2.0885 - 2.0877 inch)
Connecting rod bearing-to-crankshaft clearance 0.064 - 0.026 mm (0.0025 - 0.0010 inch)
Piston and Connecting Rod
Piston diameter-grade 1 (at right angle to pin bore) 90.175 - 90.165 mm (3.5502 - 3.5498 inch)
Piston diameter-grade 2 (at right angle to pin bore) 90.185 - 90.175 mm (3.5506 - 3.5502 inch)
Piston diameter-grade 3 (at right angle to pin bore) 90.195 - 90.185 mm (3.5510 - 3.5506 inch)
Piston-to-cylinder bore clearance (at grade size) 0.025 - 0.045 mm (0.0010 - 0.0018 inch)
Piston ring end gap-top 0.13 - 0.28 mm (0.0051 - 0.0110 inch)
Piston ring end gap-intermediate 0.25 - 0.40 mm (0.0098 - 0.0158 inch)
Piston ring end gap-oil control 0.15 - 0.65 mm (0.0059 - 0.0256 inch)
Piston ring groove width -top 1.53 - 1.55 mm (0.0602 -0.0610 inch)
Piston ring groove width -intermediate 1.52 - 1.54 mm (0.0598 - 0.0606 inch)
Piston ring groove width -oil control 3.030 - 3.050 mm (0.1193 - 0.1201 inch)
Piston ring width 1.49 - 1.46 mm (0.0587 - 0.0575 inch)
Piston ring-to-groove clearance-top 0.030 - 0.050 mm (0.0012 - 0.0020 inch)
Piston ring-to-groove clearance-intermediate 0.030 - 0.080 mm (0.0012 - 0.0031 inch)
Piston pin bore diameter 22.008 - 22.014 mm (0.8665 - 0.8667 inch)
Piston pin diameter 22.0005 - 22.0030 mm (0.8662 - 0.8663 inch)
Piston pin length 61.8 mm (2.433 inch)
Piston pin-to-piston fit (clearance) 0.005 - 0.0135 mm (0.0002 - 0.0005 inch)
Connecting rod-to-pin clearance 0.009 - 0.0235 mm (0.0004 - 0.0093 inch)
Connecting rod pin bore diameter 22.012 - 22.024 mm (0.8666 - 0.8671 inch)
Connecting rod length (centerline bore-to-bore) 169.1 mm (6.6575 inch)
Connecting rod maximum allowed bend ±0.038 mm (0.0015 inch)
Connecting rod maximum allowed twist ±0.05 mm (0.0020 inch)
Connecting rod bearing bore diameter (with assembled liners) 53.049 - 53 027 mm (2.0885 - 2.0877 inch)
Connecting rod bearing-to-crankshaft clearance 0.064 - 0.026 mm (0.0025 - 0.0010 inch)
Connecting rod side clearance 0.475 - 0.125 mm (0.0187 - 0.0049 inch)
For torque specifications, refer to the service procedure.