TM 5-4310-393-14 Max. Item Size Size Perm. Remarks (In) (mm) Wear (in) Wall thickness of bearing shells (new engine). Diameter of crankpin (undersize). Wall thickness of bearing shells (oversize). Diameter for ball hub (governor). Diameter for ball shell. Ball shell inside diameter. Diameter for gearwheel on crankshaft Regrind at crank pin. Axial play: a) Cold engine (10-30° C). b) At working temperature 0.0787/ 0.0791 1.6315/ 1.6311 0.0885/ 0.0890 1.1428/ 1.1433 1.1015/ 1.1007 1.1035/ 1.1055 0.8675/ 0.8680 0.0197 0.012/ 0.032 0.016/ 0.036 2.010/ 1.998 41.440/ 41.430 2.260/ 2.248 29.041/ 29.028 27.980/ 27.959 22.048/ 22.035 0.5 0.3/0.8 0.4/0.9 0.0007 Corner radius crankpin 0.1181 in (3 mm). Connecting Rod Bore diameter for piston pin bushing. Bore for journal bearing. Bushing, piston pin, external diameter. Bushing, piston pin, internal diameter: Loose Assembled Bearing cap bolt thread 1.1024/ 1.1029 1.8108/ 1.8114 1.1043/ 1.1037 0.9875/ 0.9869 0.9856/ 0.9850 28.013/ 28.000 46.010/ 45.094 28.048/ 28.035 25.082/ 25.068 25.033/ 25.020 M8 0.006 in 0.15mm Journal Bearing Outside diameter. Inside diameter Width. 1.811 1.6529/ 1.6538 1.0433/ 1.0354 46 42.006/ 42.014 26.5/26.3 1.659 in 42.15mm Bearing play In new condition .0015/.0030in, 0.040/0.076mm 5-4