Crankshaft and cylinder block

Crankshaft measure at bearing 2, 3 or 4 Bearings 1 and 5 on prisms Crankpin

Con-rod bearing/crankshaft

Main bearing web Crankshaft main bearings/ crankshaft

Crankshaft main bearings/ crankshaft Cylinder bore Balance shaft bearing bore in crankcase or balance shaft cover Bore for bushing in bearing housing Balance shaft runout dia.

radial clearance axial clearance dia.

radial clearance axial bearings ovality dia.

When fitting (new)


Wear limit max. 0.06

69.971 to 69.990

0.010 0.020

34.000 to 34.019

34.000 to 34.019 30.975 to 30.991

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