Oil Clearance Inspection

Clean off any oil from the bearing inserts and crankpin.

Carefully install the crankshaft onto the upper crankcase.

Set the connecting rods onto the crankpin.

Put a strip of plastigauge lengthwise on the crankpin and avoid the oil hole.


Carefully install the bearing caps by aligning the I.D. code.

Apply engine oil to the connecting rod bearing cap nut threads and seating surfaces and install them. Tighten the cap nuts in two or three steps.

Remove the nuts and bearing cap.

Measure the compressed plastigauge at its widest point on the crankpin to determine the oil clearance.

If the oil clearance exceeds the service limit, select the correct replacement bearings.

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