8. Remove the upper bearing halves from the connecting rods and set them aside with their respective caps.

9. Reinstall the main caps and bearings on the engine in proper order.

10. If you can feel a ridge of metal or hard carbon around the top of each cylinder, remove it with a ridge reamer. Follow the reamer manufacturer's instructions.

CAUTION: If the ridge is not removed, it may damage the pistons as they are pushed out.

11. Use the wooden handle of a hammer to drive the pistons out.

12. Reinstall the rod bearings and caps after removing each piston/connecting rod assembly.

13. Mark each piston/connecting rod assembly with its cylinder number to avoid mixup on reassembly.

NOTE: The existing number on the connecting rod does not indicate its position in the engine, it indicates the rod bore size.

Crankshaft

Inspection

•   Clean the crankshaft oil passages with pipe cleaners or a suitable brush.

•   Check the keyway and threads. Alignment

•   Measure runout on all main journals to make sure the crank is not bent.

•   The difference between measurements on each journal must not be more than the service limit.

Crankshaft Total Indicated Runout:
Standard (New): 0.015 mm (0.0006 in) max. Service Limit:   0.030 mm (0.0012 in)