- Prepare a piece of cardboard, or equivalent, numbered one to five for
bearing identification. Main bearing journals are numbered from
the front of the engine.
- Remove the upper main bearing halves from the upper crankcase.
- Place the upper main bearing halves on the cardboard in the correct
positions. Note that the number three bearing is the thrust bearing.
- Remove the lower main bearing halves from the lower crankcase.
- Place the lower main bearing halves in the correct positions on
the cardboard.