2004 SR Johnson 2-stroke 40, 50HP Service Manual, Page 190Get this manual
POWERHEAD DISASSEMBLY
Connecting Rods and Pistons
Use an indelible marker to identify each connecting rod cap, connecting rod, and piston
IMPORTANT: Reattach each rod cap to its rod
as soon as the piston is removedEach cap is unique and can only be installed on its mated rodRemove all piston rings and discard them Use Retaining Ring Pliers to remove and discard the wrist pin retaining rings
IMPORTANT: Identify all internal components
so that, if reusedthey can be reinstalled in their original positions
Use Torquing Socket, PIN 331638, to loosen in stages the rod cap retaining screwsDO NOT remove the screws