2004 SR Johnson 4 Stroke 9.9-15HP Outboards Service Manual, Page 126Get this manual
POWERHEAD CYLINDERCRANKCASEPISTON ASSEMBLY Remove: Circlip CD (Qty2) Piston pin (2) Connecting rod Q) Piston Piston ring set
Reassemble each piston, piston pin, and connecting rod to their original positionsReinstall the connecting rod to the original direction
Inspection Servicing
If any component is found to be excessively worn, cracked, damaged or defective in any way, it must be replaced