2005 SO Johnson 4 Stroke 9.9-15HP Outboards Service Manual, Page 209Get this manual
GEARCASE ASSEMBLY Place the installer rod (with the pinion bearing on the end) into the gearcaseDrive the first bearing down into position by gently striking the installer shaft until the washer contacts the spacer on the pilot plateRepeat to install the second bearingInstall the shift rod assembly in the gearcase with the stepped face of the cam facing the propellerInstall shift rod guide in the gearcase with the flat edge toward the propeller
7Flat edge of shift rod guide