2003 ST 4 Stroke 9.9/15HP Johnson outboards Service Manual, Page 177Get this manual
LOWER UNIT INSPECTION PINION BEARING
Remove: (Parts listed below are components of Universal Pinion Bearing Remover and Installer kit PIN 391257 except the Remover and Installer PIN 351055)
326582: Rod
326583: Pilot Plate 351055: Remover and Installer