Suzuki 2002-2005 DF4/DF5/DF6 4-Stroke Outboards Service Manual, Page 129Get this manual
8-8 LOWER UNIT
SHIFT ROD AND SHIFT CAM
Inspect the "stepped" surfaces of the shift camIf excessive wear, chip or other damage is found, replace the cam Inspect the shift rod guideIf excessive wear, pitting, corrosion or other damage is found, replace the guide Inspect the shift rod bootIf crack, tear or other damage is found, replace the boot
WATER PUMP AND RELATED ITEMS
Inspect the impellerIf cut, tear or excessive wear is found, replace the impeller Inspect the pump case and the under panelIf wear, crack, distortion or corrosion is found, replace