2009-2010 Suzuki DF70A DF80A DF90A Outboard Service Manual, Page 302Get this manual
3A-8 Right Hand Rotation Unit: 6) Install the Lower UnitRefer to "Lower Unit Removal and Installation" (Page 3A-5)4) Place drain pan under oil drain plugRemove oil drain plug (1) first then oil level plug (2) and allow gear oil to drainInspect oil for water, contaminates or metalWater Pump and Related Items Inspection
Inspect the following parts Inspect impellerReplace if vanes are cut, torn, worn or other abnormal conditions Inspect pump caseReplace if cracked, distorted or other abnormal conditions are noted Inspect pump inner sleeveReplace if worn, cracked, distorted, corroded or other abnormal conditions are noted Inspect under panelReplace if cracked, distorted, corroded or other abnormal conditions are notedCAUTION Do not reuse seal ring once removedAlways use new ring