Suzuki outboard motors 1988 2003 repair manual., Page 272Get this manual
8-4 LOWER UNIT Step 4
12Wipe small amount of lubricant on finger and rub the finger and thumb togetherCheck for the presence of metallic particles in the lubricantNote the color of the lubricantA white or creamy color indicates water in the lubricantCheck the drain container for signs of water separation from the lubricant,
On DT6, DT8 models, perform the following, remove the bolts holding the shift rod adjusting cover and remove the cover If it is equipped with rubber cover, remove that to access the shift rod Loosen the shift rod connector bolt Remove the bolts holding the gearcase to the driveshaft housing