2006-2010 Suzuki DF150 / DF175 4-Stroke Outboards Service Manual, Page 403Get this manual
LOWER UNIT
CHECKING PROPELLER SHAFT THRUST PLAY See the "GEARS-SHIMMING AND ADJUSTMENTCHECKING PROPELLER SHAFT THRUST PLAY" section on page 10-31
SHIFT ROD GUIDE HOUSING Using an oil seal installer, drive the oil seal into the shift rod guide housing 2The lipped portion of oil seal must face towards the driveshaft housing$ 99000-25160: SUZUKI WATER RESISTANT GREASE