1996-2005 Suzuki DF40, DF50 Four Stroke Outboard Service Manual, Page 270Get this manual
9-17 LOWER UNIT PINION NUT Apply Thread Lock 1342 to the threads of the pinion nut before threading it onto the driveshaftTighten nut to the specified torquePinion nut50 (5.0 kg-m, 36.2 lbft 99000-32050Thread Lock 1342 09921-29511Drive shaft holder
CHECKING DRIVESHAFT THRUST PLAY Before installing reverse gear, driveshaft thrust play should checked(See the "GEARS-SHIMMING AND ADJUSTMENTCHECKING DRIVESHAFT THRUST PLAY" section on page 9-26) 09951-09530Gear adjusting gauge