2009-2010 Suzuki DF70A DF80A DF90A Outboard Service Manual, Page 310Get this manual
3A-16 Right Hand Rotation Unit:
Driveshaft Oil Seal Replacement
Z9J0113106026
Lower Unit Assembly
1) Remove the driveshaft oil seal housingRefer to "Lower Unit Disassembly" (Page 3A-8)2) Using special tool, remove two oil seals out of the driveshaft oil seal housingSpecial tool (A): 0991350121 (Oil seal remover)
Assembly is in reverse order of disassembly with special attention to the following stepsCAUTION Make sure that all parts used in assembly are clean and lubricated It is recommended that all seals, gaskets and O-rings be replaced with new on assembly After assembly, check parts for tightness and smoothness of operation Before final assembly, be absolutely certain that all gear contact, shim adjustments and tolerances are correctFailure to correctly adjust these areas will result in lower unit damageRefer to "Lower Unit GearsShimming and Adjustment" (Page 3A-24)Forward Gear Place the forward gear back-up shim (1), forward gear bearing outer race (2) in position, then install forward gear (3) with forward gear bearing (4)