Chrysler 70, 75 and 85 HP Outboard Motors Service Manual OB 3438, Page 181Get this manual
There are three (3) different thickness shims availableThey are : Thickness Color
Apply small amount of grease to spacer before placing it in counterbore of bearing cage This will keep the spacer from falling out during assembly 2Reassemble reverse gear, radial bearingprop shaft bearing cage and spacerFigure 32
.003 .005 .010
Brass Silver Black
A combination of any of these shims can be used in order to obtain the proper thickness required 6Install shims as follows :
AAfter determining correct number of shims requiredremove shimming plug and aluminum cradle from gear housing BRemove pinion nut from driveshaftCRemove driveshaft assembly from gear housing and remove .050 master shim DInstall required shims EReinstall driveshaft assembly and pinIOn gearInstall new pinion nut with sealant (Special Tool NoT 2963- 1land torque to 85 ft Ibs(11.72 kgm) FInstall shimming plug and aluminum cradle GRecheck distance between large .0 of shimming plug and face of pinion gear with feeler gauge while applying downward force on driveshaftDistance must range between .004 minimum to .006 maximum 7After completing above procedures, remove shimming plug and cradle REVERSE GEAR BEARING CAGE