1988 Johnson Evinrude CC 60 thru 75 outboards Service Manual, Page 244Get this manual
Driveshaft Shimming Using Tool PI 320739 The driveshaft pinion is precisely meshed with the forward and reverse gears by the use of shim or shims between the driveshaft bearing and driveshaft seal housingWhen installing new bearing and cone assembly, pinion, seal housing, or driveshaft, it will be necessary to gauge and select the proper shims to restore factory clearance INote Degrease pinion and driveshaft tapers prior to assembly1The driveshaft bearing and cone must be installed on the driveshaftClean the driveshaft, bearing and cone in clean solvent and dry thoroughlyAssemble the pinion to the driveshaft and tighten the pinion nut to torque of 40-45 ftIbs(54-60 Nm)2Place OMC Shim Gauge PI 320739 in vise, as shown 14113Select 0.020 in(0,508 mm) of driveshaft shimsClean the shims in solvent and dry thoroughlyCarefully measure shims using micrometerPosition the shims between the bearing cone and shim gauge, as shown1414Measure the clearance between the top of the sh im gauge and the pinion using feeler gauge while pressing down on the driveshaft to seat the bearing in the cup