1998 Johnson Evinrude "EC" 90, 100C, 105C, 115, 150, 150C, 175 60 deg. LV Service Manual, P/N 520210, Page 227Get this manual
7 [] 7Remove the four driveshaft bearing housing screws with washers
8Pull up on the shift rod to engage FORWARD gearThis will provide necessary clearance to remove the pinion nut
9Remove the pinion nut from the bottom of the driveshaft by using QVIC Driveshaft Holding Socket, PIN 311875QVIC Pinion Holder, PI 334455 CD, and QVIC Wrench Retainer, PIN 3414380Pad the handle of the holder to prevent damage to the gearcase
[]]10Pull up on the driveshaft to remove it from the gearcaseThe driveshaft to pinion taper is locking taperIf necessary, use QVIC Puller, PI 390706and QVIC Backing Plate, PI 325867 (h), to break the lockInstall the tools as shown by clamping them around the driveshaftAlternately tighten the two vertical screws against the backing plate inserted between the puller and the gearcase until the driveshaft pops loose from the pinion, then remove the tools