Chrysler 75 and 85 HP Outboards Service Manual OB 3646, Page 175Get this manual
7Remove a-ring seal from groove in gear housing cover andring seal from groove in driveshaft bearing cageFigure 148Pry driveshaft seal from bore in gear housing coverFigure 14 9Remove shift rod seal as follows:
AThread 5 16" diameter lag screw in shift rod seal
BPress sea and lag screw out of cover by using press and 1 4" diameter rod Figure 1510Turn lower shift rod counterclockwise until shift rod threads out of shift arm couplingPull shift rod from gear housing 11 Remove two (2) screws securing anode to propeller shaft spool and remove anodeFigure 16
DRIVESHAFT S.EAL
Zinc alloy sacrificial anode protects engine against bad wiring in boat or boat moored nearbyReplace if badly corroded or metal is missing; and find source of trouble