1988 "CC" Colt / Junior thru 8 Models Service Manual, P/N 507659, Page 258Get this manual
Disassem bly 1Remove four water pump screwsrJl Slide water pump housing up and off driveshaftRemove impeller drive keytwo gasketsand water pump plate '8l Remove three gearcase cover screws and remove the coverDiscard the gearcase cover gasket4Slide he shift rod and driveshaft straight up and out of the gearcase5Remove the two gearcase head screws6Tap lightly on the ears of the gearcase head using wooden dowel and mallet until the gearcase head has rotated 10 or 15 in either directionCOA3359