Chrysler 75 and 85 HP Outboards Service Manual OB 3646, Page 171Get this manual
At low speeds, the pump is displacement pumpas motor speed increases, water resistance causes the vanes to flex in and it becomes centrifugal pumpRemoval BRemove propeller by removing nut and washer securing propeller spline washer and propeller to shaft Figure 42Disconnect gear shift rods as follows :
WARNING
Disconnect spark plug leads to accidental starting of motorprevent
ARemove cotter pin securing shift rod pin to coupler on upper shift rod BRemove shift rod pin from shift rod coupler and free lower shift rod from couplerFigure 5