1991 Johnson Evinrude 9.9 Thru 30 HP Models Service Manual P/N 507946, Page 229Get this manual
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Water Pump Servicing20, 25, 30 DisassembIy ,Removegearcase assembIy as described in Gearcase Servicing, this Section2 Remove the six impeller housing screws and washers
and install the shift rod