1991 Johnson/Evinrude EI 60 thru 70 outboards Service Manual, Page 148Get this manual
2Disconnect and remove the entire fuel systemf31 3Remove the retaining screws and remove the intake manifold assembly4Remove the retaining screws and remove the cylinder head assemblyDisassemble the thermostat and cylinder head cover as necessary5Remove the retaining screws and remove the exhaust cover6Remove the port and starboard pan support bracketsrJl 7Remove the retaining screws and remove the lower crankcase head Isl aRemove and discard the crankcase head O-ringIf necesel sa!"v, use OMC Puller Bridge PIN 432127 and OMC Large Puller Jaws PIN 432129 to remove the lower crankshaft sealDiscard the seal if removed