1994 Johnson/Evinrude Outboards 40 thru 55 Service Manual, Page 211Get this manual
DisassemblyAssembly
f311Start by removing all the parts from the housingInspect the housing for cracks or melting, and install new top plate The top plate locks into place in the housing with square index tab2The liner now slides in and mates with the plate at the point where the liner is split3Place the water tube grommet in the impeller housing
r.J 4Apply thin bead of OMC Adhesive sealant to groove of
the impeller housing grommetPlace the grommet in position on the impeller housingf715Lightly coat the liner with oilWith counterclockwise rotation, install the impeller into the liner with slot for impeller cam facing outf716Run thin bead of OMC Adhesive sealant in the seal and install the specially shaped O-ring sealInstallation