1987 Johnson/Evinrude CU Outboards 35A thru 55 Service Manual, Page 238Get this manual
Shift Rod Heights 15-2932 in1 32 in(404 mm 0,8 mm) 20-2932 in1 32 in(531 mm 0,8 mm) 23-1332 in1 32 in(594 mm 0,8 mm)
45, 55 standard shaft 45, 55 long shaft 45, 55 extra long shaft
31Install the water pump as described in Water Pump ServicingInstallation 1691 1Place new O-ring on the driveshaftCoat the driveshaft splines with OMC Moly LubeDo not coat top surface of the driveshaft as lubricant here may prevent seating of the driveshaft in the crankshaft2Slide the gearcase into place making sure that the driveshaft engages the crankshaft and the water tube enters the water pump3Apply OMC Gasket Sealing Compound to threads of the retaining screwsInstall and tighten all the screws to the following torques: