1993 Johnson Evinrude "ET" 60 thru 70 Service Manual, P/N 508284, Page 157Get this manual
Installation
LJ top surface of driveshaft as lubricant here may prevent seating
of driveshaft in crankshaft
Coat driveshaft splines with OMC Moly LubeDo not coat
t=J Install new exhaust adapter gasket dry, use no sealer
f21 2Clean powerhead and exhaust adapter gasket surfaces
3Use OMCUniversal Puller and Lifting Eye, PIN 321537, or OMC Lifting Fixture, PIN 396748, to lower the powerhead assembly into placeIf necessary, rotate the flywheel in clockwise direction to align crankshaft and driveshaft splinesf31 4Coat the threads of the exhaust housing to powerhead screws with OMC Gel Seal" and install themTorque the screws in stages to 18-20 ftIbs(25-27 Nm)