1997 Johnson Evinrude "EU" Accessories Service Manual, P/N 507270, Page 173Get this manual
44 11Using new a-rings lubricated with GM Dexron I fluid, install the sump relief valve components in the rear of the reservoir: a-ring (0.610 0.104 in Seat Ball Guide Spring (Light) Housing and a-ring (0.736 0.103 in
Torque the valve housing to 50-60 inIbs(6-7 Nm)12Install pulley key in pump shaft with key's flat surface parallel to the shaft centerline13Clean the shaft and pulley tapers with OMC Cleaning Solvent and let air dry14Install pump pulley and locknutReplace the locknut if you do not feel definite resistance to tightening