1990 Johnson Evinrude "ES" Cross V 88 thru 115, 150 thru 175, P/N 507874, Page 354Get this manual
11 Oil and install the manual release valve Thread the valve all the way into the manifoldTighten the valve to torque of 4555 inIbs(5-6 Nm)Using OMC Retaining Ring Pliers PI 303857, install the retaining ring with the sharp edge of the ring facing out f111
12Oil and install the trim-up relief valve seat ring Place the core and spring in the seat
f13113Place the steel ball in the manifold Oil and install new filter valve seat and O-ring in the position shown