1995 Johnson/Evinrude Outboards 25, 35 3-Cylinder Service Manual, Page 272Get this manual
16Remove the manual release valve filter and inspect
17Remove the filter valve plugRemove the filter valve components from the manifold
18Inspect the components ofthe filter valve-plugballseat P, and filter Discard the O-rings from the plug and seat
19Remove the fill plugDiscard the O-ring