1995 Johnson/Evinrude Outboards 25, 35 3-Cylinder Service Manual, Page 270Get this manual
5 [] 1Be sure the manual release valve is screwed in all the wayRemove the retaining ring[]] 2Remove the manual release valve assembly
3Inspect the manual release valveDiscard the O-rings on the housing[]] 4Remove the up check valve housing using drag link socketRemove the components of the up check valve from the manifold5Inspect the components of the up check valvehousingspringseatand poppet Discard the O-rings from the housing and seat