1998 Johnson Evinrude "EC" 25, 35 HP 3-Cylinder Outboards Service Manual, Page 276Get this manual
5 [] 1Be sure the manual release valve is screwed in all the wayRemove the retaining ring
rnhousingthe manual release valveDiscard the O-rings on 3Inspect the rn 4Remove the components of the up check valve drag link Remove the up check valve housing using socketfrom the
manifold
2Remove the manual release valve assembly
5Inspect the components of the up check valvehousingspringpoppetand seat Discard the O-rings from the housing and seat6Remove the down check valve housingRemove the components of the down check valveInspect the components following Step 57Remove the pump control piston from the manifold