1990 Johnson Evinrude 120 thru 140, 185 thru 225, 300 HP, P/N 507875, Page 425Get this manual
1331 12Slide the piston and rod assembly into the cylinder but do 1341 131351 141361 15Remove the three oil reservoir retaining screws with washersRemove the oil reservoir from the manifold not engage the threads of the capSet the assembly aside at this time
Clean and inspect the oil reservoir, retaining screws, washers and O-ringReplace any components, if necessaryRemove the three screwsmanifold plate reservoir filter Q)
1371 16The three
screws for the manifold plate each have flatwasher and lockwasherClean and inspect all components of the manifold plate, paying particular attention to cleaning of the reservoir filter