1990 Johnson Evinrude "ES" 60 thru 70 Service Manual, P/N 507873, Page 285Get this manual
1341 16With the tilt cylinder secured in soft-jaw vise, slide
the band over the cylinderOil and install the O-ring on the band nutInstall the band nut into the cylinder Install the band nut looselydo not engage the threads of the capSet the assembly aside at this time
1351 17Slide the piston and rod assembly into the cylinder but
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18Remove the three oil reservoir retaining screws with washersRemove the oil reservoir from the manifold19Clean and inspect the oil reservoir, retaining screws, washers and O-ringReplace any components, if necessary20Remove the three screws reservoir filter Q)