1990 Johnson Evinrude 120 thru 140, 185 thru 225, 300 HP, P/N 507875, Page 430Get this manual
1731 47 Remove and discard the seals from the trim pistonsCarefully clean the trim pistons and rods and install new sealstrim sleeves from the manifoldWhen removing, rock the sleeve back and forth with your fingers while prying with the tool49Inspect the cylinder bore of each of the sleeves for scoringReplace the sleeves if scuffed or groovedCOA2488
r-;;;-] 48Using OMC Trim Sleeve Remover PIN 325065, pry the
r:;;;, 50Remove the seals from both trim sleevesClean the
sleevesOil and install new seals on the sleeves, as shown
51Remove the manifold from the holding fixture and clean the
manifold thoroughly in fresh solventBlow excess solvent from the internal passages with compressed airIt is essential that the manifold and all components be kept absolutely clean and dust freeAny dirt in the system could cause scoring of cylinder bores, sticking of valves, or damage to pump componentsAssembly