1995 Johnson/Evinrude Outboards 9.9, 15 four-stroke Service Manual, Page 114Get this manual
DRC5773
& To avoid personal injury, wear eye protection and set compressed air pressure at less than 25 PSI (172 kPa)
6Air dry cylinder block and crankcaseBlowout all holes and passageways with compressed air7Cover cylinder walls with liberal amount of Johnson or Evinrude Ultra 4-Stroke Crankcase Oil to protect from corrosionInspection
1Prior to any inspection process, all internal components must be clean and free of excess oilRefer to Cleaning, this section2Inspect all internal componentsCheck for unusual wear patterns, scuffing or deterioration of parts, heat-related discoloration of bearings or bearing surfaces, and broken components