1995 Johnson/Evinrude Outboards 9.9, 15 four-stroke Service Manual, Page 108Get this manual
22 38075 38076
1221 1231
13Inspect manifold and discard a-ring seals
14Remove screws retaining exhaust adaptorRemove adaptor and a-ring seal15Inspect adaptor and discard a-ring seal
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16Remove screws retaining the pressure relief valveRemove valve and gasket17Inspect valve and discard gasket