1978 Evinrude Outboards 9.9/15HP Service Repair Manual P/N 5394, Page 57Get this manual
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REFERENCE PICTURE ,WATER TUBE EXHAUST TUBE
POWER HEAD DISASSEMBLY
See Figures 5-10A and 5-10BNOTE To simplify reassembly and Wlrlllg installation, layout the various screws and clam