1977 Evinrude 55 HP Outboards OMC Service Repair Manual P/N 5307, Page 55Get this manual

1977 Evinrude 55 HP Outboards OMC Service Repair Manual P/N 5307, Page 55

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DISASSEMBLY OF POWER HEAD
Remove the lower main bearing seal housingSee Figure 5-15
Remove cylinder head, see Figure 5-17and cylinder head gasket

service temperature switch, t