1976 Evinrude 40HP outboards Service Repair Manual P/N 406447, Page 46Get this manual

1976 Evinrude 40HP outboards Service Repair Manual P/N 406447, Page 46

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CONNECING

COOLING SYSTEM Water for engine cooling is supplied singlestage containing rubber impellerAt low speeds, the operates as displacement At higher speeds, the impeller blades bend