1971 Evinrude 40HP outboards Service Repair Manual, Item No. 4750, Page 20Get this manual

1971 Evinrude 40HP outboards Service Repair Manual, Item No. 4750, Page 20

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bInspect the inlet needle valve for groovesnicks, or scratchesIf any are found, replace float valve assemblySee Figure 3-11 Gum or varnish on the needle valve must be removed with OMC Accessory Engine

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