1968 Evinrude Ski-Twin 33 HP Outboards Service Repair Manual P/N 4482, Page 19Get this manual

1968 Evinrude Ski-Twin 33 HP Outboards Service Repair Manual P/N 4482, Page 19

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Inspect the inlet needle valve for grooves, nicksscratchesIf found, replace float valve assemblySee Figure 3-11 Gum varnish the needle valve must removed with Accessory Engine lDO NOT attempt to alter