1970 Evinrude Ski-Twin 33 HP Service Repair Manual P/N 4687, Page 18Get this manual

1970 Evinrude Ski-Twin 33 HP Service Repair Manual P/N 4687, Page 18

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bInspect the inlet needle valve for grooves nicks or scratchesIf any are foundreplace assemblySee Figure 3-11 Gum or varnish on the needle valve must be removed with OMC Accessory Engine CleanerDO NOT