1968 Evinrude Big Twin, Lark 40 HP Outboards Service Repair Manual P/N 4483, Page 24Get this manual

1968 Evinrude Big Twin, Lark 40 HP Outboards Service Repair Manual P/N 4483, Page 24

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Check tllrottle and choke shafts for excessive Check operationchoke throttle valves to sure tlley correctly shut off air flow, yet move freely witlut bindingReplace carburetor body if valves or shafts