1968 Evinrude Big Twin, Big Twin Electric, Lark 40 HP Outboards Service Manual, Page 21Get this manual
Remove two nuts and lockwashers attaching buretor to intake manifoldRemove carburetor and gasket from intake manifoldSee Figure 3-6 fRemove cut-out switch hose from intake manifoldRemove twelve screws attaching intake manifold to power head electric start models, two of these screws removed with starter bracket)See Fig3-7Remove follower spring from throttle lever
Figure 3-4Carburetor