1969 Evinrude 40 HP Big Twin, Big Twin Electric Lark Service Manual 4596, Page 21Get this manual
eRemove two nuts and lockwashers attaching carburetor 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 (on electric start models, two of these screws are removed with starter bracket)See Figure 3-7Remove cam follower spring from throttle lever
Figure 3-4Carburetor