1979 Evinrude 4 HP Outboards Service Manual, PN 5424, Page 26Get this manual
cTo check position offloatturn carburetor body upside down, so that weight of the float closes float needleFloat should be parallel and flush with face of casting and at height specified on gauge number 324891 dUsing new gasket, install the float chamber to the carburetor bodyeInstall throttle linkage and cam follower bThe leaf is so designed that it maintains con stant contact with the leaf plate until predetermined pressure is exerted against itLeaf ravel away from the plate is limited to 14" (6.35 mm) by the leaf back-up plateWhen pressure is removed, the inherent spring action of the leaf segments returns and holds them against the plateAttach the leaf segments and leaf stops to the leaf plate, aligning leaves with marks on plateSee Figure 3-12
cExamine each leaf carefully Each leaf must lie flat against the plate with no edges turned up or away from the plate
I:Hilli]1 NOTE
DO NOT lift or bend leaf segments by handThis may damage them so that the leaves would have to be replaced
21Gage number 324891 2Float 3Top of float must be between these steps