1976 Evinrude 200 HP Outboards Service Manual, PN 5199, Page 31Get this manual
LEAF VALVES aInspect the leaf plate assembly and disassemble if necessaryThe leaf valves must be free from all varnish and gum, and the leaves must be perfectly flat and without distortion so that they form seal with the leaf plate baseSee Figure 3-22 REASSEMBL OF CARBURETOR
GENERAL INSTRUCTIONS Reassemble the carburetor, paying particular attention to the following procedureKeep all dust, dirt, and lint out of the carburetor during reassemblyBe sure that parts are clean and free from gum, varnish, and corrosion when reassembling themReplace all gasketsDO NOT attempt to use original gaskets because leaks may develop after the engine is back in useCheck the Torque Chart in Section for correct torque recommendations during reassembly
FLOAT AND FLOAT CHAMBER aReplace float valve seat and gasket, float valve, float, and hinge pin
1Gasket
2Screws 3Leaf stops
4Leaves 5Leaf plate
bCheck for correct positioning of floatTurn carburetor body upside down so weight of float closes needleFloat should be parallel to gasket surfaceSee Figure 3-24cReassemble float chamber to carburetor body, using new gasketdInstall the high and low speed orifice plugs and screw plugs