1981 Johnson/Evinrude 4HP Outboards Service Manual, Page 23Get this manual
cRemove hinge pin, floatand float valveand unscrew valve seat and gasketdRemove high speed nozzleSee Figure 3-8 8 3207
1Fuel hose 2Nuts (2) 3Carburetor 4Screws (4) 5Intake manifold
Figure 3-6Carburetor and Manifold
1Leaf plate assembly 2Gasket 3Intake manifold
Figure 3-7Manifold and Leaf Plate Assembly