1975 Evinrude 2HP Model 2502 Full Factory Service Manual, Page 21Get this manual
3-5 L EAF STOP INT AK MAN IFOLD
INTAKE MAN IFOLD
Figure 3-9Intake Manifold and Leaf Valve Assembly
Figure 3-10Leaf Valve Disassembled
dClearance .U1der leaf stop should be 1 4"adjust if necessary by bending leaf stop_ See Figure 3-9
CARBURETOR BODY
aClean out all the jets and passages, and the venturi, making sure no gum or varnish depoSits remainDry after leaning with compressed airKeep lean for final reassembly