Mercury 40 Service Manual page 170

5. Remove carburetor unit from intake manifold.
6. Remove dowel pins.
7. Remove insulator from carburetor by prying near the plugs.
a -
b -
c -
90-828631R3 MARCH 1999
Dowel Pin (2)
Insulator
Plug (2)
53679
a
c
b
c
a
53679
CARBURETOR
Page 3B-19