Mercury 45 Jet 50-55 Service Manual page 99

Remove fuel inlet needle.
Remove stem gasket.
b
a - Fuel Inlet Needle
b - Stem Gasket
Remove mixing chamber cover and gasket.
Remove idle mixture screw.
Remove bowl vent jet
c
a - Mixing Chamber Cover and Gasket
b - Idle Mixture Screw
c - Bowl Vent Jet
3A-14 - FUEL SYSTEMS
Remove main jet plug and gasket.
Remove main jet.
a
51116
a - Main Jet Plug and Gasket
b - Main Jet
NOTE: It is not necessary to disassemble carburetor be-
yond this point for cleaning. Examine throttle shaft for wear
and inspect for damaged throttle shutter plate.
If removal of throttle shaft and/or throttle shutter plate is
necessary, remove 2 screws, which secure throttle shutter
a
plate to throttle shaft. Remove retaining clip from end of
throttle shaft, then pull shaft out of carburetor.
b
a
51116
a - Throttle Shaft
b - Screw (2)
c - Throttle Shaft Spring
b
b
c
90-817643R1 DECEMBER 1996
a
51116
51117