Mercury 305 CID - Metering Assembly; Metering Jets

5F-4 - BOS / SAV EMISSIONS 90-823225--1 1096
Metering Assembly
The metering rod assemblies are different in the fol-
lowing ways:
73729
73732
Standard
Emissions
a
a
b
b
d
d
e
e
c
c
a - Piston
b - Metering Rod
c - Spring
d - Jet
e - Piston Cover
METERING JETS
The metering jets in this carburetor are taller than the
jets in a standard carburetor.
73728
StandardEmissions
a
b
a - Jet for 3-Step Metering Rod
b - Jet for 2-Step Metering Rod
METERING ROD HAS “THREE STEPS” -VS-
TWO
73724
73726
Standard
Emissions
PISTON SHAPE IS DIFFERENT AND HAS
A SECOND SPRING
73727
73730
Standard
Emissions