Mercury 305 CID, Service Manual, Page: 742 / 967

5F-14 - BOS / SAV EMISSIONS 90-823225--1 1096
11. Once the idle speed and mixture adjustment is
correct, install the seal plugs over mixture
screws. Ensure the opening in plug snaps into
the tab in the cup.
71798
a
73789
b
c
a - Screw Seals
b - Tab in Cup
c - Opening in Plug
12. Reinstall the flame arrestor.
Test Equipment
The following equipment is needed to perform an
emissions test on this engine:
•
Test Probes (Supplied in Kit).
•
Test Probe Collector (Testing Agency).
•
Exhaust System Analyzer (Testing Agency).
73723
a
b
a - Exhaust Probe Collector
b - To Exhaust Analyzer
Emissions Testing
NOTE: This test will be performed by an authorized
agency for the area that the boat will be operated.
This agency will be equipped with the appropriate
test equipment and adapters for this engine. The only
item that must be supplied by the boat owner/opera-
tor are the exhaust test probes. These test probes
should be carried aboard the vessel at all times. The
following steps will explain how these probes are to
be installed.
71926
a
b
a - Exhaust Test Probes (2)
b - Exhaust Elbow Adapter Fittings (2)
1. Remove plugs from both exhaust elbows.
71921
a
a - Plugs (Port and Starboard Elbows)