Mercury FourStroke 2.5 Service Manual page 76

Table of Contents
Exhaust Emission Standards............................................. 3B-2
What Are Emissions?................................................. 3B-2
Hydrocarbons (HC).....................................................3B-2
Carbon Monoxide (CO)...............................................3B-2
Oxides of Nitrogen (NOx)........................................... 3B-2
Controlling Emissions................................................. 3B-2
Stoichiometric (14.7:1) Air/Fuel Ratio......................... 3B-2
Outboard Hydrocarbon Emissions Reduction....................3B-3
Emissions Information........................................................3B-3
Manufacturer's Responsibility..................................... 3B-3
90-8M0065421 NOVEMBER 2012
Fuel System
Section 3B - Emissions
Dealer Responsibility.................................................. 3B-3
Owner Responsibility.................................................. 3B-3
Exceptions.................................................................. 3B-3
EPA Emission Regulations......................................... 3B-3
Manufacturer's Certificate Label........................................ 3B-4
Family Number........................................................... 3B-4
Service Replacement Certification Label........................... 3B-4
Removal......................................................................3B-4
Date Code Identification............................................. 3B-5
Installation...................................................................3B-5
Emissions
3
B
Page 3B-1