Mercury FourStroke 2.5 Service Manual page 79

Emissions
The responsibilities listed above are general and in no way a complete listing of the rules and regulations pertaining to the EPA
laws on exhaust emissions for marine products. For more detailed information on this subject, you may contact the following
locations:
VIA U.S. POSTAL SERVICE:
Office of Mobile Sources Engine Programs and Compliance Division Engine Compliance Programs Group (6403J)
401 M St. NW
Washington, DC 20460,
VIA EXPRESS or COURIER MAIL:
Office of Mobile Sources Engine Programs and Compliance Division Engine Compliance Programs Group (6403J)
501 3rd St. NW
Washington, DC 20001,
EPA INTERNET WEB SITE: http:/www.epa.gov/omswww
Manufacturer's Certificate Label
The certification label must be placed on each engine at the time of manufacture and must be replaced in the same location if
damaged or removed. Shown below is a typical certification label and is not representative of any one model. Label shown
below is not to scale.
a
THIS ENGINE CONFORMS TO
b
EMISSION REGULATIONS FOR SPARK IGNITION MARINE ENGINES
REFER TO OWNERS MANUAL FOR REQUIRED MAINTENANCE,
SPECIFICATIONS, AND ADJUSTMENTS
c
IDLE SPEED (in gear):
hp
d
TIMING (IN DEGREES):
e
COLD VALVE
CLEARANCE (mm)
Family Number
The following is an illustration of a typical family number and is not a representation of any one model.
3 M9X M 03.4 2 G 0
1
2
Service Replacement Certification Label
IMPORTANT: By federal law, it is required that all 1998 and newer Mercury Marine outboards have a visible and legible
emission certification label. If this label is missing or damaged, contact Mercury Marine Service for a replacement.
Removal
Remove all remaining pieces of the damaged or illegible label. Do not install new label over the old label. Use a suitable solvent
to remove any traces of the old label adhesive from the display location.
Page 3B-4
EMISSION CONTROL
INFORMATION
CALIFORNIA AND U.S. EPA
FAMILY:
cc
FEL: g/kWh
SPARK PLUG:
GAP:
INTAKE:
EXHAUST:
4 5 6
3
a - Idle speed
f
b - Engine horsepower
c - Piston displacement
g
d - Date of manufacture
e - Valve clearance (if applicable)
h
f - Family number
g - Maximum emissions output for the engine family
i
21096
h - Timing specifications
i - Recommended spark plug and gap
7
1 - Model year (3 = 2003)
2 - Manufacturer (Mercury Marine)
3 - Regulations (M = Marine)
21088 4 - Engine displacement (decimal point = liters
[03.4 = 3.4L]), (no decimal point = C.I. [0113 =
113 cubic inches])
5 - Technology type (1 = OB old tech, 2 = OB
new tech, 3 = SportJet, 4 = OptiJet)
6 - Engine class (C = two‑stroke, G = four‑stroke)
7 - Product type (0 = all except, J = SportJet, E =
EFI SportJet and 4‑Strokes, 3 = OptiMax, H =
high performance)
90-8M0065421 NOVEMBER 2012