Mercury 75 Service Manual page 209

CERTIFICATION 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 repre-
sentative of any one model. Label shown below is not
to scale; (shown at twice the normal size).
This engine conforms to 1998 Model Year
U.S. EPA regulations for marine SI engines.
Refer to Owners Manual for required maintenance.
Exhaust Emission Control Systems: None
Engine Lubricants: Quicksilver
Premium Plus TC-W3 2-Cycle
n
Outboard Oil
m
Family: WM9XM02.0210
FEL: 145.00 GM/KW-HR
l
JAN FEB
k
a - Spark Ignition (SI)
b - Model year of engine and production decal part number
c - Type and octane of fuel used to establish emission levels
d - Timing specifications when adjustable
e - Spark plug gap in thousandths of an inch
f - Recommended spark plug for best engine performance
g - Engine Horsepower rating
h - Cubic Centimeter
i - Valve Clearance (Four Stroke engines only)
j - Recommended oil/fuel ratio for best engine performance
and minimal emissions
k - Month of production (Boxing month will punched)
l - FEL: Represents (Mercury Marine) statement of the maxi-
mum emissions output for the engine family
m - Family example:
W M9X M 112.8 2 1 0
Model Year Regulation
W=1998 M=Marine
X=1999
Manufacturer Displacement
Mercury Marine Liter
Cubic Inch
n - Engine lubricants recommended by the manufacturer
90-830234R3 DECEMBER 1997
a
Emission Control
Information
Fuel/Oil
Ratio: 50:1
Oil
Injection
Variable
MAR APR MAY JUNE
j
Application
Unspecified
1=PWC
2=OB
Technology type
1=Existing
2=New
h
1848
cc
PART # 37–855211 11
This engine is certified to operate on regular 87
octane unleaded fuel (R+M)/2
Idle Speed (in gear): 675 RPM
Timing: Idle: 4 ATDC – 2 BTDC WOT:23 BTDC
Spark Plug: CHAMPION QL77CC
Valve Clearance (Cold) mm
Intake: N/A Exhaust: N/A
JULY AUG SEP
i
1998
Gap: 0.040
125 HP
OCT NOV DEC
FUEL SYSTEM - 3D-5
b
c
d
e
f
g