Mercury 25 Series User Manual

MAINTENANCE
78
EPA Emissions
EMISSION CERTIFICATION LABEL
An emission certification label, showing emission levels and
engine specifications directly related to emissions, is placed on the
engine at time of manufacture.
EMISSION CONTROL
INFORMATION
TIMING (IN DEGREES):
FAMILY:
FEL:
cc
IDLE SPEED :
hp
GAP
:
g/kW
h
Standard spark plug:
Suppressor spark plug:
This engine conforms to model year EPA regulations for Marine SI engines.
Refer to Owner's Manual for required maintenance.
Valve Clearance (Cold) mm
Intake
Exhaust
a
b
c
d
e
f
g
h
i
28405
a - Idle speed
b - Engine horsepower
c - Timing specification
d - Recommended spark
plug and gap
e - Valve clearance (if
applicable)
f - Family number
g - Maximum emission
output for the engine
family
h - Piston placement
i - Date of manufacture
OWNER RESPONSIBILITY
The owner/operator is required to have routine engine
maintenance performed to maintain emission levels within
prescribed certification standards.
The owner/operator is not to modify the engine in any manner that
would alter the horsepower or allow emissions levels to exceed
their predetermined factory specifications.
Inspection and Maintenance Schedule
BEFORE EACH USE
• Check that lanyard stop switch stops the engine.
• Visually inspect the fuel system for deterioration or leaks.
• Check outboard for tightness on transom.
• Check steering system for binding or loose components.

Mercury 25 Series Specifications

General

Brand	Mercury
Model	25 Series
Category	Engine
Language	English