Mercury 250 Specifications download pdf (Page 62)

MAINTENANCE

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:

IDLE SPEED :

GAP

g/kW

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

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 emission 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.

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Mercury 250 Specifications Page 62

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