Emission Control System - Honda EB12D Owner's Manual

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Emission
Control
System
Source
of Emissions
The combustion
process produces carbon monoxide,
oxides of nitrogen,
hydrocarbons
and particulate
matter.
Control
of hydrocarbons
and
oxides of nitrogen
is very important
because, under certain conditions,
they react to form photochemical
smog when
subjected
to sunlight.
Carbon monoxide
does not react in the same way, but it is toxic.
Honda utilizes
systems
to reduce the emissions
of carbon
monoxide,
oxides of nitrogen,
hydrocarbons
and particulate
matter.
The U.S. and California
Clean Air Acts
EPA and California
regulations
require
all manufacturers
to furnish
written
instructions
describing
the operation
and maintenance
of
emission
control
systems.
The following
instructions
and procedures
must be followed
in order to
keep the emissions
from
your
Honda
engine
within
the emission
standards.
Tampering
and Altering
Tampering
with or altering
the emission
control
system
may increase
emissions
beyond
the legal limit.
Among
those acts that constitute
tampering
are:
l
Removal
or alteration
of any part of the intake,
fuel, or exhaust
systems.
l
Altering
or defeating
the governor
linkage
or speed-adjusting
mechanism
to cause
the engine
to operate
outside
its design
parameters.
39

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