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TECHNICAL
& CONSUMER INFORMATION
Emission Control System Information
Source of Emissions
The combustion
process produces carbon monoxide,
oxides of nitrogen,
and hydrocarbons.
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 lean carburetor
settings and other systems to reduce the
emissions of carbon monoxide, oxides of nitrogen, and hydrocarbons.
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 emis-
sions 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
Alterations
that would cause the engine to operate outside its design
parameters.
65
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