ENGLISH
Emission Control System Information
Source of Emissions
Replacement Parts
Maintenance
Problems That May Affect Emissions
Tampering and Altering
The U.S., California Clean Air Act, and Environment Canada
15
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.
The emission control systems on your Honda engine were
designed, built, and certified to conform with EPA, California
(models certified for sale in California), and Canadian emission
regulations. We recommend the use of Honda Genuine parts
whenever you have maintenance done. These original-design
replacement parts are manufactured to the same standards as the
original parts, so you can be confident of their performance. The
use of replacement parts that are not of the original design and
quality may impair the effectiveness of your emission control
system.
A manufacturer of an aftermarket part assumes the responsibility
that the part will not adversely affect emission performance. The
manufacturer or rebuilder of the part must certify that use of the
part will not result in a failure of the engine to comply with
emission regulations.
Follow the maintenance schedule on page
. Remember that this
schedule is based on the assumption that your machine will be
used for its designed purpose. Sustained high-load or high-
temperature operation, or use in unusually wet or dusty conditions,
will require more frequent service.
Honda utilizes appropriate air/fuel ratios and other emissions
control systems to reduce the emissions of carbon monoxide,
oxides of nitrogen, and hydrocarbons.
Additionally, Honda fuel systems utilize components and control
technologies to reduce evaporative emissions.
Black exhaust smoke or high fuel consumption.
Afterburning (backfiring).
Misfiring or backfiring under load.
Rough idle.
Hard starting or stalling after starting.
If you are aware of any of the following symptoms, have your
engine inspected and repaired by your servicing dealer.
Altering or defeating the governor linkage or speed-adjusting
mechanism to cause the engine to operate outside its design
parameters.
Removal or alteration of any part of the intake, fuel, or exhaust
systems.
Tampering with or altering the emission control system may
increase emissions beyond the legal limit. Among those acts that
constitute tampering are:
The following instructions and procedures must be followed in
order to keep the emissions from your Honda engine within the
emission standards.
EPA, California, and Canadian regulations require all
manufacturers to furnish written instructions describing the
operation and maintenance of emission control systems.
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