Honda NRX1800 2004, Owner'S Manual, Page: 210 / 245

201
Noise Emission Requirements
Warranty Compliance
Source of Exhaust Emissions
Emission Control Systems
Technical Information
The EPA also requires that motorcycles
built after January 1, 1983 comply with
applicable noise emission standards for
one year or 3,730 miles (6,000 km) after
the time of sale to the ultimate purchaser,
when operated and maintained according
to the instructions provided. (USA only)
Compliance with the terms of the
Distributor’s Warranties for Honda
Motorcycle Emission Control Systems is
necessary in order to keep the emissions
system warranty in effect. (USA only)
The combustion process produces carbon
monoxide (CO), oxides of nitrogen (NOx),
and hydrocarbons (HC). 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 Motor Co., Ltd. utilizes PGM-FI
and other systems to reduce carbon
monoxide, oxides of nitrogen, and
hydrocarbons.
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