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164 Technical Information
Emission Control Systems
Exhaust Emission Requirements
The U.S. Environmental Protection Agency
(EPA), the California Air Resources Board
(CARB), and Environment Canada (EC) require
that your CRF comply with applicable exhaust
emissions standards during its useful life,
when operated and maintained according to the
instructions provided.
The vehicle emission control information label
(1) (2) is attached on the left side frame.
(1)
(2)
(1) vehicle emission control information label
(2) vehicle emission control information label
(Canada only)
Noise Emission Requirements
The EPA also requires that motorcycles built
after January 1,1983 comply with applicable
noise emission standards for one year or
1,865 miles (3,000 km) after the time of sale
to the ultimate purchaser, the time operated
and maintained according to the instructions
provided. (USA only)
Noise Emission Control System
TAMPERING WITH THE NOISE CONTROL
SYSTEM IS PROHIBITED: U.S. federal law
prohibits, or Canadian provincial laws may
prohibit the following acts or the causing thereof:
(1) The removal or rendering inoperative by any
person, other than for purposes of maintenance,
repair or replacement, of any device or element
of design incorporated into any new vehicle for
the purpose of noise control prior to its sale or
delivery to the ultimate purchaser or while it is
in use; or (2) the use of the vehicle after such
device or element of design has been removed or
rendered inoperative by any person.
AMONG THOSE ACTS PRESUMED TO
CONSTITUTE TAMPERING ARE THE
ACTS LISTED BELOW:
1. Removal of, or puncturing the muffler,
baffles, header pipes, or any other component
which conducts exhaust gases.
2. Removal of, or puncturing of any part of the
intake system.
3. Lack of proper maintenance.
4. Replacing any moving parts of the vehicle,
or parts of the exhaust or intake system,
with parts other than those specified by the
manufacturer.
Problems that May Affect Motorcycle
Emissions
If you are aware of any of the following
symptoms, have the vehicle inspected and
repaired by your dealer.
1. Hard starting or stalling after starting.
2. Rough idle.
3. Misfiring or backfiring during acceleration.
4. After-burning (backfiring).
5. Poor performance (driveability) and poor fuel
economy.
Federal regulations prohibit removing or
disabling a device or element of design that
may affect your engine’s emission performance
unless your CRF will be used exclusively in
competition. If you modify your engine for use in
sanctioned competition events, you must deface
or destroy the emission control information label.
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