Emission Control Systems - Honda CRF250X 2007 Owner's Manual & Competition Handbook

Emission Control Systems

Exhaust Emission Requirements (USA only)
The U.S. Environmental Protection Agency
(EPA) and the California Air Resources Board
(CARB) require that your motorcycle comply
with applicable exhaust emission standards
during its useful life, when operated and
maintained according to the instructions
provided.
The vehicle emission control information label
(1) is attached to the rear fender.
(1)
(1) vehicle emission control information label
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)
158
Technical Information
Noise Emission Control System
TEMPERING 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, reader 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 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 Honda dealer.
1. Hard starting or stalling after starting.
2. Rough idle.
3. Misfiring or backfiring during acceleration.
4. After-burning (backfiring).
5. Poor performance (drive ability) and poor fuel
economy.
Federal regulations prohibit removing or
disabling a device or element of design that may
affect your engins's emission performance unless
your CRF will be used exclusively in
competition. If you modify your engine for use
in sanctinoed competition events, you must
deface or destroy the emission control
information label.