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Emission Control Systems
Technical Information 173
Exhaust Emission Requirements
The U.S. Environmental Protection Agency (EPA)
and the California Air Resources Board (CARB),
and require that your motorcycle comply with
applicable exhaust, crankcase, and fuel permeation
emission standards during its useful life, when
operated and maintained according to the
instructions provided.
CARB also requires that your motorcycle comply
with applicable evaporative emission requirements
during its useful life, when operated and
maintained according to the instructions provided.
Compliance with the terms of the Distributor’s
Warranties for Honda Motorcycle Emission
Control Systems is necessary in order to maintain
a valid emissions system warranty.
The vehicle emission control information label (1)
is attached to the left side of the frame.
(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.
Noise Emission Control System
TAMPERING WITH THE NOISE CONTROL
SYSTEM IS PROHIBITED: U.S. federal law
prohibits, 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:
• Removal of, or puncturing the muffler, baffles,
reader pipes, or any other component which
conducts exhaust gases.
• Removal of, or puncturing of any part of the
intake system.
• Lack of proper maintenance.
• Removing or disabling any emissions
compliance component, or replacing any
compliance component with a non-compliant
component.
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 (drive ability) 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.
If you loan, sell, or give your competition modified
CRF to someone else, according to applicable law,
you must inform the new owner/operator in
writing that the vehicle is to be used for
competition only.
(1)
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