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Emission Control Systems
229
Information
An evaporative emissions control system
uses a canister filled with charcoal to
adsorb fuel vapor from the fuel tank while
the engine is off. The vapor is drawn into
the engine and burned while riding.
The engine is equipped with a closed
crankcase system to prevent discharging
crankcase emissions into the atmosphere.
Blow-by gas is returned to the combustion
chamber through the air cleaner housing
and throttle body.
The fuel tank, fuel hoses, and fuel vapor
charge hoses use fuel permeation control
technologies to prevent fuel vapor
emissions.
Tampering with these components to
reduce or defeat the effectiveness of the
fuel permeation technologies is prohibited.
❙
TAMPERING WITH THE NOISE CONTROL
SYSTEM IS PROHIBITED:
U. S. federal law prohibits, and 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
FOLLOWING ACTS:
● Removal of, or puncturing the muffler,
baffles, header 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.
Have your motorcycle inspected and
repaired by your dealer if you experience
any of the following symptoms:
● Hard starting or stalling after starting
● Rough idling
● Misfiring or backfiring during
acceleration
● Poor engine performance and poor fuel
economy
Evaporative Emission Control System
Crankcase Emissions Control System
Fuel Permeation Emission Control
50 STATE (meets California)
Noise Emission Control System
Problems Affecting Motorcycle
Exhaust Emissions
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