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Emission Control Systems
354
Information
The EPA requires that vehicles 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 purchase when operated and
maintained according to the instructions
provided.
The exhaust emission control system includes the
following components that should not need
adjustment, although periodic inspection by your
dealer is recommended.
#
PGM-FI System
The PGM-FI (programmed fuel injection) system
uses sequential multiport fuel injection, and is
comprised of air intake, engine control, fuel
control, and exhaust control subsystems. The
engine control module (ECM) uses sensors to
determine how much air enters the engine, and
then controls how much fuel to inject.
#
Ignition Timing Control System
The ignition timing control system adjusts the
ignition timing to reduce the amount of HC, CO,
and NOx produced.
#
Secondary Air Injection System
The secondary air injection system adds filtered
air into the exhaust gas to help improve emission
control performance.
#
Catalytic Converters
The exhaust system contains one or more
catalytic converters. Catalytic converters use a
catalyst to convert most of the harmful exhaust
gas compounds into harmless compounds.
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.
Noise Emission Requirements
Exhaust Emission Control System
Evaporative Emission Control System
50 STATE (meets California)
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