User Manual - Page 169

For 2021 CB1000R. Also, The document are for others Honda models: CB1000RA

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Canada only
The Vehicle Emission Control Information label is
attached to the right side of the frame.
Noise Emission Requirements
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.
Exhaust Emission Control System
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.
Emission Control Systems
Information
165
Canada only
Vehicle emission control information label
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