Suzuki 1200 bandit, Service Manual

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Emission Control Devices: 1B-3
Exhaust Emission Control System Description
B649G11201008
The exhaust emission control system is composed of the PAIR system and three-way catalyst system. The fresh air is
drawn into the exhaust port through the PAIR control valve and PAIR reed valve. The PAIR control valve is operated
by the engine vacuum which is connected to the No.4 carburetor, and the fresh air flow is controlled according to the
exhaust gas pulsation.
Noise Emission Control System Description
B649G11201001
TAMPERING WITH THE NOISE CONTROL SYSTEM PROHIBITED: Local law or federal law prohibits the following
acts or the causing thereof:
• 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.
• 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:
• Removing or puncturing the muffler, baffles, header pipes, screen type spark arrester (if equipped) or any other
component which conducts exhaust gases.
• Removing or puncturing the air cleaner case, air cleaner cover, baffles or any other component which conducts
intake air.
• Replacing the exhaust system or muffler with a system or muffler not marked with the same model specific code as
the code listed on the Motorcycle Noise Emission Control Information label.
2
2
1
3
“A”
“B”
“C”
I649G1120015-02
1. PAIR control valve “A”: Fresh air
2. PAIR reed valve “B”: Vacuum (Negative pressure)
3. Three-way catalyzer “C”: Exhaust gas