Suzuki Boulevard M50 User Manual

EMISSION CONTROL INFORMATION 11-3
EXHAUST EMISSION CONTROL SYSTEM (PAIR SYSTEM)
The exhaust emission control system is composed of the PAIR system and THREE-WAY CATALYST sys-
tem (For E-02, 19, 24, 33). The fresh air is drawn into the exhaust port with the PAIR control solenoid valve
and PAIR reed valve. The PAIR control solenoid valve is operated by the ECM, and the fresh air flow is con-
trolled according to the TPS, ECTS, IATS, IAPS and CKPS.
1 PAIR control solenoid valve 6 HO2 sensor (E-02, 19, 24)
2 PAIR reed valve 7 Threeway catalyst (E-02, 19, 24, 33)
3 Air cleaner box A FRESH AIR
4 Fuel injector B EXHAUST GAS
5 ECM
SAMPLE

Suzuki Boulevard M50 Specifications

General

Compression Ratio	9.4:1
Fuel System	Fuel injection
Ignition	Electronic ignition (transistorized)
Transmission	5-speed constant mesh
Final Drive	Shaft drive
Front Suspension	Inverted telescopic, coil spring, oil damped
Front Tire	130/90-16M/C 67H, tubeless
Rear Tire	170/80-15M/C 77H, tubeless
Ground Clearance	140 mm (5.5 in)
Seat Height	700 mm (27.6 in)
Engine Type	4-stroke, liquid-cooled, V-twin
Bore x Stroke	83.0 mm x 74.4 mm
Rear Suspension	coil spring, oil damped
Front Brakes	Single hydraulic disc
Rear Brakes	Drum
Fuel Tank Capacity	15.5 L (4.1 US gal)
Wheelbase	1, 655 mm (65.2 in)