Suzuki Boulevard S40 (2011-12)

The Suzuki Boulevard S40 is a motorcycle produced between 2011 and 2012. It has a 652cc, four-stroke, single-cylinder, SOHC engine with a Mikuni BS40 induction system, and a compression ratio of 8.5:1. The bike is air-cooled and has a wet sump lubrication system. The maximum power output is 23 kW or 31 hp at 5400 revolutions per minute (rpm), and the maximum torque is 50 Nm or 37 lb-ft at 3400 rpm. The clutch is wet, multiple discs and cable operated, and the transmission is a five-speed belt drive. The front suspension is a telescopic system with 38 mm stanchions, coil spring, and oil damping, and the rear suspension is a twin-shock, with a 5-way adjustable spring preload. The front and rear wheel travel is 140 mm and 80 mm respectively. The bike has a single 265 mm front disc brake and a rear drum brake operated by a rod. The front tyre is 100/90-19 57H tube type, and the rear tyre is 140/80-15 67H tube type. The rake angle is 35 degrees and the trail is 147 mm. The overall length, width, and height are 2180 mm, 720 mm, and 1105 mm respectively. The wheelbase is 1480 mm and the seat height is 700 mm. The ground clearance is 135mm and the dry weight is 160 kg. The wet weight is 172 kg, the gross vehicle weight rating is 356 kg, and the fuel capacity is 10.5 litres.


Technical specifications:

Make Model: Suzuki Boulevard S40

Year: 2011 – 12


Engine: Four stroke, single cylinder, SOHC
Capacity: 652 cc / 39.8 cu-in
Bore x Stroke: 94 x 94.0 mm
Cooling System: Air cooled
Compression Ratio: 8.5:1
Lubrication: Wet sump
Induction: Mikuni BS40
Ignition: Transistorized
Starting: Electric
Max Power: 23 kW / 31 hp @5400 rpm
Max Torque: 50 Nm / 5.1 kgf-m / 37 lb-ft @3400 rpm
Clutch: Wet, multiple discs, cable operated
Transmission: 5 Speed
Final Drive: Belt
Front Suspension: Telescopic 38 mm stanchions, coil spring, oil damped

Front Wheel Travel: 140 mm / 5.5 in
Rear Suspension: Twin shock, 5-way adjustable spring preload
Rear Wheel Travel: 80 mm / 3.1 in
Front Brakes: 265 mm Single disc
Rear Brakes: Drum, rod operated
Front Tyre: 100/90-19 57H, tube type
Rear Tyre: 140/80-15 67H, tube type
Rake: 35 degrees
Trail: 147 mm / 5.8 in
Dimensions: Length 2180 mm / 85.8 in Width 720 mm / 28.3 in Height 1105 mm / 43.5 in
Wheelbase: 1480 mm / 58.3 in
Seat Height: 700 mm / 27.6 in
Ground Clearance: 135mm / 5.3 in
Dry Weight: 160 kg / 352 lbs
Wet Weight: 172 kg / 380 lbs
GVWR: 356 kg / 785 lbs
Fuel Capacity: 10.5 Litres / 2.6 US gal

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