Suzuki Boulevard S40 (2015-16)

The Suzuki Boulevard S40 is a 2015-16 motorcycle with a four-stroke, single-cylinder SOHC engine and a capacity of 652cc/39.8 cu-in. It has a bore x stroke of 94 x 94.0 mm with an air-cooled cooling system and compression ratio of 8.5:1. The lubrication is done via wet sump and with a Mikuni BS40 induction system. The ignition is transistorized and the bike starts with an electric motor. The maximum power output is 23 kW/31 hp @5400 rpm while the max torque is 50 Nm/5.1 kgf-m/37 lb-ft @3400 rpm. The clutch system is wet and multiple discs, cable-operated and the transmission is a 5-speed gearbox with a final drive using a belt.

The front suspension system consists of telescopic 38 mm stanchions with a coil spring and oil damped. The front wheel travel is 140 mm/5.5 in. The rear suspension is a twin shock with a 5-way adjustable spring preload and the rear wheel travel is 80 mm/3.1 in. The front brakes consist of a 265 mm single disc, while the rear brakes are drum, rod operated. The bike has a 100/90-19 57H, tube-type front tyre and a 140/80-15 67H, tube-type rear tyre.

Other specifications include the rake angle of 35 degrees and trail of 147 mm/5.8 in. The bike’s length is 2180 mm/85.8 in, width is 720 mm/28.3 in, and height is 1105 mm/43.5 in. The wheelbase is 1480 mm/58.3 in with a seat height of 700 mm/27.6 in and a ground clearance of 135mm/5.3 in. The dry weight is 160 kg/352 lbs while the wet weight is 172 kg/380 lbs. The Gross Vehicle Weight Rating (GVWR) is 356 kg/785 lbs, and the fuel capacity is 10.5 Litres/2.6 US gal.

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Technical specifications:

Make Model: Suzuki Boulevard S40

Year: 2015 – 16

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