| MODEL | SUZUKI BOULEVARD S40 2007 - 2008 |
| Year | 2007 - 2008 |
| Engine Type | Four-stroke, single cylinder, SOHC, air-cooled |
| Displacement / Capacity | 652 cc / 39.8 cu in |
| Bore X Stroke | 94 x 94 mm |
| Compression Ratio | 8.5:1 |
| Cooling System | Air cooled |
| Max Power | 23 kW / 31 hp @ 5400 rpm |
| Max Torque | 50 Nm / 5.1 kgf-m / 37 lb-ft @ 3400 rpm |
| Ignition | Transistorized |
| Induction | Mikuni BS40 carburettor |
| Start System | Electric |
| TRANSMISSION SPECS | |
| Lubrication | Wet sump |
| Gear Box | 5-speed |
| Clutch | Wet, multi-disc, cable operated |
| Final Drive | Belt |
| CHASSIS SPECS | |
| Frame | — |
| Front Suspension | 38 mm telescopic forks, coil springs, oil damped; 140 mm / 5.5 in travel |
| Rear Suspension | Twin shock, 5-way adjustable spring preload; 80 mm / 3.1 in travel |
| Front Brakes | 265 mm single disc |
| Rear Brakes | Drum, rod operated |
| DIMENSION SPECS | |
| Overall Length | 2180 mm / 85.8 in |
| Overall Width | 720 mm / 28.3 in |
| Overall Height | 1105 mm / 43.5 in |
| Seat Height | 700 mm / 27.6 in |
| Wheelbase | 1480 mm / 58.3 in |
| Ground Clearance | 135 mm / 5.3 in |
| Dry Weight | 160 kg / 352 lb |
| Wet Weight | 172 kg / 380 lb |
| WHEEL SPECS | |
| Front Tyre | 100/90-19 57H, tube type |
| Rear Tyre | 140/80-15 67H, tube type |
| FUEL SYSTEM | |
| Fuel Capacity | 10.5 litres / 2.6 US gal |
| Fuel Consumption | — |
| Top Speed | — |
A second-generation look at the S40 single, with the same 652 cc air-cooled engine, belt drive and 19-inch front wheel. The page gives the same engine, chassis and dimensions as the 2005-06 bike. It remained a lightweight, low-seat option within the Boulevard range.
