Suzuki Boulevard M109R B O S S - 2021 Specifications and Reviews
The 2021 Suzuki Boulevard M109R B O S S is a powerful cruiser designed for riders seeking classic styling with modern performance. Its massive 1783cc V-Twin engine delivers 125 horsepower and 160 Nm of torque, making it one of the largest displacement cruisers available. Best known for combining retro aesthetic appeal with commanding road presence and smooth, muscular acceleration that dominates highway riding.
General information | |
| Category | Custom / cruiser |
| Year | 2021 |
| Model | Suzuki Boulevard M109R B O S S |
Engine and Transmission Specifications | |
| Exhaust system | 2-into-1-into-2 stainless steel blacked-out |
| Driveline | Constant mesh |
| Clutch | Wet multi-plate |
| Transmission type | Shaft drive (cardan) (final drive) |
| Gearbox | 5-speed |
| Cooling system | Liquid |
| Lubrication system | Wet sump |
| Ignition | Electronic ignition |
| Fuel control | Double Overhead Cams/Twin Cam (DOHC) |
| Fuel system | Injection. Suzuki Dual Throttle Valve system |
| Valves per Cylinder | 4 |
| Bore x Stroke | 112.0 x 90.5 mm (4.4 x 3.6 inches) |
| Compression | 10.5:1 |
| Torque | 160.0 Nm (16.3 kgf-m or 118.0 ft.lbs) @ 3200 Revolutions">RPM |
| Power | 125.0 Horsepower">HP (91.2 Kilowatt">kW)) @ 6200 Revolutions">RPM |
| Engine details | 54-degree V-Twin |
| Engine type | V2, four-stroke |
| Capacity: | 1783.0 ccm (108.80 cubic inches) |
| | |
Brakes, suspension, Frame and wheels | |
| Rear brakes | Single disc. Single piston |
| Diameter | 310 mm (12.2 inches) |
| Front brakes | Double disc. Dual piston |
| Rear tire | 240/40-R18 |
| Front tire | 130/70-R18 |
| Rear wheel travel | 118 mm (4.6 inches) |
| Rear Suspension | Link style, solo shock, coil spring, oil damped |
| Front wheel travel | 130 mm (5.1 inches) |
| Front Suspension | Blacked-out, inverted telescopic, coil spring, oil damped |
| Frame type | Double cradle, steel |
| | |
Physical measures and capacities | |
| Fuel capacity | 19.50 litres (5.15 US gallons) |
| Wheelbase | 1710 mm (67.3 inches) |
| Ground clearance | 130 mm (5.1 inches) |
| Overall width | 875 mm (34.4 inches) |
| Overall length | 2450 mm (96.5 inches) |
| Overall height | 1130 mm (44.5 inches) |
| Seat height | 705 mm (27.8 inches) If adjustable, lowest setting. |
| Weight incl. oil, gas, etc | 347.0 kg (765.0 pounds) |
Other specs | |
| Comments | Solo-seat cover (included) can be quickly swapped for the passenger seat. Blacked-out exhaust system, clutch cover, magneto cover, cylinder head covers, air cleaner cover, and final drive case. |
| Factory warranty | 12 month unlimited mileage limited warranty. |
| Instruments | Tank-mounted analog speedometer and LCD odometer, dual tripmeters, fuel gauge and clock. |
| Starter | Electric |
| Color options | Metallic Triton Blue/Glass Sparkle Black, Candy Daring Red/Glass Sparkle Black |
Rider Reviews
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