2015 Suzuki Boulevard C50 B O S S Technical Analysis & Specification Breakdown
At the heart of the 2015 Suzuki Boulevard C50 B O S S custom - cruiser motorcycle, Suzuki utilizes a 805 cc (49.1 cu in) liquid-cooled v2, four-stroke layout. In factory specification, peak output is rated at 79 HP (57.7 kW) at 4,800 rpm while maximum torque reaches 131 Nm (96.6 lb-ft) at 2,600 rpm, transferring power to the rear wheel through a 5-speed gearbox and shaft drive (cardan) final drive. With a specific output of 98.1 HP per liter and a 2,200 rpm working window between peak torque (2,600 rpm) and peak power (4,800 rpm), the engine character is reflecting a performance-oriented street tune that balances strong mid-range pull with an energetic top-end rush.
On the scales, the Boulevard C50 B O S S measures 277.1 kg (611 lbs) wet (curb), translating to a power-to-weight ratio of 0.29 HP/kg (3.51 kg per horsepower). Rider ergonomics and chassis geometry center around a 700 mm (27.6 in) seat height — giving shorter riders and urban commuters confident flat-foot reach at traffic stops, combined with a 1,655 mm (65.2 in) wheelbase engineered for planted straight-line stability. The 15.52-liter (4.1 US gal) fuel tank supports practical everyday commuting and weekend road stints.
Within MotoLibrary's Suzuki archive, this model family spans 3 indexed model years from 2014 to 2016, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.
Specific Output
98.1 HP/L
Power-to-Weight
0.29 HP/kg (3.51 kg/HP)
Power Band Window
2,600–4,800 rpm
Standover Height
700 mm (27.6 in)
Engine
Displacement805.0 ccm (49.12 cubic inches)
Engine TypeV2, four-stroke
Engine Details45-degree V-twin. Aluminum-alloy cylinder plated with Suzuki Composite Electrochemical Material (SCEM).
Power79.0 HP (57.7 kW)) @ 4800 RPM
Torque131.0 Nm (13.4 kgf-m or 96.6 ft.lbs) @ 2600 RPM
Compression9.4:1
Bore x Stroke83.0 x 74.4 mm (3.3 x 2.9 inches)
Fuel SystemInjection
Fuel ControlSingle Overhead Cams (SOHC)
IgnitionElectronic ignition (Transistorized)
LubricationWet sump
CoolingLiquid
Transmission
Gearbox5-speed
Final DriveShaft drive (cardan) (final drive)
DrivelineConstant mesh
Performance
ExhaustChromed and staggered dual-exhaust
Chassis
Frame TypeSoft-tail-style frame
Front SuspensionTelescopic, coil spring, oil damped
Front Travel130 mm (5.1 inches)
Rear SuspensionLink type, coil spring, oil damped
Rear Travel108 mm (4.3 inches)
Wheelbase1655 mm (65.2 inches)
Ground Clearance140 mm (5.5 inches)
Wheels & Brakes
Front Tyre130/90-M16
Rear Tyre170/80-M15
Front BrakesSingle disc
Front Brake Ø330 mm (13.0 inches)
Rear BrakesSingle disc
Rear Brake Ø275 mm (10.8 inches)
Dimensions & Weight
Weight incl.277.1 kg (611.0 pounds)
Seat Height700 mm (27.6 inches) If adjustable, lowest setting.
Use this page to compare this motorcycle by its real specifications, not only by model name. Focus on the details that affect fit, comfort, handling, range and ownership.
Power
Compare engine output with similar motorcycles if acceleration, highway use or two-up riding matters.
Torque
Torque is useful for judging real-world pull, especially for touring, commuting and loaded riding.
Seat Height
Check the seat height against your inseam and riding posture before choosing a motorcycle.
Fuel Capacity
Fuel capacity helps estimate touring range and how often you may need to stop.
Brakes
Brake setup is worth comparing if you ride in traffic, mountains or with a passenger.
Suspension
Suspension details can matter for comfort, road feel and long-distance riding.
Transmission
Transmission and final drive affect maintenance, smoothness and everyday usability.
