2012 Boss Hoss BHC-3 LS3 SS Technical Analysis & Specification Breakdown
Built around Boss Hoss's custom - cruiser motorcycle platform, the 2012 Boss Hoss BHC-3 LS3 SS features a 6200 cc (378.3 cu in) liquid-cooled v8, four-stroke configuration. In factory specification, peak output is rated at 445 HP (324.8 kW) at 5,750 rpm while maximum torque reaches 603.4 Nm (445.1 lb-ft) at 4,750 rpm. With a specific output of 71.8 HP per liter and a 1,000 rpm working window between peak torque (4,750 rpm) and peak power (5,750 rpm), the engine character is indicating a tractable, stress-free state of tune focused on everyday usability and broad torque delivery.
On the scales, the BHC-3 LS3 SS measures 680 kg (1499 lbs) dry, translating to a power-to-weight ratio of 0.65 HP/kg (1.53 kg per horsepower). Rider ergonomics and chassis geometry center around a 635 mm (25 in) seat height — giving shorter riders and urban commuters confident flat-foot reach at traffic stops, combined with a 1,956 mm (77 in) wheelbase engineered for planted straight-line stability. The 32.17-liter (8.5 US gal) fuel tank supports practical everyday commuting and weekend road stints.
Within MotoLibrary's Boss Hoss archive, this model family spans 5 indexed model years from 2010 to 2017, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.
Specific Output
71.8 HP/L
Power-to-Weight
0.65 HP/kg (1.53 kg/HP)
Power Band Window
4,750–5,750 rpm
Standover Height
635 mm (25 in)
Engine
Displacement6200.0 ccm (378.32 cubic inches)
Engine TypeV8, four-stroke
Engine DetailsAluminum - 6 bolt main block. Aluminium cylinders.
Power445.0 HP (324.8 kW)) @ 5750 RPM
Torque603.4 Nm (61.5 kgf-m or 445.1 ft.lbs) @ 4750 RPM
Compression10.7:1
Valves/Cylinder4
Fuel SystemInjection. Mulit-port injection
Fuel ControlDouble Overhead Cams/Twin Cam (DOHC)
CoolingLiquid
Transmission
Driveline2-speed semi-auto transmission with reverse
Performance
Exhaust2.5 inch with dual mufflers
Chassis
Rake33.0°
Front SuspensionInverted forks, 63 mm, adjustable preload,
Front Travel89 mm (3.5 inches)
Rear SuspensionDual 13.0 inch coilover shocks, adjustable preload
Wheelbase1956 mm (77.0 inches)
Ground Clearance114 mm (4.5 inches)
Wheels & Brakes
Front Tyre130/90-16
Rear Tyre230/60-15
Front BrakesDouble disc. Dual 4-piston caliper
Front Brake Ø320 mm (12.6 inches)
Rear BrakesSingle disc. 4-piston caliper
Rear Brake Ø320 mm (12.6 inches)
Dimensions & Weight
Dry Weight680.0 kg (1,499.1 pounds)
Power/Weight0.6544 HP/kg
Seat Height635 mm (25.0 inches) If adjustable, lowest setting.
Overall Length2616 mm (103.0 inches)
Overall Width711 mm (28.0 inches)
Fuel Capacity32.17 litres (8.50 US gallons)
Other
StarterElectric
Warranty1 year unlimited miles excluding engine and drivetrain
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.
Weight
Compare weight carefully because it affects low-speed handling, parking and confidence.
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.
