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MotoLibrary Score
83/100High Performance
Power/Weight
0.8 hp/kg
Torque
576 Nm
Engine
6000 ccm
Technical Overview
2008 Boss Hoss BHC-9 LS2 Technical Analysis & Specification Breakdown
Positioned in Boss Hoss's custom - cruiser motorcycle lineup, the 2008 Boss Hoss BHC-9 LS2 relies on a 6000 cc (366.1 cu in) liquid-cooled v8, four-stroke powerplant. In factory specification, peak output is rated at 425 HP (310.2 kW) at 5,250 rpm while maximum torque reaches 576.3 Nm (425.1 lb-ft) at 5,250 rpm, transferring power to the rear wheel through a automatic gearbox and belt final drive. With a specific output of 70.8 HP per liter, 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-9 LS2 measures 528.4 kg (1165 lbs) dry, translating to a power-to-weight ratio of 0.8 HP/kg (1.24 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.
Specific Output
70.8 HP/L
Power-to-Weight
0.8 HP/kg (1.24 kg/HP)
Standover Height
635 mm (25 in)
Engine
Displacement6000.0 ccm (366.12 cubic inches)
Engine TypeV8, four-stroke
Engine DetailsV8, four-stroke
Power425.0 HP (310.2 kW)) @ 5250 RPM
Torque576.3 Nm (58.8 kgf-m or 425.1 ft.lbs) @ 5250 RPM
Compression10.0:1
Fuel SystemInjection. Multi-port
CoolingLiquid
Transmission
GearboxAutomatic
Final DriveBelt (final drive)
Performance
Exhaust2.5 inch with dual mufflers
Chassis
Frame Type28.0
Rake33.0°
Front SuspensionInverted forks
Rear SuspensionDual 13.0 inch coilover shocks
Wheelbase1956 mm (77.0 inches)
Ground Clearance114 mm (4.5 inches)
Wheels & Brakes
Front Tyre130/90-16
Rear Tyre230/60-15
Front BrakesDouble disc. 4-piston calipers
Front Brake Ø320 mm (12.6 inches)
Rear BrakesSingle disc. 4-piston calipers
Rear Brake Ø320 mm (12.6 inches)
Dimensions & Weight
Dry Weight528.4 kg (1,165.0 pounds)
Power/Weight0.8043 HP/kg
Seat Height635 mm (25.0 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.
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.
Transmission
Transmission and final drive affect maintenance, smoothness and everyday usability.
