2011 Boss Hoss BHC-3 ZZ4 SS Technical Analysis & Specification Breakdown
At the heart of the 2011 Boss Hoss BHC-3 ZZ4 SS custom - cruiser motorcycle, Boss Hoss pairs a 5700 cc (347.8 cu in) liquid-cooled v8, four-stroke architecture with road-focused gearing. In factory specification, peak output is rated at 355 HP (259.1 kW) at 5,250 rpm while maximum torque reaches 549.2 Nm (405.1 lb-ft) at 3,500 rpm, transferring power to the rear wheel through belt final drive. With a specific output of 62.3 HP per liter and a 1,750 rpm working window between peak torque (3,500 rpm) and peak power (5,250 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 ZZ4 SS measures 528 kg (1164 lbs) wet (curb), translating to a power-to-weight ratio of 0.67 HP/kg (1.49 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 2007 to 2011, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.
Specific Output
62.3 HP/L
Power-to-Weight
0.67 HP/kg (1.49 kg/HP)
Power Band Window
3,500–5,250 rpm
Standover Height
635 mm (25 in)
Engine
Displacement5700.0 ccm (347.81 cubic inches)
Engine TypeV8, four-stroke
Engine DetailsV8, four-stroke
Power355.0 HP (259.1 kW)) @ 5250 RPM
Torque549.2 Nm (56.0 kgf-m or 405.1 ft.lbs) @ 3500 RPM
Compression10.0:1
Fuel SystemInjection. Holly 680 cfm Throttle Body
Fuel ControlDouble Overhead Cams/Twin Cam (DOHC)
CoolingLiquid
Transmission
Final DriveBelt (final drive)
Driveline2-speed semi-auto transmission with reverse.
Performance
Exhaust2.5 inch with dual mufflers
Chassis
Rake33.0°
Front SuspensionInverted forks, 63 mm
Rear SuspensionDual 13.0 inch coilover shocks
Wheelbase1956 mm (77.0 inches)
Wheels & Brakes
Front Tyre130/90-16
Rear Tyre230/60-15
Front BrakesDouble disc. 4-piston
Front Brake Ø320 mm (12.6 inches)
Rear BrakesSingle disc. 4-piston
Rear Brake Ø320 mm (12.6 inches)
Dimensions & Weight
Dry Weight503.0 kg (1,108.9 pounds)
Weight incl.528.0 kg (1,164.0 pounds)
Power/Weight0.7058 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.
