2005 Boss Hoss BHC-3 ZZ4 Technical Analysis & Specification Breakdown
Positioned in Boss Hoss's custom - cruiser motorcycle lineup, the 2005 Boss Hoss BHC-3 ZZ4 utilizes a 5700 cc (347.8 cu in) liquid-cooled v8, four-stroke layout. In factory specification, peak output is rated at 355 HP (259.1 kW), transferring power to the rear wheel through belt final drive. With a specific output of 62.3 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-3 ZZ4 measures 499 kg (1100 lbs) dry, translating to a power-to-weight ratio of 0.71 HP/kg (1.41 kg per horsepower). Rider ergonomics and chassis geometry center around a 711 mm (28 in) seat height — giving shorter riders and urban commuters confident flat-foot reach at traffic stops, combined with a 2,032 mm (80 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 7 indexed model years from 2005 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
0.71 HP/kg (1.41 kg/HP)
Standover Height
711 mm (28 in)
Engine
Displacement5700.0 ccm (347.81 cubic inches)
Engine TypeV8, four-stroke
Engine DetailsV8, four-stroke
Power355.0 HP (259.1 kW))
Compression10.0:1
Fuel SystemCarburettor. Quadrajet 750 cfm
CoolingLiquid
Transmission
Final DriveBelt (final drive)
Performance
Exhaust2.0´ with dual mufflers
Chassis
Rake33.0°
Front Suspension63mm inverted forks, adj. preload 2.5´ travel
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.
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.
Suspension
Suspension details can matter for comfort, road feel and long-distance riding.
