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← Boss Hoss
Custom - Cruiser · 2009

BHC-3 ZZ4

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MotoLibrary Score
80 /100 High Performance
Power/Weight
0.71 hp/kg
Torque
549 Nm
Engine
5700 ccm

2009 Boss Hoss BHC-3 ZZ4 Technical Analysis & Specification Breakdown

Positioned in Boss Hoss's custom - cruiser motorcycle lineup, the 2009 Boss Hoss BHC-3 ZZ4 relies on a 5700 cc (347.8 cu in) liquid-cooled v8, four-stroke powerplant. 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 a automatic gearbox and 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 measures 503.5 kg (1110 lbs) dry, translating to a power-to-weight ratio of 0.71 HP/kg (1.42 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 paired with a rated consumption of 10.45 L/100 km provides an estimated theoretical range of roughly 308 km (191 miles) between fill-ups.

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 (1.42 kg/HP)
Power Band Window
3,500–5,250 rpm
Theoretical Range
~308 km (191 mi)
Engine
Displacement 5700.0 ccm (347.81 cubic inches)
Engine Type V8, four-stroke
Engine Details V8, four-stroke
Power 355.0 HP (259.1 kW)) @ 5250 RPM
Torque 549.2 Nm (56.0 kgf-m or 405.1 ft.lbs) @ 3500 RPM
Compression 10.0:1
Fuel System Injection. Holly 680 cfm Throttle Body
Cooling Liquid
Transmission
Gearbox Automatic
Final Drive Belt (final drive)
Performance
Fuel Consumption 10.45 litres/100 km (9.6 km/l or 22.51 mpg)
Greenhouse Gases 242.4 CO2 g/km. (CO2 - Carbon dioxide emission)
Exhaust 2.5 inch with dual mufflers
Chassis
Rake 33.0°
Front Suspension Inverted forks
Rear Suspension Dual 13.0 inch coilover shocks
Wheelbase 2032 mm (80.0 inches)
Ground Clearance 114 mm (4.5 inches)
Wheels & Brakes
Front Tyre 130/90-16
Rear Tyre 230/60-15
Front Brakes Double disc. Floating disc, 4-piston calipers
Front Brake Ø 320 mm (12.6 inches)
Rear Brakes Single disc. Floating disc, 4-piston calipers
Rear Brake Ø 320 mm (12.6 inches)
Dimensions & Weight
Dry Weight 503.5 kg (1,110.0 pounds)
Power/Weight 0.7051 HP/kg
Seat Height 711 mm (28.0 inches) If adjustable, lowest setting.
Overall Length 2692 mm (106.0 inches)
Overall Width 711 mm (28.0 inches)
Fuel Capacity 32.17 litres (8.50 US gallons)
Other
Starter Electric
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Power
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Torque
Torque is useful for judging real-world pull, especially for touring, commuting and loaded riding.
Seat Height
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Weight
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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.
Rider Profile

Who Is This Bike For?

🔴
Advanced
High performance — experienced riders only.
✌️
Best For
Cruising & Touring
📏
Seat Height
71.1 cm / 28 in
⚖️
Handling
Heavy bike — requires confident handling
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