Boss Hoss BHC-3 ZZ4 - 2005 Specifications and Reviews
The 2005 Boss Hoss BHC-3 ZZ4 is an extreme custom cruiser powered by a massive 5.7-liter V8 engine producing 355 horsepower, appealing to riders seeking maximum engine displacement and automotive-grade performance. Built on a stretched chassis with aggressive 33-degree rake and dual suspension geometry, it's best known for being one of the largest-displacement production motorcycles ever created. This machine suits collectors and enthusiasts who prioritize raw power and novelty over conventional motorcycle handling.
General information | |
| Category | Custom / cruiser |
| Year | 2005 |
| Model | Boss Hoss BHC-3 ZZ4 |
| | |
Engine and Transmission Specifications | |
| Exhaust system | 2.0´ with dual mufflers |
| Transmission type,final drive | Belt |
| Cooling system | Liquid |
| Fuel system | Carburettor. Quadrajet 750 cfm |
| Compression | 10.0:1 |
| Power | 355.00 |
| Engine type | V8, four-stroke |
| Capacity: | 5700.00 ccm (347.81 cubic inches) |
Brakes, suspension, Frame and wheels | |
| Rear tyre dimensions | 230/60-7.0x15.0 |
| Front tyre dimensions | 130/90-16, 3.50x16.0 |
| Rear suspension | Dual 13.0´ coilover shocks, adj. preload |
| Front suspension | 63mm inverted forks, adj. preload 2.5´ travel |
| Rake (fork angle) | 33.0° |
Physical measures and capacities | |
| Fuel capacity | 32.17 litres (8.50 gallons) |
| Wheelbase | 2,032 mm (80.0 inches) |
| Ground clearance | 114 mm (4.5 inches) |
| Overall width | 711 mm (28.0 inches) |
| Seat height | 711 mm (28.0 inches) If adjustable, lowest setting. |
| Power/weight ratio | 0.7115 HP/kg |
| Dry weight | 499.0 kg (1,100.0 pounds) |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
Performance Profile & Rider Fit
355 hp
Peak Power
4.3s
0-60 mph
Best For
Track20%
City25%
Cornering20%
Daily Riding40%
Touring45%
Passenger55%
Rider Profile
| Best For | This machine is best suited to confident, experienced riders who are comfortable managing a massive, torque-heavy V8 at low speed. |
| Purpose | It exists primarily as a straight-line spectacle and show-stopping cruiser, built for thunderous acceleration and attention rather than nimble riding. |
| Rider Fit | The huge dry weight, long wheelbase, and low ground clearance demand strong, deliberate low-speed handling skills and physical confidence when maneuvering it. |
| Character | It has an outrageous, brash personality defined by raw V8 torque, automotive-derived engineering, and unapologetic size and presence. |
| Not Ideal For | It is not for riders seeking agile cornering, off-road capability, or a lightweight, easy-to-manage everyday bike. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
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