| MODEL | BOSS HOSS BHC-3 ZZ4 2008 |
| Year | 2008 |
| Engine Type | V8, four-stroke |
| Displacement / Capacity | 5700 cc / 347.8 cu in |
| Bore X Stroke | — |
| Compression Ratio | 10.0:1 |
| Cooling System | Liquid |
| Max Power | 347.5 kW / 476 hp @ 5250 rpm |
| Max Torque | 549.2 Nm / 405.1 lb-ft @ 3500 rpm |
| Ignition | — |
| Induction | Injection, Holley 680 cfm throttle body |
| Start System | Electric |
| TRANSMISSION SPECS | |
| Lubrication | — |
| Gear Box | Automatic |
| Clutch | — |
| Final Drive | Chain |
| CHASSIS SPECS | |
| Frame | — |
| Front Suspension | Inverted forks |
| Rear Suspension | Dual 13 in coilover shocks |
| Front Brakes | Double disc, 320 mm / 12.6 in |
| Rear Brakes | Single disc, 320 mm / 12.6 in |
| DIMENSION SPECS | |
| Overall Length | — |
| Overall Width | — |
| Overall Height | — |
| Seat Height | 711 mm / 28 in |
| Wheelbase | 2032 mm / 80 in |
| Ground Clearance | 114 mm / 4.5 in |
| Dry Weight | 503.5 kg / 1110 lb |
| Wet Weight | — |
| WHEEL SPECS | |
| Front Tyre | 130/90-16 |
| Rear Tyre | 230/60-15 |
| FUEL SYSTEM | |
| Fuel Capacity | — |
| Fuel Consumption | — |
| Top Speed | — |
The ZZ4 moves to throttle-body fuel injection for 2008, with an automatic gearbox and a larger torque figure than the earlier carburettor bikes.
