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MotoLibrary Score
78/100High Performance
Power/Weight
0.85 hp/kg
Engine
8226 ccm
Technical Overview
2003 Boss Hoss Big Block STUD Hoss Technical Analysis & Specification Breakdown
At the heart of the 2003 Boss Hoss Big Block STUD Hoss custom - cruiser motorcycle, Boss Hoss utilizes a 8226 cc (502 cu in) v8, four-stroke layout. In factory specification, peak output is rated at 502 HP (366.4 kW). With a specific output of 61 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 Big Block STUD Hoss measures 589.7 kg (1300 lbs) dry, translating to a power-to-weight ratio of 0.85 HP/kg (1.17 kg per horsepower). Rider ergonomics and chassis geometry center around a 686 mm (27 in) seat height — giving shorter riders and urban commuters confident flat-foot reach at traffic stops, combined with a 2,083 mm (82 in) wheelbase engineered for planted straight-line stability.
Specific Output
61 HP/L
Power-to-Weight
0.85 HP/kg (1.17 kg/HP)
Standover Height
686 mm (27 in)
Engine
Displacement8226.0 ccm (501.95 cubic inches)
Engine TypeV8, four-stroke
Engine DetailsV8, four-stroke
Power502.0 HP (366.4 kW))
Fuel SystemCarburettor
Chassis
Rake33.0°
Front SuspensionInverted forks
Wheelbase2083 mm (82.0 inches)
Ground Clearance178 mm (7.0 inches)
Wheels & Brakes
Front Brakes(Unspecified)
Rear Brakes(Unspecified)
Dimensions & Weight
Dry Weight589.7 kg (1,300.1 pounds)
Power/Weight0.8513 HP/kg
Seat Height686 mm (27.0 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.
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.
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.
