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.

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General information

CategoryCustom / cruiser
Year2005
ModelBoss Hoss BHC-3 ZZ4
 
 

Engine and Transmission Specifications

Exhaust system2.0´ with dual mufflers
Transmission type,final driveBelt
Cooling systemLiquid
Fuel systemCarburettor. Quadrajet 750 cfm
Compression10.0:1
Power355.00
Engine typeV8, four-stroke
Capacity:5700.00 ccm (347.81 cubic inches)

Brakes, suspension, Frame and wheels

Rear tyre dimensions230/60-7.0x15.0
Front tyre dimensions130/90-16, 3.50x16.0
Rear suspensionDual 13.0´ coilover shocks, adj. preload
Front suspension63mm inverted forks, adj. preload 2.5´ travel
Rake (fork angle)33.0°

Physical measures and capacities

Fuel capacity32.17 litres (8.50 gallons)
Wheelbase2,032 mm (80.0 inches)
Ground clearance114 mm (4.5 inches)
Overall width711 mm (28.0 inches)
Seat height711 mm (28.0 inches) If adjustable, lowest setting.
Power/weight ratio0.7115 HP/kg
Dry weight499.0 kg (1,100.0 pounds)

Other specs

MaintenanceFind 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 ForThis machine is best suited to confident, experienced riders who are comfortable managing a massive, torque-heavy V8 at low speed.
PurposeIt exists primarily as a straight-line spectacle and show-stopping cruiser, built for thunderous acceleration and attention rather than nimble riding.
Rider FitThe huge dry weight, long wheelbase, and low ground clearance demand strong, deliberate low-speed handling skills and physical confidence when maneuvering it.
CharacterIt has an outrageous, brash personality defined by raw V8 torque, automotive-derived engineering, and unapologetic size and presence.
Not Ideal ForIt 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.

Rider Fit Visualizer

2005 Boss Hoss BHC-3 ZZ4 Rider Ergonomics Assessment

Calculated in your browser only - your height/inseam are never sent to our servers.

Feet:

At 711mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with both feet flat on the 2005 Boss Hoss BHC-3 ZZ4, with a cramped knee angle of around 80 degrees and a slightly forward riding position.

Data quality: measured. Assumes about 30mm of suspension sag once seated (a typical street-bike rule of thumb - stiffer or softer suspension will vary). This is an approximation from category-typical geometry and generic body proportions, not a measurement of this specific bike or you - sit on it before you buy.

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