Boss Hoss BHC-9 ZZ4 - Specifications & Review

BHC-9 ZZ4

Article Complete Info

Articleid243677
CategoryCustom-cruiser
MakeBoss Hoss
ModelBHC-9 ZZ4
Year2008

Chassis, Suspension, Brakes & Wheels

FrontbrakesDouble disc. 4-piston calipers
Frontsuspensioninverted forks
Fronttyre130/90-16
Frontwheeltravel89 mm (3.5 inches)
Rake35.0°
RearbrakesSingle disc. 4-piston calipers
RearsuspensionDual 17´ coilover shocks, single 17.5 inch rebound damper
Reartyre275/60-15

Engine & Transmission

CoolingsystemLiquid
Displacement5700.00 ccm (347.81 cubic inches)
EnginedetailsV8, four-stroke
FuelsystemInjection. Holly 680 cfm Throttle Body
Power355.00 HP (259.1 kW)) @ 5250 RPM
Torque549.18 Nm (56.0 kgf-m or 405.1 ft.lbs) @ 4200 RPM
TransmissiontypefinaldriveShaft drive (cardan)

Other Specifications

CommentsTrike. Three wheel bike.
StarterElectric

Physical Measures & Capacities

Dryweight680.4 kg (1,500.0 pounds)
Groundclearance165 mm (6.5 inches)
Powerweightratio0.5218 HP/kg

About Boss Hoss

Country of Origin: United States
Founder: Monte Warne
Best Known For: Chevy V8-powered motorcycles and trikes with automatic transmissions

Company History

Boss Hoss took an idea that sounded like a dare—put a small-block Chevrolet V8 into a motorcycle—and turned it into a surprisingly rideable, fully supported product line. Founded in Tennessee by Monte Warne in the 1990s, the company engineered around the mass and heat of a car engine with oversized radiators, carefully distributed weight, and long wheelbases for stability. Automatic transmissions and belt or shaft final drive simplified operation, making the bikes less intimidating than their displacement suggests. The result is a riding experience that’s as much about torque as about speed: effortless roll-on, relaxed revs, and highway passing that feels like a shrug. Frames, brakes, and tires were all spec’d to handle the loads, while trike variants opened the experience to riders who preferred three wheels. Boss Hoss embraced its show-stopping identity—polished metal, custom paint, and the distinctive burble of a V8 at idle—but it also built the dealer and parts networks that transform spectacle into sustainable ownership. Purists may debate whether such machines are “motorcycles” in spirit; owners typically answer by racking up cross-country miles and telling stories at every fuel stop. Historically, Boss Hoss is important because it widened the definition of what a motorcycle can be, proving that outrageous ideas can be domesticated with good engineering and that emotional theater—sound, presence, and scale—can coexist with reliability. In a landscape dominated by optimization, Boss Hoss celebrates excess, and for its community, that’s precisely the point.

Other Years

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