Leonhardt Gunbus 410 - 2014 Specifications and Reviews

The 2014 Leonhardt Gunbus 410 is an extreme cruiser built for adventurous riders seeking raw power and unconventional engineering. Its massive 6.7-liter V2 engine delivers 710 Nm of torque at low RPMs, making it legendary for outrageous performance despite its modest three-speed transmission. Best suited for experienced riders wanting a unique, statement-making motorcycle.

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General information

CategorySport
Year2014
ModelLeonhardt Gunbus 410

Engine and Transmission Specifications

Emission detailsLambda-controlled. Regulated catalytic converter.
DrivelinePrimary driving gear: duplex roller chain, 1´x 11/16´. Secondary driving gear: single roller chain, 1´x 11/16´.
Clutch3-disk, sintered metal dry clutch
Transmission type,final driveChain
Gearbox3-speed
Lubrication systemDry sump lubrication
IgnitionDual ignition
Fuel systemInjection. 2 single throttle valves; 70 mm diameter. Sequential fuel injection; lambda-controlled
Bore x Stroke176.0 x 156.0 mm (6.9 x 6.1 inches)
Compression8.7:1
Torque710.00 Nm (72.4 kgf-m or 523.7 ft.lbs) @ 1900 RPM
Engine details45° cylinder angle
Engine typeV2, four-stroke
Capacity:6728.00 ccm (410.54 cubic inches)
 
 

Brakes, suspension, Frame and wheels

WheelsFront: 38” diameter; 11” width. Manufacturer: RIGDON, Germany
Rear brakes diameter310 mm (12.2 inches)
Rear brakesSingle disc
Front brakes diameter310 mm (12.2 inches)
Front brakesDouble disc
Rear SuspensionUnit swing
Front SuspensionSteel tube trapezoidal fork; 25CrMo4
Rake (fork angle)25.0°
Frame typeSteel tube frame; 25CrMo4; TIG welding

Physical measures and capacities

Wheelbase2,410 mm (94.9 inches)
Overall length3,450 mm (135.8 inches)
Overall height1,480 mm (58.3 inches)
Seat height800 mm (31.5 inches) If adjustable, lowest setting.
Dry weight650.0 kg (1,433.0 pounds)
 
 

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
CommentsGerman brand. Electronic engine management with switch-off slip control.
StarterElectric
Color optionsBlack

Performance Profile & Rider Fit

6.5s
0-60 mph (est.)

Best For

Track10%
City10%
Cornering15%
Daily Riding20%
Touring35%
Passenger30%

Rider Profile

Best ForThis is a machine for experienced, confident riders only, given its enormous 6.7-liter engine, 650kg dry weight, and unconventional 3-speed gearbox with a 38-inch front wheel; note this is an extreme novelty/custom-style build (the Gunbus 410, reportedly
PurposeBuilt as a rolling engineering spectacle and torque-monster cruiser, it exists to deliver a jaw-dropping, low-RPM grunt experience and turn heads rather than to be ridden hard or fast.
Rider FitRiders need real strength and low-speed balance skills to manage its massive weight, huge front wheel, and low-speed maneuvering, though the low 800mm seat height helps with reach to the ground.
CharacterIt has an outlaw, larger-than-life industrial character defined by thunderous low-end torque, a massive V-twin heartbeat, and a slow, deliberate, intimidating presence rather than outright speed.
Not Ideal ForThis is not for riders wanting agility, cornering finesse, off-road capability, or a conventional day-to-day commuter experience.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Fit Visualizer

2014 Leonhardt Gunbus 410 Rider Ergonomics Assessment

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

Feet:

At 800mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with both feet flat on the 2014 Leonhardt Gunbus 410, with a cramped knee angle of around 70 degrees and a forward-leaning 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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Rider Reviews

Total comments: 1
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MotorcycleDB Review

The 2014 Leonhardt Gunbus 410 is a powerhouse of a motorcycle. With its massive 410 cubic inch engine, this bike is a force to be reckoned with on the road. The Gunbus 410's unique design and engineering set it apart from other motorcycles on the market, making it a standout choice for riders looking for something truly special. Not only does the Gunbus 410 offer impressive performance, but it also has a striking and eye-catching appearance. Its bold lines and attention to detail make it a head-turner wherever it goes. Riders looking for a truly one-of-a-kind motorcycle experience should definitely consider the 2014 Leonhardt Gunbus 410. With its powerful engine and stunning design, this bike offers a ride like no other.
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