14 August. Friday 2026
Leonhardt Gunbus 410 - 2012 Specifications and Reviews
The 2012 Leonhardt Gunbus 410 is an unconventional sport bike powered by a massive 6.7-liter V2 engine delivering 710 Nm of torque from just 1900 rpm. Built for riders seeking raw power and distinctive character over traditional performance, this German-engineered machine combines cruiser-style low-end dominance with sport bike attitude. Its oversized displacement and torque-rich powerband make it best known for delivering extreme acceleration and uncompromising riding experience.
General information | |
| Category | Sport |
| Year | 2012 |
| Model | Leonhardt Gunbus 410 |
| | |
Engine and Transmission Specifications | |
| Emission details | Lambda-controlled. Regulated catalytic converter. |
| Driveline | Primary driving gear: duplex roller chain, 1x 11/16". Secondary driving gear: single roller chain, 1x 11/16". |
| Clutch | 3-disk, sintered metal dry clutch |
| Transmission type,final drive | Chain |
| Gearbox | 3-speed |
| Lubrication system | Dry sump lubrication |
| Ignition | Dual ignition |
| Fuel system | Injection. 2 single throttle valves; 70 mm diameter. Sequential fuel injection; lambda-controlled |
| Bore x stroke | 176.0 x 156.0 mm (6.9 x 6.1 inches) |
| Compression | 8.7:1 |
| Torque | 710.00 Nm (72.4 kgf-m or 523.7 ft.lbs) @ 1900 |
| Engine details | 45° cylinder angle |
| Engine type | V2, four-stroke |
| Capacity: | 6728.00 ccm (410.54 cubic inches) |
Brakes, suspension, Frame and wheels | |
| Wheels | Front: 38 diameter; 11 width. Manufacturer: RIGDON, Germany |
| Rear brakes diameter | 310 mm (12.2 inches) |
| Rear brakes | Single disc |
| Front brakes diameter | 310 mm (12.2 inches) |
| Front brakes | Double disc |
| Front suspension | Steel tube trapezoidal fork; 25CrMo4 |
| Frame type | Steel tube frame; 25CrMo4; TIG welding |
Physical measures and capacities | |
| Wheelbase | 2,410 mm (94.9 inches) |
| Overall length | 3,450 mm (135.8 inches) |
| Overall height | 1,480 mm (58.3 inches) |
| Seat height | 800 mm (31.5 inches) If adjustable, lowest setting. |
| Dry weight | 650.0 kg (1,433.0 pounds) |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
| Starter | Electric |
Performance Profile & Rider Fit
6.5s
0-60 mph (est.)
Best For
Track10%
City10%
Cornering15%
Daily Riding20%
Touring35%
Passenger30%
Rider Profile
| Best For | This 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 |
| Purpose | Built 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 Fit | Riders 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. |
| Character | It 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 For | This 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.
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