Sunday, July 27, 2008


built in series

With its 3.47 meters total length, the GUNBUS 410 reveals to be the most perfect combination of a tremendous performance potential and a well-balanced design: an overwhelming monument made of steel and aluminium.

Due to the unusual dimensions of the individual vehicle components, it was an extremely interesting challenge to realize the overall concept of building this motorcycle, including the demanding mechanical and technical requirements.

Just a look at this massive, 410 cubic inches, two-cylinder V-type engine in a standing position makes you feel the huge elemental force resting in this fascinating aggregate.

It is the classical, clear and elegant shape of this motorcycle in prefect harmony with its distinctive, mechanical design which lets the GUNBUS 410 appear to be an especially charismatic vehicle with an irresistible visual effect. And moreover, since the creation of GUNBUS terms such as size and performance have been given a completely different meaning.

Technical Data


* 2-cylinder; V-type arrangement
* Cylinder angle: 45°
* Stroke of piston: 176 mm
* Boring diameter: 156 mm
* Piston capacity: 6728 cm³, 410 cu inches
* Compression ratio: 8,7 : 1
* Maximum engine torque: 710 Nm at 1900 RPM


* 3-gear sequential transmission with reverse gear


* 3-disk, sintered metal dry clutch
* Diameter: 140 mm
* Hydraulic operation

Driving gear:

* Primary driving gear: duplex roller chain, 1"x 11/16"
* Secondary driving gear: single roller chain, 1"x 11/16"


* Steel tube frame; 25CrMo4; TIG welding
* Steering head angle: 65°
* Steel tube trapezoidal fork; 25CrMo4

Mixture control:

* 2 single throttle valves; 70 mm diameter
* Sequential fuel injection; lambda-controlled
* Regulated catalytic converter; dual ignition
* Electronic engine management with switch-off slip control


* Front: 38” diameter; 11” width; Manufacturer: RIGDON, Germany
* Rear: 42” diameter; 15” width; Manufacturer: RIGDON, Germany

Braking system:

* Front: two disks; 310 mm diameter
* Rear: one disk; 310 mm diameter


* Dry sump lubrication

Dimension and weights:

* Total length of vehicle: 3450 mm
* Wheel base: 2410 mm
* Total height: 1480 mm
* Sitting height: 800 mm
* Total weight, empty/curb weight: 650 kg

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