2012 Leonhardt Gunbus 410. Image credits - Leonhardt.
Leonhardt's profilation of this bike
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.
General information
Model name
Leonhardt Gunbus 410
Year
2012
Category
Sport
Rating
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Engine and transmission
Displacement
6728.0 ccm (410.54 cubic inches)
Engine type
V2, four-stroke
Engine details
45° cylinder angle
Torque
710.0 Nm (72.4 kgf-m or 523.7 ft.lbs) @ 1900 RPM
Compression
8.7:1
Bore x stroke
176.0 x 156.0 mm (6.9 x 6.1 inches)
Fuel system
Injection. 2 single throttle valves; 70 mm diameter. Sequential fuel injection; lambda-controlled
Ignition
Dual ignition
Lubrication system
Dry sump lubrication
Gearbox
3-speed
Transmission type
Chain (final drive)
Clutch
3-disk, sintered metal dry clutch
Driveline
Primary driving gear: duplex roller chain, 1´x 11/16´. Secondary driving gear: single roller chain, 1´x 11/16´.
Emission details
Lambda-controlled. Regulated catalytic converter.
Chassis, suspension, brakes and wheels
Frame type
Steel tube frame; 25CrMo4; TIG welding
Front suspension
Steel tube trapezoidal fork; 25CrMo4
Front brakes
Double disc
Diameter
310 mm (12.2 inches)
Rear brakes
Single disc
Diameter
310 mm (12.2 inches)
Wheels
Front: 38” diameter; 11” width. Manufacturer: RIGDON, Germany
Physical measures and capacities
Dry weight
650.0 kg (1,433.0 pounds)
Seat height
800 mm (31.5 inches) If adjustable, lowest setting.
Overall height
1480 mm (58.3 inches)
Overall length
3450 mm (135.8 inches)
Wheelbase
2410 mm (94.9 inches)
Other specifications
Starter
Electric
Comments
German brand.
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Further information
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property of the respective owners. Technical specifications are subject to change without notice.