John Silseth founded the Viper Motorcycle Company in 2002. It was John’s belief that the motorcycle industry was missing something. That something was a high-performance motorcycle with innovative styling, one off looks, great handling and the dependability of an OEM manufacture. After 8 years of R&D development and a lot of blood, sweat, and tears that belief has come to fruition.

Beginning with our Ilmor Engineering partnership in 2009, when Ilmor took our design, made improvements and they are now producing the world’s most powerful production V-Twin engines. Followed by our relocation in 2011 to a custom built 63,000 square foot World Headquarters in Auburn, AL, where we are currently hand-crafting and marketing the finest Supercruiser Motorcycles in the world.

The Viper Motorcycle Company intends to prove to the world that products designed, engineered, and American Made are once again something special and built to the highest quality and standards.

Viper Supercruiser’s are the definition of extreme performance; their finish and levels of refinement are more than any other motorcycle being built today. Those who have never ridden a Viper can scarcely understand or appreciate that unbelievable rush of performance, which brings it to an entirely new level.

Over 80 percent of a Viper motorcycle is our own proprietary design and most component parts are CNC machined from aircraft quality billet aluminium, incorporating distinctive patented technology born from our racing heritage.

Viper Diablo

Make Model

Viper Diablo

Year

2006

Engine

Four stroke, 45° V-Twin, OHV, 2 valves per cylinder.

Capacity

115, 128, 152 Cubic Inches
Cooling System Air cooled

Induction

Mikuni HSR 45 Flat Slide

Ignition 

Digitally Controlled 
Starting Electric

Transmission

6 Speed 

Final Drive

Belt

Front Suspension

Marzocchi Inverted Adjustable Cartridge Forks
Rear Suspension Viper Chrome Billet Aluminum Swing Arm with Oil Dampened Adjustable Air-Ride

Front Brakes

Single disc 4 piston caliper

Rear Brakes

Single disc 4 piston caliper

Front Tyre

130/70-18

Rear Tyre

260/40-18

The new 2007 Viper Diamondback,
Viper Motorcycles, which calls itself a manufacturer of "Super Cruiser motorcycles with cutting edge technology for the affluent enthusiast," has unveiled two 2007 models, which it says will be produced early in the second quarter of 2006. Although no firm prices have been set, if you want one, you will need to be affluent to the tune $28,000 to $35,000, depending on engine and paint choices. The company offers three engine displacements for its powerplants: 115, 128 or 152 cubic inches (or approximately 1900, 2100 or 2500cc). The company's web site also shows a third model, the Viper Dragon designed by customizer Donnie Smith.

The 2007 models shown by Viper Motorcycles are the Diablo and the Diamondback. The Diablo is an existing model, but the Diamondback is new to the company's line up. Both appear to feature the same frame design. although different billet triple clamp styles grip inverted Marzocchi adjustable cartridge fork legs, with the fork legs apparently raked out more on the Diamond back. The 260mm rear tire of earlier years is apparently carruied forward on both bike. Both bikes use the same style "Proprietary Billet Aluminum" 45-degree air-cooled V-twins, and both use six-speed transmissions that put the belt final drive on the right side of the bike.

Viper Diamondback

The new 2007 Viper Diamondback,
Viper Motorcycles, which calls itself a manufacturer of "Super Cruiser motorcycles with cutting edge technology for the affluent enthusiast," has unveiled two 2007 models, which it says will be produced early in the second quarter of 2006. Although no firm prices have been set, if you want one, you will need to be affluent to the tune $28,000 to $35,000, depending on engine and paint choices. The company offers three engine displacements for its powerplants: 115, 128 or 152 cubic inches (or approximately 1900, 2100 or 2500cc). The company's web site also shows a third model, the Viper Dragon designed by customizer Donnie Smith.

The 2007 models shown by Viper Motorcycles are the Diablo and the Diamondback.  The Diablo is an existing model, but the Diamondback is new to the company's line up. Both appear to feature the same frame design. although different billet triple clamp styles grip inverted Marzocchi adjustable cartridge fork legs, with the fork legs apparently raked out more on the Diamond back. The 260mm rear tire of earlier years is apparently carruied forward on both bike. Both bikes use the same style "Proprietary Billet Aluminum" 45-degree air-cooled V-twins, and both use six-speed transmissions that put the belt final drive on the right side of the bike.