Some of my favorite motorcycles are these Engines that seem completely inappropriate To be used on two wheels. Perhaps the best example of this idea is the Millyard Viper V10, a motorcycle that will make you drool while shivering like a Chihuahua.
The Millyard Viper V10 has been around since 2009 with its builder, Allen Millyard, putting in 9,150 miles on a one-off build since then. And if you’ve ever wondered what it feels like to keep running something like this, he uploaded a video detailing the maintenance before taking it on an exciting test ride. You’ll want your headphones for this.
Millyard builds dream bikes. Over the past two decades, the guy has paired interesting power plants with bespoke motorcycles. Perhaps he is best known for it flying timber industry, a tracking device containing two cylinders of a Pratt and Whitney 1340 radial aircraft engine. We’re talking about a 5-liter V-twin motorcycle that looks like an old plane.
Millyard has also built some amazing Kawasakis. For example, his 883cc Kawasaki KH500 Millyard Special, takes Kawasaki’s fast 500cc two-stroke engine and adds on two more cylinders. Or perhaps most amazing, Millyard took two inline KZ1300 cylinder blocks and fed them. Together in a V12.
In 2003, Dodge rolled a Tomahawk to the floor of the Detroit Auto Show. Calling it a motorcycle might be a stretch because Tomahawk had a Viper V10 engine with a seat and four wheels attached to it.
Only one prototype was built, with nine others produced as non-functional $555,000 Neiman Marcus sculptures.
But this did not stop the car from capturing the eyes and imagination of motorcyclists everywhere. He saw Milliard and his son Stephen Tomahawk at the 2004 Goodwood Festival of Speed, and told Stephen Millyard he could do better. This he certainly did.
As motorcycle news NotesMillyard started by acquiring an 8-liter Viper V10 from a 1995 Dodge Viper GTS on eBay. Then in July 2007, construction began, and had a rolling structure by Christmas. By April 2009, it was completed and in an interview with Motorcycle News, Millyard said:
“Finally, it took about a year to build,” Allen told MCN. “Really, I did it to beat the Americans at what they do best. They had two attempts to build a Viper motorized bike (Tomahawk and a one-off Boss Hoss version) and that’s better than both.”
And unlike a tomahawk, this is a legal road.
This thing was so fat and so heavy that there weren’t any forks on the market that could support it, so Millyard made it himself. There is no frame either. Instead, a subframe is mounted to the front of the engine while a single-sided rocker arm is mounted to the transmission aft. The engine alone weighs 750 pounds, and the bike has a total weight of 1,389 pounds.
The eight-liter Viper V10 engine produces 500 horsepower in this motorcycle, and Millyard has shown that that power can be controlled on two wheels. And while it didn’t hit Millyard’s 250 mph goal, it did hit 207 mph.
The maintenance shown in the video above is certainly minor. Before he was set to run his MOT check, Millyard checked his creation. It needed some repairs like the light wires being put back in place and some air in its rear tire.
It’s great to see and hear such a great one time motorcycle running so well. The fact that Millyard has traveled so many miles is a testament to his skills as well. If you haven’t, watch this video to the end and make sure the audio is on.