Are you one of those guys who feels there's just no substitute for cubic inches? Well, Bill Price thought you might like to know he's designing an engine for you, it's called the Bad Dog 215, as in 215 cubic inches. The sixty-degree air-and-oil-cooled 4-valve DOHC semi-unit 3500cc engine has a 6 inch bore and 4 inch stroke, connecting rods run side by side on a single throw … [Read more...]
D1200R – BMW Based Concept Motorcycle
Every now and then, one of the many emails we receive from designers and builders stands out from the crowd, and this project, the BMW D1200R by Pablo Gonzalez de Chaves and Carlos Beltran, is one of the best to come along in quite some time. Pablo started with the idea of improving and transforming the BMW R1200R into a new motorcycle, with a new front suspension, a new … [Read more...]
Gunbus 410 Cubic Inch V-Twin Motorcycle Completed
The Gunbus 410 cubic inch V-Twin motorcycle is complete. The monster engine placed in a motorcycle frame of comparable size looked impossible and many who saw the photos were skeptical of the bike ever being finished but I guess, Clemens F. Leonhardt is one of those persistent guys who ignores the naysayers and keeps at his work. The fuel injected, 45 degree 6728 cc / 410 … [Read more...]
Honda 125cc Inline 4 Cylinder Monkey Bike
The little Honda Monkey bikes, the 50cc Z series mini bikes, are pretty popular in some countries. Some fans of the little guy really engineer very nifty modifications, like this 125cc inline 4 cylinder engine for instance. It's so small it looks like a model but it's a real engine and sounds great! Not a lot of detail on their website but very, very cool. Thanks for the … [Read more...]
Harley Davidson 4 Valve Big Twin Sportbike
Digging around in some old images I came across this bike and I have zero information about it but as you can see, there's something very interesting here. Housed in a custom sportbike frame is a Harley Davidson big twin, with 4 valve heads no less! There is some type of induction system with velocity stacks sticking up through the tank and beyond that, you know as much as I … [Read more...]
DesmoHarley – Italian American V-Twin Completed
Chris Barber sent in a few photos of the now completed DesmoHarley, his own unique Harley Davidson engine with Ducati heads, and it is a beauty. A few weeks ago when we introduced you to his project, the drawings were all we could see. Since that time Chris put it all together and it's the kind of thing that gets a motorhead all twitchy just looking at it! Here are the … [Read more...]