The names Harley-Davidson and Porsche carry as much weight in automotive circles as any manufacturers in the history of moving vehicles. The iconic brands, of course, hold sway over decidedly ...

There's no shortage of insane motorcycle engine swaps online. And there's no shortage of insane motorcycle engines that come directly from the factory. I mean, recall that the MTT Turbine Superbike, ...

While you may be able to name a dozen prominent American manufacturers, few produce a product as legendary and iconic as Harley-Davidson, Inc. With more than a century of motorcycle building history, ...

The fastest production motorcycles of the late 1990s were extraordinary machines. The Suzuki Hayabusa arrived in 1999 with an engine that could push it past 190 mph. The Kawasaki Ninja ZX-12R followed ...

Determining the average lifespan of a motorcycle engine depends significantly on the particular engine in question. There are numerous examples of the best and worst motorcycle engines built by the ...