The M30 proved to be a durable and reliable engine, capable of withstanding modifications to make high levels of horsepower. The engine remains a popular classic among racers. The M103 6-cylinder ...

The six-cylinder strikes ... just a few years ago, the most powerful six-pot you could buy was found in the Porsche 911 GT2 ...

Yamaha has made some exceptional motorcycle and car engines over the years, powering its vehicles and those of other brands.

Chevy almost pulled the trigger on what would have been the hottest classic turbocharged sports car of all time, but for ...

And unlike the performance arc that the 60s six-cylinders had, all these bikes are low-slung touring motorcycles, except one.