Discover how one V-Twin engine defies the odds to stay relevant, even when new parallel-twins try to steal its glory ...

These engines did a lot more than simply give motive power to the motorcycles wrapped around them.

This parallel-twin takes the fight to proven V-twin engines with exceptional reliability and primary balance, along with a ...

Motorcyclists can be a bit obsessive when it comes to maintenance and keeping their engines properly cared for, and for good reason: compared to the typical automobile engine, motorcycle powerplants ...

This sub-1200cc American engine has over 180 horsepower and 100 pound-feet of torque, beating Harley and Indian bikes by a ...

Cars need torque; bikes need revs. This assumption has divided the automotive sphere for decades. While both share the same working principle, there are significant differences between a motorcycle ...

Motorcycles grow more powerful with each passing year, with engines like Indian's Power Plus 108 and Harley-Davidson's new 2.1-liter Screaming Eagle IV V-twin putting out 122 and 130 horsepower, ...

Are you ready for a ground-shattering truth? Motorcycles and cars are different. We know, shocking, isn't it? But those differences become even more apparent when it comes to their engines. While it's ...

Even with the heat, many bikers consider summer one of the best seasons for riding; the days are longer, the skies are clearer, and so there's lots of sunshine. With the more extreme seasons behind ...

Photo: Honda Motor Co., Ltd. Carmakers have used engines designed for motorcycles on cars on many occasions, yet in terms of sheer spectacle, the five models we’ll rediscover in this article are among ...

If you're just getting into motorcycles, it's important to know exactly what sort of oil you're putting in the engine. What does the 4T designation mean?