Harley-Davidson motorcycles are pretty famous for their big, chugging, powerful engine sounds. Here are the most aurally ...

and good torque at the low end of the power band, these engines are popular in dirt bikes and scooters. Modern single-cylinder motorcycle engines generally range in displacement from 49 cc in the ...

The simple construction of a single-cylinder engine (both for two-strokes and four-strokes) makes it a perfect power source ...

If we talk about one of the smallest but most powerful motorcycle engines, think back to the 1966 ... and came with a top ...

[Alex] has been working on a diesel motorcycle project for a few months ... so he replaced the wimpy 200cc motor with a 406cc diesel engine used for industrial purposes and an amr500 supercharger.

Yamaha has apparently filed patents for a new series of motorcycle-size turbodiesel engines in both inline-four and twin-cylinder configurations. Author: Jeremy Korzeniewski ...