Today, Ducati makes the world's most powerful single-cylinder motorcycle. But 70 years ago, a Ducati packed one of the smallest motorcycle engines.

Part of this versatility comes from the 650's single-cylinder engine. This bike's heart is a 644cc SOHC, four-stroke, air-and oil-cooled engine. It's strong, but not too complicated.

There are plenty of choices when it comes to picking a small diesel engine to fit your needs. Bison offers a range of single-cylinder, two- and four-stroke engines with power outputs ranging from ...

Those are according to Ducati "values never achieved before by a road single-cylinder" engine, but they can go even higher, to 84.5 hp at 9,500 rpm, when fitted with a Termignoni exhaust system.

Ducati Just Built the World’s Most Powerful Single-Cylinder Engine The 659cc Superquadro Mono produces a whopping 85 hp and revs up to 10,250 rpm. Peter Holderith Oct 30, 2023 3:58 PM EDT ...

The Briggs & Stratton single cylinder sidevalve engine is one that has been in production in one form or another for over a century, and which remains one of the simplest, most reliable, and ea… ...

The new Superquadro Mono is capable of reaching 10,250 rpm, values never achieved before with a road-going single-cylinder. 70% of the torque is already available at 3,000 rpm, and the value never ...