Despite declining sales and revenue in 2025, Harley-Davidson has been the dominant American motorcycle maker for most of its long and illustrious history. Harley has produced a succession of engines ...

Harley-Davidson is a name that needs no introduction. Known for its American roots, plentiful customization options, and having a loyal fanbase, the brand has largely maintained a pretty good track ...

Harley-Davidson introduced the Milwaukee-Eight in 2017. It provides great performance, but there are some reasons as to why ...

I'm planning to buy a 2005 Mercedes-Benz C320 CDI from a friend for £3750. It's done 155,000 miles, has a full service history and is in a very good condition. Would you, please, confirm my thinking ...

The Harley-Davidson 103 engine is often described by riders as being faster than earlier Twin Cam versions like the 88 or 96, along with having more features like ABS and an oil cooler. That said, ...

Camshafts are simple devices, but important ones. Modern engines can have one or more intake and exhaust valves, and it's the camshaft's job to open valves precisely as the engine runs, supplying the ...

Over two decades after the first modular motor rolled off the assembly plant at FoMoCo, we're still discovering ways to improve "cammer" engines. Two-thousand eleven was a big year for the Blue ...

Last month's "How It Works" story gave you the basics of the four-stroke cycle, describing the motion of the intake and exhaust valves in relation to the piston moving up and down in the cylinder.

KIA engines are now all chain cam. The problem with current diesels is particulate filters which are not suitable for engines used for repeated short runs from cold. While all manual four-cylinder ...