This classic middleweight Kawasaki packed liter-class features, including segment-first ones, that were pretty rare during its time.

The Mopar 440 powered late '60s Dodge and Plymouth cars, with both standard and iconic high-performance versions putting their stamp on the muscle car era.

The Better Half VW conversion produces approximately 30 horsepower at 3400 rpm with standard 92mm cylinders, though builders can increase power to 37 horsepower or more by using larger bore cylinders.

Carburetors with vacuum lines are still found on classic vehicles and small-displacement engines — but what is the vacuum actually used for? Let's take a look.

Sonny Leonard's Godfather big block engine broke through supposed barriers on its way to 1,005 cubic inches and 2,150 ...

Coleman mini bikes aren't meant for use on public roads but they are a fun way to cruise private property or off-road areas.

It looks like GM is working on modernising two-stroke engines by tackling their emissions problem. This could open a whole new chapter for internal combustion. It’s been a while since two-stroke ...

GM has filed a patent application for a two-stroke engine valve system. The patent application is tagged with patent number US 2025/0354528 A1 and was filed with the United States Patent and Trademark ...

What if the engine of the future wasn’t just a dream, but a reality? Imagine a power source that combines the raw, exhilarating performance of a two-stroke engine with innovative efficiency, ...

Everllence has unveiled its new, dual-fuel ME-LGIA (-Liquid Gas Injection Ammonia) engine. Using the Diesel principle and the well-known, dual-fuel liquid gas injection concept, the ME-LGIA engine has ...

Those of us who rode and experienced two-stroke motorcycles between the '70s and early '00s hold a common memory, usually accompanied by an expletive. It is of the moment a two-stroke motorcycle hit ...

Shane Lowry received a two-stroke penalty during the second round of the Open Championship. Officials noted that his ball moved during his second shot on the 12th hole, and the consequences could be ...