Harley-Davidson isn't the oldest American marque – that distinction goes to Hendee/Indian – but it's the only one that has ...

Harley-Davidson has made a few engines that can keep going forever with the right amount of TLC. Here are 10 of them ...

Harley-Davidson is known for its chrome-heavy cruisers, ape hangers, and extravagant styling. But its latest launch, the 2025 CVO Road Glide RR, is a completely different beast. This is the most ...

It started selling V-twin-powered motorcycles with some success in 1909, and its first big twin engine was made available to the public in 1911. Since then, we’ve seen Harley go through a number ...

Production has been confirmed of the largest and most powerful engine ever created by Harley-Davidson as a street-compliant crate performance motor. According to Harley, this street-tuned 2210 cc ...

But nitro is an oxygen-rich compound that requires less air to burn, so the engine can consume more of it, thereby producing greater power. The 58 nozzles in the intake tract are always open ...