Yamaha's XSR900 makes a claimed 117 hp and 68.5 lb-ft of torque, which we think is too much for a beginner bike. It's also ...

While the title says the smallest V-twin engine on a production bike, we actually found an assortment of small-capacity V-twins during our research, all with identical capacities.

Here are the largest displacement motorcycle engines you can get your hands on in 2025 for every bike maker that matters.

Most motorcycle put agility and convenance first, but these massive motorcycle engines prove they can produce plenty of power when they need to.

Don't let the low price of the Triumph Speed 400 or its smallish engine displacement steer you away from considering it for your first, or next, motorcycle.