Triumph helped popularize the three-cylinder motorcycle engine, but the smallest one was equipped on three very distinctive Japanese bikes.

So, understandably, a list of the ten biggest V-twin motorcycle engines available in 2025 is full of cruisers and tourers, and here they are.

While Harley-Davidson is famed for its powerful V-Twin engines, it's certainly not the only motorcycle manufacturer that places them in bikes.

The 1909 Renault Gray Model 5-D was the first Harley-Davidson motorcycle to feature a V-twin engine. Harley-Davidson The V-twin did not truly begin its takeover of the two-wheeled world until around ...