Try as I might, I simply cannot think of another engine that comes close to having powered as many custom motorcycles as the mighty Harley Davidson Evo. A good-looking American, with a broad purpose and a thumping roar, but there is a good reason why two of the best bikes we featured in 2023 were powered by another bent twin. Packing a bigger punch than the US motor, the Ducati S2R is powered by... Source

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