Test & Tune: 2021 Aprilia RSV4 E5

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That’s right, Aprilia’s no longer calling it the “RR”, not even the “1100”. They’re deleting R’s while everybody else is adding them, and they know that you know just how many metric tons it’s aspirating. The base model is now just called the RSV4 E5 because finally… yes finally, it’s packing a Euro 5 engine. Such a relief, that.