Many, including us, mourn the loss of GP racing’s last two-stroke class. But, this new KTM Moto3 racer is going an awful long ways to making up for it. Tiny, powerful, intricately engineered and already capable of some pretty impressive lap times, the last question remaining is: what does it sound like? Here’s 36 images and a bunch of trackside videos of it testing at Valencia last week. Even limited to 14,000rpm, these little four-strokes sound amazing.

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