Image 1 of 4 from Aprilia’s upcoming V4 engine to deliver up to 220hp

Aprilia’s upcoming V4 engine to deliver up to 220hp
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October 8, 2007 Aprilia tell us their much-anticipated V4 engine is currently undergoing durability testing in four states of tune – from a huge 185 horsepower up to an eye-watering 220 horsepower. Which one will we see in the road-going superbike they’re building?

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