World best motorcycles by Barbara Cryton

Harley-Davidson V-Rod Porsche

Under the development name “Revolution Engine”, in 2002 development partner Porsche Engineering developed a new V2 engine for the “V-Rod” model of the American motorcycle manufacturer Harley-Davidson.Against the backdrop of a collaboration stretching back to the 1970s, the Porsche engineers constructed a water-cooled 1,131 cc motor based on a racing engine that delighted Harley-Davidson’s demanding …

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World best motorcycles by Barbara Cryton

Aprilia RS4 125

The Aprilia RS4 125 (sold as the RS125 since 2016) is a 125 cc class sportbike manufactured by Italian motorcycle firm Aprilia. The four-stroke RS4 125 replaces the extremely popular RS125 two-stroke race replica in Aprilia’s lineup. The bike is based on the four-stroke version of the Derbi GPR125.

A race kit is available from the …

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