Over the past century, the V4 engine found its way into cars that were meant to be light, practical, compact, and fun to ...

Hardcore gearheads are well-versed in engine nomenclature, but for folks whose car knowledge ends with the difference between a manual and automatic transmission, engine designations can seem ...

So, in 1953, it introduced the Appia, powered of course by a V4 engine. Barely. See, the 1.1-liter unit was again an engineering gem, with the cylinder blocks positioned at a hair over 10 degrees.

Since Yamaha announced in the middle of last season that they were developing a V4 engine for its MotoGP project the prototype motor has been the subject of more speculation than almost anything ...

Yamaha’s race riders are set to begin testing on Saturday at the MotoGP Sepang shakedown, but the focus won’t be on the marque’s long-awaited V4 engine. Last year Yamaha announced it would ...

Yamaha's Fabio Quartararo has shared his doubts about the potential V4 engine the Japanese manufacturer is developing, unsure if it will provide the much-needed turnaround in performance in MotoGP ...