We’ve just heard that Piaggio Group, parent company to Aprilia, is working on a mechanical variable valve timing (VVT) system – and the first to reap the benefits of the tech will be none other than ...

VTEC is an acronym for a variable valve-timing system used on Honda and Acura models since 1989. The full name is variable valve timing and lift electronic control, and the first U.S. model with VTEC ...

The bike that won the title of “world’s fastest production motorcycle” at the turn of the century could soon sport a bit of tech that will support hi-rev performance at lower emissions… but at what ...

COVID-19 has been unkind to even the healthiest of businesses, but to already-troubled companies like the storied Harley-Davidson, the pandemic came as an unwelcome wildcard. With its dated lineup and ...

Honda did not invent variable valve timing or variable valve lift. In fact, Cadillac had a driver-operated variable valve timing system in production in 1903, three years before Soichiro Honda was ...

Variable-Valve Actuation (VVA) provides improvements in engine efficiency, emissions, and performance by changing the valve lift and timing as a function of engine operating conditions. Two-Step VVA ...

Decades ago (OK, half a century or more), there was a product advertised in many of the performance magazines called the Varicam. The idea was a set of springs attached to a centrifugal device that ...