The first production car engine with variable valve timing (VVT) came from Alfa Romeo in 1980. It was installed in the fuel-injected Alfa Romeo Spider. Before this, a few experimental systems existed, ...
Variable Valve Timing isn’t a new concept in motorcycle engines. The likes of BMW and Yamaha have been using this setup in their motorcycles for a while now. Even Suzuki itself implemented it on the ...
Harley-Davidson has filed a patent application for a variable valve timing (VVT) V-twin engine, possibly for the Sportster to improve economy and reduce emissions. The iconic American manufacturer has ...
Indian Motorcycle is not only building a new engine, but also seems to be updating its current Thunderstroke 111 with variable valve timing or VVT. Last month, images surfaced of a heavily disguised ...
About two months after it said it would release new CVO versions for the Street Glide and Road Glide motorcycles, Harley-Davidson did just that. The wealth of details about what's new on the two rides ...