As its name implies it comes with variable valve timing.
At the time of its launch in 2007, it was the only motorcycle engine to feature variable valve timing.
This was the first production engine to use variable valve timing.
In an industry first for a V8, the engine now has variable valve timing.
It was updated in 1998 as the AJ27 with continuously variable valve timing.
This has encouraged the development of other methods to increase engine power, such as variable valve timing and turbochargers.
Also first engine in production car with variable valve timing.
While such variable valve timing improves the engine's power, it has little effect on fuel consumption.
The major difference from the L91 is the addition of variable valve timing.
The engine uses variable valve timing to increase fuel economy.