over-rev corner-to-corner

English to Hebrew Tech/Engineering Automotive / Cars & Trucks Small-engine motorcycle - Technical Marketing text

Here is the whole text:
"The 18YM CRF250R DOHC engine is a clean sheet design and has been built with the focus on top-end power for acceleration and drive, plus improved over-rev corner-to-corner. The simple facts: it makes 9% more peak power with a spread that delivers that power over a 2,000rpm higher range, and also features a 900rpm increase to the ‘redline’ figure.

I (think) I understand the meaning... partly: "Corner-to-corner" might mean "Diagonal". "Over-rev"... means to run the engine into higher RPM... should be higher than permitted, so why brag about that?



Thanks!