And speaking of, Honda also updated their downwash ducts. They now have a larger opening and a more closed-off design, no longer having a large hole on the side. This style is much more like the Ducati downwash ducts, so it seems Honda are chasing a larger effect from them. We know this is for ground effect, to help pull the bike into the ground on the side of the tyre, giving more feeling, grip and helping them turn.

Source: MotoGP.com – Read Full Article Here