[dmanteigas]

Excelente artigo

Every time you close the throttle, you feel engine-braking slowing your bike much faster than just coasting would do. The reason is that 15–25 percent of an engine’s gross horsepower goes to overcome friction, mostly of pistons and rings. On a high-powered bike that can be 35–50 hp worth of drag, and when you combine that with hard braking that transfers a lot of weight to the front tire, it can unload the rear tire enough to slide or even begin hopping up and down. When I watched MotoGP video from 2002, there was Valentino Rossi, entering corners looking as though his rear tire was sliding out from using a Mick Doohan-style thumb brake acting only on the rear wheel. But there was no thumb brake. What I was seeing was the drag of engine-braking on Rossi’s V-4 Honda RC211V, making his rear tire slide on corner entry.

Quando isto acontece é simultaneamente das sensações de maior cagaço e de descarga de adrenalina que se sente a andar de mota