This is video of Carlos Checa and Marco Melandri in 2003 preseason testing at Jerez Spain with the then newly developed Yamaha YZR-M1 990cc 4 stroke. This engine configuration would prove to be for all the teams the future replacement of the 500cc 2 strokes that reigned in MotoGP for so many years. Carlos, Checa, Jerez, Marco, Melandri, MotoGP, Motorcycle, Racing, Spain, Yamaha, YZR-M1