Yamaha have appealed against Valentino Rossi's penalty for a collision at the Malaysian Grand Prix with the Italian claiming it has "cut me off by the legs" ahead of the MotoGP title decider. Championship leader Rossi denied kicking out at defending champion Marc Marquez and sending him sliding out of the race during a tense fight for a crucial third-place finish at Sepang on Sunday. The championship is not over yet but this sanction cut me off by the legs Valentino Rossi Rossi was demoted to the back of the grid for the final race of the season at Valencia on November 8 with only rival for the title Jorge Lorenzo just seven points behind. The incident has reignited simmering bad blood between Rossi, a nine-time motorcycling champion pursuing his first title since 2009, and his rivals, including Yamaha teammate Lorenzo. Rossi, 36, previously said Marquez had schemed to help his fellow Spaniard Lorenzo win precious points at the Australian Grand Prix. READ MORE: Valentino Rossi holds off Marc Marquez to win Dutch MotoGP Rossi labelled the punishment unfair, saying Marquez is "making me lose the championship. The championship is not over yet but this sanction cut me off by the legs". Spain's Dani Pedrosa cruised to victory in Malaysia while Lorenzo seized second place, followed by Rossi.