Simoncelli , the 2008 250cc world champion , was nearing the end of his second season in the premier - class .
Simoncelli , the 2008 250cc world champion , had signed to remain a factory - backed Honda Gresini rider for 2012 .
Simoncelli , the 2008 250cc world champion , was nearing the end of his second season in the premier - class , and had signed to remain a factory - backed Honda Gresini rider for 2012 .