Police say 21-year-old James Korakis, of 9th Avenue in Whitestone, was riding a BMW motorcycle northbound on the Cross Island Parkway service road near 157th Street just after 7 p.m. when he collided with a Mine Cooper driven by a 28-year-old man who was also traveling northbound on the service road. The impact of the crash sent the motorcycle into two parked and unoccupied vehicles, a Toyota Rav4 and a Chevy Impala, police said.