The victim in the second fatal Storrow Drive motorcycle accident in 10 days has been identified as a 35-year-old Brighton man. Jeffery Kassner crashed his motorcycle into a pole on the stretch of road between the Bowker Overpass and the Dartmouth Street footbridge at around 2:50 p.m. Wednesday, State Police said. No other vehicles were believed to have been involved. Kassner was taken to Brigham and Women’s Hospital, where he was later pronounced dead, State Police said. On Sept. 22, a 44-year-old Wakefield man also died of his injuries in a motorcycle crash on Storrow Drive, the Suffolk district attorney’s office said.