A woman from Sidney was seriously injured in a motorcycle crash sunday.58-year-old Mary Pelletier and her husband, 61-year-old Billy Pelletier, were on a motorcycle that was hit by a jeep on Route 7 in Corinna around noon sunday.The Pelletiers were taken by Life Flight to Eastern Maine Medical Center in Bangor where Mrs. Pelletier underwent surgery. At last report, she was in serious condition, her husband Billy was in fair condition with several broken bones.Police say the Jeep crossed the center line and struck the bike. The motorcycle flipped over at least three times according to police. Police and Life Flight crews said that wearing helmets saved the Pelletier’s lives.28-year-old Becky Mitchell of Corinna who was in the Jeep suffered minor injuries. She was treated and released.