The accident happened on Sukhumvit Road in front of Soi Sukhumvit 105.
Anucha Ketsiri, 18, a 12th grader at the Wat That Thong School, was killed in the accident. His head and helmet were apparently crushed apparently by a wheel.
Police said there were no witnesses to the accident. Police are checking footage from security cameras nearby in an attempt to identify the vehicle that hit the boy’s motorcycle.