Assertion: moped's engine | /r/AtLocation | the swingarm
Facets:
Source sentences:
text: Some believe that the definition includes the engine being on the swingarm, as with the Vespa, but this argument is invalidated by the Cushmans and the early Lambrettas, which did not have any rear suspension, and by the Heinkel Tourist, with a frame-mounted engine and final drive through a chain enclosed in the swingarm.