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Short "hint"

noting or pertaining to an internal-combustion engine in which a complete cycle in each cylinder requires four strokes, one to draw in air or an air-fuel mixture, one to compress it, one to ignite it and do work, and one to scavenge the cylinder

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Usage examples (36)
  • It features an 89cc four-stroke air-cooled powerplant.
  • The large single-cylinder 686cc four-stroke is potent.
  • Mickelson's four-stroke win at the Buick Invitational ended
  • Still needs at least a four-stroke lead on the 18th Sunday.
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