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1978-79 RX7 (Man. Trans.)

  1. Remove air cleaner. Checking all vacuum sensing tubes for proper condition and connections. Check that dashpot rod does not bind throttle lever movement. Start engine and connect tachometer.
  2. Quickly operate throttle lever fully and make sure dashpot rod extends quickly. Release throttle lever and make sure that throttle lever returns slowly to idle position after it has touched dashpot rod.
  3. Disconnect vacuum sensing tube from dashpot diaphragm and operate throttle lever until it is away from dashpot rod. Close vacuum inlet to dashpot diaphragm with finger.
  4. Release throttle lever and check engine speed at which dashpot rod stops moving after it has been pushed in by throttle lever. It should be 1650-1850 RPM. If not, loosen lock nut and turn dashpot diaphragm to adjust.
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