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Tune-Up - 4 CYL: Dashpot

  1. With engine at normal operating temperature, connect tachometer and check idle speed. Adjust if necessary. Rotate throttle lever and check that dashpot rod strikes the stop at 2400-2600 RPM. If not, adjust by turning dashpot.
  2. Accelerate engine to 3000 RPM and measure time from release of throttle until engine reaches idle speed. Deceleration time should be 3-6 seconds. If not, turn dashpot in towards stop to lengthen delay, or away from stop to shorten delay time.
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