Practice question

Under what engine condition must the valve clearances of a motorcycle engine be measured and adjusted?

  1. When the engine is completely cold (at ambient room temperature)
  2. While the engine is idling at operating temperature
  3. Immediately after a high-speed test ride while the engine is hot
  4. When the spark plug has been removed and the ignition is turned on

Answer: A — When the engine is completely cold (at ambient room temperature)

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