Practice question

A technician is using a dial indicator to check the runout of a motorcycle crankshaft. What is being measured?

  1. The deviation of the crankshaft axis from a perfectly straight line when rotated
  2. The clearance between the connecting rod and the crankpin
  3. The total axial endplay of the crankshaft in the crankcase halves
  4. The balance factor of the crankshaft counterweights

Answer: A — The deviation of the crankshaft axis from a perfectly straight line when rotated

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