Practice question

Why must you let the engine warm up before riding a motorcycle hard, even on Guam's warm mornings?

  1. To save fuel
  2. Cold engine oil is thicker and lubricates less effectively; warm oil flows to all parts for proper protection
  3. Warm-up is only for diesel engines
  4. It is required by Guam law

Answer: B — Cold engine oil is thicker and lubricates less effectively; warm oil flows to all parts for proper protection

The correct answer is shown above. Try the full quiz for additional practice.

Practice more: Guam Motorcycle Permit Test Practice Questions - Guam DMV Motorcycle Endorsement Knowledge Test (Class B) Exam →