Practice question

An evaporative emission (EVAP) system / charcoal canister on a street motorcycle is designed to:

  1. Increase exhaust noise
  2. Capture fuel vapours from the tank and route them to be burned, reducing hydrocarbon emissions
  3. Cool the engine oil
  4. Boost charging output

Answer: B — Capture fuel vapours from the tank and route them to be burned, reducing hydrocarbon emissions

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