Practice question

What is the primary symptom of a failing regulator-rectifier unit on a motorcycle?

The battery either goes dead due to undercharging or boils over due to overcharging
The spark plug fires at the wrong time, causing engine backfire
The electric starter motor turns over too quickly when cranking
The turn signals remain on constantly without flashing

Answer: A — The battery either goes dead due to undercharging or boils over due to overcharging

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