Which three controls are found on the left handlebar of a motorcycle?

The left handlebar of a motorcycle typically includes controls that are essential for operating the bike safely and effectively. The inclusion of the high beam switch, turn signal switch, and horn as the correct answer reflects the standard configuration found on many motorcycles.

The high beam switch allows the rider to control the motorcycle's headlight settings for visibility, which is crucial for safe riding at night or in low-visibility conditions. The turn signal switch is vital for signaling turns and lane changes to other road users, enhancing safety by making the rider's intentions clear. The horn is a critical safety feature that enables the rider to alert others to their presence or warn of potential hazards.

Other configurations might include controls like the throttle or clutch, often found on the right handlebar, or various combinations of lights and signals, but the specific combination mentioned in the correct answer represents a widely accepted setup. Understanding this arrangement can significantly improve a rider's familiarity with their motorcycle, promoting better control and safety on the road.