Yes, motorcycles generally have keys similar to cars. The key is used to start the motorcycle's engine and usually operates the ignition system, which allows the rider to control the bike's electrical systems and start the engine. Motorcycle keys are typically inserted into a designated key slot or ignition switch, just like in cars.
The key also serves as a security feature, preventing unauthorized individuals from starting or operating the motorcycle. Additionally, some motorcycles may have additional keys for other features such as locking the handlebars, opening storage compartments, or disabling the engine through an immobilizer system.
It's worth noting that there may be variations in key systems depending on the motorcycle make, model, and year of manufacture. Some modern motorcycles may even use keyless ignition systems, where a key fob or proximity sensor is used to start the bike without physically inserting a key.