Do Motorcycles Have Generators?

2 Answers
AbigailLee
08/28/25 7:01am
Motorcycle magnetos (generators), taking common domestic models as examples, are generally installed inside the left engine cover for cross-type motorcycles and underbone motorcycles, while for scooters, they are usually located behind the fan within the right-side fan cover of the engine. Below is relevant information: Spark plug firing: Permanent magnets rotate within the iron core, inducing an electromotive force (called primary potential) in the primary coil on the iron core. When the breaker contacts close, a current (called primary current) is generated. When the breaker contacts suddenly open, abruptly cutting off the primary current, the secondary coil induces a relatively high electromotive force (called secondary potential), causing the spark plug to fire. Additional information: When the engine operates at high speed, the ignition switch or button should not be used to shut down the engine, because at this time the primary coil is short-circuited, and the magneto cannot stop rotating immediately. The magnetic flux generated by the current in the primary coil will demagnetize the magnetic shaft.
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ORhett
09/10/25 5:17am
As a motorcycle enthusiast who has been riding for many years, I can clearly tell you that motorcycles do have generators. It's like a small power plant on the bike, responsible for charging the battery and maintaining the electrical system. Without it, the battery would quickly drain, lights wouldn't work, ignition would be difficult, and riding would become extremely unsafe. I remember once during a long-distance trip when the generator malfunctioned midway, the battery ran out and the lights dimmed. I had to ride slowly to a repair shop to get it fixed - just thinking about it still gives me chills. Now I regularly check that the electrical connections are clean and secure to avoid dirt clogging that could affect power generation. Overall, the generator makes riding more reliable, especially in bad weather or night riding, ensuring uninterrupted basic safety functions. Regular maintenance may seem minor but is crucial - don't overlook details to avoid major troubles. While enjoying the fun of riding, it's important to ensure proper safeguards are in place.
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