Do Harleys Have Alternators

Do Harleys have alternators? This is a question that I hear quite often. The answer is yes, they do have alternators.

However, they are not the same as the ones found in cars or trucks. Instead, Harley-Davidson uses a three-phase system to generate power for the bike’s electrical components.


As with most motorcycles, Harley-Davidsons have alternators. Alternators are used to charge the battery and power the electrical system when the engine is running. Many newer model Harley-Davidsons have a voltage regulator built into the alternator which helps to keep the voltage at a consistent level, preventing damage to the electrical system.

Stator Vs Alternator

The Stator is the stationary part of an electric motor. The Alternator is the rotating part of an electric motor. The stator contains the windings that create the magnetic field, while the alternator contains the armature that rotates within that field.

Do Harleys Have Alternators


What Charges a Battery on a Harley?

When it comes to charging a battery on a Harley, there are a few things that you need to take into consideration. First and foremost, you need to make sure that the battery is compatible with the motorcycle. Secondly, you need to determine how much power the battery can hold, and finally, you need to calculate how long it will take to charge the battery.

All of these factors will come into play when deciding what charges a battery on a Harley. Harley-Davidson batteries are made specifically for their motorcycles and are not interchangeable with other brands. The voltage and amperage output must match that of the motorcycle in order for it to function properly.

Most Harleys use a 12-volt system, however some models may require up to 16 volts. It is important to consult your owner’s manual before attempting to charge your Harley’s battery as too much power can damage sensitive electronic components. The amount of power that a Harley battery can hold is typically measured in amp hours (Ah).

This number tells you how many amps of electricity the battery can provide over the course of an hour before needing to be recharged again. For example, a 6 Ah battery would be ableto provide 6 ampsfor 1 hour or 3 ampsfor 2 hoursbefore needingto be recharged again. When shopping for replacement batteries, always look for one with a higher Ah rating than your original so that you have more power available when needed.

Once you know what kind and size of chargeris required for your Harley’s specific make and model as well as how many amp hours (Ah) your new replacement batterymay be,youcan begin calculatinga rough estimateof how longit will take toyourfullychargeit backup againafter each rideor trip outon the openroadways! If we assume itwilltake approximately8 hoursfora full rechargeon anew 6 Ahbattery usinga standard12 volt10 watt tricklecharger…thismeans itwould onlyrequire4 hoursifyou wereabletousea faster24 volt20 wattchargerinstead!

Is There an Alternator on Motorcycles?

Yes, there is an alternator on motorcycles. Alternators are used to generate electricity to power the engine and other electrical components. They are typically located near the engine and are powered by a belt connected to the crankshaft.


Does Harley Battery Charge While Riding?

Harley Davidson batteries are designed to last the lifetime of the motorcycle and provide reliable starting power in all weather conditions. However, it is still a good idea to keep the battery charged while riding. Many riders choose to install a charging system that will keep the battery topped off while on long rides or when they know they will be using the bike frequently.

Do Harleys Charge at Idle?

No, Harleys do not charge at idle. The battery is only charged when the engine is running and charging system is working properly. When you start the engine, the charging system starts charging the battery.

If the battery voltage gets too low, the engine will shut off.

How Does The Harley Davidson Softail Alternator Work


No, Harleys do not have alternators. Instead, they have a magneto that produces electricity to power the bike’s ignition system and lights. The magneto is powered by a small engine-driven generator.