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How does a motorcycle stator work

Will a motorcycle run with a bad stator?

The stator creates voltage that passes through the rectifier. The rectifier provides power for firing the plugs and also re-charges the battery. If the stator is bad, the current will be provided by the battery until it doesn’t have enough to keep the bike and all the electricals running…..which isn’t very long.

What causes a motorcycle stator to fail?

A stator’s biggest enemy is heat buildup in the wire windings. … A failure of the rectifier function in the voltage regulator (also a part of the motorcycle charging system) can also cause high heat buildup in the windings, by preventing the stator’s power from being consumed by the motorcycle’s electrical system.

How many volts should a motorcycle stator put out?

For example a 32-amp stator should put out 18 volts AC (VAC) per each 1000-RPM. At 2000 it should be 36 VAC (18×2). At 3000 RPM it should be 54 VAC (18 X 3). Each system has a certain voltage it should produce per 1000 RPM.

Can a motorcycle run without a rectifier?

Can I ride my bike without a rectifier? … Without the rectifier and voltage regulator converting the variable voltage AC output of the alternator to a usable 12–14 Volts DC, the battery will not be re-charged or be able to keep up with the demand of the ignition system and any lights or accessories that are switched on.

What will a bad stator do?

The stator coil generates the power for the spark plug and other accessories on small engines Without a stator there would be no spark at all, meaning the engine won’t run. While a stator is dying, it can produce a weak spark, causing the engine to miss or run poorly. Symptoms are often worsened as the engine warms up.

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Can a stator go bad from sitting?

Stators do not go bad from sitting unless the mag housing is full of water.

What causes a stator to go bad?

There are a few things that may cause a stator to fail. Too heavy of a load when operating accessories (winch,heated grips,headlights, etc). If working several of these items at one time (plowing/pulling/possibly stuck at night) you would overload the system. This could cause either the stator or rectifier to fry.

How do I know if my stator is bad?

Insert each probe into a stator socket. You should read around 0.2 to 0.5 ohms. If you show an open circuit with the “Open” or infinity reading or have higher resistance, then the stator is bad and you must replace it. If these tests all produce positive results, then the stator itself is good.

Can a bad stator damage a battery?

As far as the battery, yes a bad stator/regulator can destroy a new battery. If it’s run at a very low voltage without being recharged then it can be destroyed. It actually happens all the time. In most cases if we replace a stator or regulator the battery has to be changed as well as it won’t hold a charge.

Can a bike run without a CDI?

Yes, you can with a mechanical unit. But customizing one will take lots of time and effort. It might be even more costly to custom build one as the CDI on the market shelf is mass produced one hence efficiently produced. That will keep it’s price reasonably low.

What are the symptoms of a bad voltage regulator on a motorcycle?

You’ll note signs right away like poor starts, fluctuating meter readings, and dimmed headlights. around 13 volts, the bike will start to drain the battery. When this happens, it’s only a matter of time before the engine stops completely.

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