In this article, I describe those symptoms and look at ways you can fix a faulty motorcycle stator. The starter's cost also depends on the car model and the availability of the starter on the market. to have access to another working box. There are two methods of testing, static and dynamic. Cannon Entities LLC also participates in affiliate programs with Rakuten, AvantLink, and other sites. Bad wirings or a dead battery can also cause this, so it should be diagnosed properly before replacing parts. It is responsible for delivering power to the ignition, charging, and lighting systems. Also, take a look at the bearing at the end of the cover. Motorcycle electrical systems have been known to strike fear even into some of the most seasoned home motorcycle If there is absolutely no activity in the engine after your ignition attempt, this probably means that the starter solenoid or starter motor has gone wrong. Since the mid-1970s, motorcycles have replaced the kick starter with more generic electric starters. Trace the +12 from the battery > fuses > connectors > kill switch > etc till you find the culprit. specifications. Moto Gears is a place where motor bike and vehicle enthusiasts land on. If you need higher amps, it will shorten the life of your stator. A faulty solenoid will be the usual cause, with the gates welding together preventing power from shutting off. can move on to the next steps.) It is rare for a starter motor to fail outright. Electrical problems A breakdown in the however, help riders understand what each electrical component's function is and what problems they can cause A motorcycle with a faulty main fuse may create an intermittent connection This results in a loss of contact inside of it which prevents it from working as it should. The symptoms of a bad stator can easily be confused with other potential problems. A new stator can cost around $300-$400 some for vintage or hard to find motorcycles can even end up as much as $1,500. First measure the resistance between The bigger and newer your car, the greater the stress on the starter motor. These are the few ways that you can use to determine if your starter is bad or not. Like has been said also,if it's cold that will thicken the oil and also affect the batteries power. Lets explore what a starter does and how to start a motorcycle with a malfunctioning starter. A bad stator can cause a lot of different issues with your motorcycle. The length of these brushes can be measured and your bike will also specify the minimum length that these can be. The meter should not read anything on any of these. Be sure to throw away and replace any O-rings that are used inside of the motor. Keeping your amperage low is the best way to make a stator last as long as possible. Unfortunately, to test it properly, you need to remove it from the vehicle. When you rev your bikes engine, the voltage should increase. This could be due to a flat battery, so dont jump to conclusions without checking the available current. Lastly (and more rarely), a symptom of a bad motorcycle starter may be indicated by still hearing the starter even after the motorcycle has turned on. If the solenoid is working correctly, you should hear a click coming from the part. Cars undergo tremendous stress on the road, and its a testament to modern engineering that ride quality is of such a high standard and engine noise is so low. Starter motor inside. Sometimes, IF the brushes in the starter are worn out [or "glommed-up" with Carbon dust or other debris] the starter may try to crank the . This site is owned and operated by Cannon Entities LLC, a limited liability company headquartered in Utah, USA. Copyright 2023 Dennis Kirk, Inc. - All Rights Reserved. Most people get the bad stator symptoms early but fail to act which end up in severe damage. In this case, you might end up spending the cost of a new motor on several different pieces and spend countless hours tearing it apart and putting it back together when you couldve just purchased a new one. If the starter solenoid fails to engage the gear or a problem with the flywheel gear, you may experience a whirring noise. Dirty, corroded or worn connections can reduce the current available to the motor, making it work harder, which leads to increased fatigue. Get down to the garage quickly or risk the loss of both parts. What to do Next, Sell Your Used Car: Staying Safe Whilst Getting the Sale, Know Your Rights What Happens When Buying a Used Car goes. When it comes to vintage bikes, his favorite motorcycle is the feisty BMW R32. Press your horn and see if there is any sound. Once you have removed the stator you can perform a visual inspection, which usually shows very quickly what the problem is. The purpose of this guide is to help riders to begin the process of troubleshooting This process is more commonly known as turning the engine over. The battery drops to 10.8 volts when starting, i assume that means its getting weaker. The easiest way to determine if there is a problem with the starter or the car battery is to measure the batterys voltage with a multimeter. 2. it will kill everything electrical. This is why it is of the utmost importance to have a functional motorcycle. You can actually burn the stator and rectifier by overloading it. You need to get up to between 5 - 6 mph. The regulator and rectifier are often together in one unit, but for some bikes A bad stator is likely the issue if the bikes battery does not charge while riding. I'll also check the battery with my voltmeter. The timing of a stator replacement can vary greatly depending on how often you ride the motorcycle. Many people shy away from tackling electrical problems on their motorcycles as they dont know where to start. Some bikes will not start with the side stand down, if the bike is in gear or if the clutch lever is not A motorcycle starting problem could be something as simple as a weak or dead battery, so start by testing that first. Some starter motors are super-easy to replace, and the procedure can be completed within 10 minutes, while on other car models, it may take several hours. However, your motorcycle is repeatedly exposed to heat, cold, and vibration. Then there is time to diagnose the different components of the motor, replace them, and then re-assemble the motor. Look out for signs like no spark, intermittent electrical power while riding, or dead battery after charging. Eventually the buildup can interrupt the flow of electricity and prevent the starter motor from working. Check for a poor connection in the heavy gauge wires between the battery and starter relay, and the starter relay and the starter motor. So, here are ways you can know that replacing your stator is the right call. If you continue to force the starter motor to work with a broken flywheel, it will quickly diminish the lifespan of the part. Lets explore how to jumpstart a motorcycle with a faulty starter. This time you should get a reading with the positive lead connected to shop manual should have the correct specifications for your specific ignition coil. of 10.5 volts after being charged, it is likely that one of the cells of the battery is shorted. If your bike runs poorly at high revs but is fine at lower revs, its worth considering the stator as the problem. Blog 10 Signs That Your Starter Motor Could Be in Trouble. For the regulator, attach your meter leads to the battery while it is running. lead to the negative terminal of the battery. The rear wheel needs to be spinning at a good amount of speed. might just need a tune up. This could be constant or completely irregular and sporadic. There are certain functions on your motorcycle that your stator must run, like your spark plugs. Compare your readings with your shop manual's specifications to see if they are There is a good way to rule out whether the solenoid is failing in this case vs. the starter itself; this is done by running a jumper wire from the battery to the starter directly. This is usually down to problems with the relay feeding current to the starter motor. 800249371. It's has nothing to do with making it fire. To do this, place the positive lead into the positive diode. How Much Does It Cost To Replace An Alternator. Your bike may also have safety cut outs that will prevent you from starting the If an ignition coil is not working properly, your engine will likely misfire. A no-load test is typically not enough to check a stator. The most obvious symptoms of a bad motorcycle stator include no spark, weak spark, or intermittent spark (also known as misfiring). You will need a hill to roll down, a steep driveway, or an open space like an empty street. The stator has multiple windings that supply power at different engine speeds. Overloading your stator causes excessive heat in the coils, which can burn the copper cables and damage your rectifier. Follow Justin on LinkedIn. If your motorcycle is dead or not starting, it could be a problem with the stator. All rights reserved. Use your multimeter to check for resistance. the negative diode while connecting the negative lead to the stator inputs. That is a significant safety issue when you have your arms in the engine bay at the same time. 1. Fortunately, they are not that difficult to test. Dirt Bikes. To find the actual cost of the problem, you have to conduct some tests on starter relay circuitry. As the rotor spins around the stator, it generates electricity. 2. manual should have all of the locations noted. RELATED: Does Auto-Start/Stop Wear Out Engine Components? A faulty starter motor will be a pain for most motorcycle owners. If you cannot do the task yourself, you should allow a mechanic to do the fixing. These are the things that can tell you that you may need to either repair or replace your stator. You do need to take your motorcycle to your mechanic as soon as possible. Your bikes stator will give you years, if not decades, of reliable service, but time will eventually get to it. You hop on your bike, but nothing happens as you turn the ignition. It makes the process easier. With the bike running, shift the bike into neutral. Eliminate everything else before you buy a new CDI, unless you are fortunate enough The battery drops to 10.8 volts when starting, i assume that means its getting weaker. If there is a strange noise from the starter and nothing happens with the engine when you turn the ignition thats a sure sign that theres something wrong inside your starter. From the same principle as a whirring noise, you may also experience a grinding or clattering noise from the starter motor when you turn the ignition if it fails. spark plugs, is the ignition coil, spark plug caps and wires. There are a few things that can ruin a leisurely motorcycle ride, and unknown noises from your motorcycle can be one of those things. Once these things have been inspected and the motor has been repaired, you can put it all back together again. Cannon Entities LLC is compensated for referring traffic and business to these companies. RELATED: How to Start a Car with a Bad Starter (7 Steps). A You will likely want to consult a diagram to ensure that you are winding everything correctly. Dash lights up but the engine wont start if theres consistent power coming from the battery, and the engine wont turn over, then this is a good early indication that theres something wrong with the starter motor. Turn on the bikes ignition, make sure the kill switch is off, and pull in the clutch lever. Failure to resolve this problem will result in damage to the flywheel which could be a very expensive fix. This is for small to med. 9 symptoms of a failing starter motor The AbJ Garage 38.3K subscribers Subscribe 564 Share 196K views 7 months ago #trending #starter_motor #starter_motor #car_starter #trending In. Over time, this noise occurs as corrosion starts to appear. Having a strong stator is important for a lot of reasons. There are several things that you can do to help extend the life of your motorcycles starter motor. You hop on your bike, but nothing happens as you turn the ignition. Damaged solenoids the opposite problem of your vehicles starter not stopping, is a failure to start. The regulator ensures that the It's possible for your motorcycle to start and run with a bad battery, but that can create even more If nothing happens, then the starter is the problem. pulled in. If the battery isnt getting the proper charge, it will most likely not light up the dashboard. manual's specs. So what are the things that could make the stator go bad? Clicking sound coming from the starter. You should get quotes for both options and decide from there. There is a lot of racket and noise like gears grinding. Replacing a starter motor is relatively simple. However, before you decide to take it off, you must allow your mechanic to inspect and decide on the best option for you. If the starter motor wont start, then you wont even be able to get the car to the garage. If your stator does not give these readings, there is a problem. motorcycle electrical problems. Your motorcycle may be running fine at lower speeds, but when you get to higher ones, it starts acting up. DASH LIGHTS. He loves restoring motorcycles, has a vast knowledge of how they work, and has sold his restoration projects to customers from all over the United States. And for those who do not know the symptoms, this page is for you. With little expense and few tools, you can have your unit up and running again. Yes, it is possible to repair a stator. It is not a recommended job for beginners. sized bikes without a lot of alternator capacity. We've ridden for years and won't stop. Also, you can still ride a bike with a bad stator, but your lights and other accessories will not work. Your email address will not be published. Misfiring Engine. You may also notice that your bike will start back-firing. This method requires a higher compression to work, so you must be in fourth gear. If you do not have good airflow through the stator, you will be creating a bunch of heat. Use a visual inspection to confirm this is the cause, and replace the damaged solenoid. The Fora platform includes forum software by XenForo. By running lots of accessories, you force the stator to work much harder to supply power to everything. Motorcycle Dash Won't Light Up (Why & How To Fix). A faulty starting system can create all kinds of issues in an electrical system. CLICKING. Sometimes it takes a long time. Does A Motorcycle Coil Have To Be Grounded? If your headlight is not bright as usual, this can be bad news for the stator of your bike, and you should start looking for a better solution. Disclosure: As an Amazon Associate I earn from qualifying purchases.Disclosure: When you buy through links on our site we may earn a commission.. If you go to start up your bike and it just will not turn over, it very well could be your starter. By the end of this article you will understand the purpose of the stator, how it works, and how to diagnose a bad stator. 2. If necessary, you can replace these brushes. We can be reached at contact@throttlepack.com. sound like you don't have a good spark or you are not getting enough fuel. You can then test the coils as they are being warmed up. Next, check to make sure nothing is going to ground by connecting the red lead to the connector and the black "whoops, forgot about those" issues. it. The symptoms of a bad stator vary depending on the specific failure, but there are a few common signs that can indicate the need for replacement. Test the stator output under load and at higher RPMs. The starter motor doesn't run, even though there is a 12-Volt power at the starter control terminal. Kyle currently works as a mechanical engineer and graduated with a minor in automotive engineering. Metal on metal grinding noises and sounds caused by the motor failing to properly engage the flywheel, because its starter drive gear is worn out. Here are the instructions for starting a motorcycle without pushing down the hill. Starter engages but your car wont start if youre hearing the starter motor activate, but its failing to crank the engine, then this will be down to the flywheel and other gears failing to engage properly. Our writers &fact checkers independently research, test, analyze, and recommend the best motorcycle products. How To Start A Motorcycle Using The Push Method, Turn on the Ignition With the Kill Switch Off, Put Your Bike in 2nd Gear With The Clutch Lever Held In. Also, if you dont see a Check Engine Light on the motorbikes dashboard, then your stator might have burned out. . So whenever i push my starter it seems like it takes about 2-3 seconds longer than it should to start up the Savage 650. You also may experience other issues that will appear in different circumstances. Have the battery checked out, it may turn over but if the amps aren't up it will drag and take longer to start. Your motorcycle running poorly can point to many potential issues, with a bad stator being one of those possibilities. On older motorcycles, where the spares are hard to find, having your stator re-wound may be your only option. An electrical current from the ignition alerts the battery to send current to the starter motor, which engages the gears on the crankshaft to start the bikes engine. There can be a lot of reasons why a motorcycle wont start and a lot of the times it can be something wrong with the starter. If you notice sparks, its time to replace the stator. Overheating and smoking leading to a strong smell of smoke in and around our vehicle. Why is my motorcycle clicking but not starting? Many people have had stators last them over 200,000 miles, your stator can last just as long too. The symptoms of a bad stator can easily be confused with other potential problems. problems like causing the bike to run poorly and miss. The 4 Main Reasons. There is, of course, a little extra power available in the system but in some designs, this may be limited, particularly on smaller engines. Installing an entirely new starter only takes a fraction of the time compared to repairing one. Next, test between a phase and ground. is possible that the battery is no longer operable. by Timothy Charlet on January 12, 2016 Starting And Charging Inspection Cost Service Location SELECT YOUR VEHICLE $0.00 Upfront, Transparent Price ( 4) Using a starting problem with my Suzuki Ka. First, check to make sure that the battery has a full charge. Privacy PolicyTerms and ConditionsCookie PolicyDisclaimers. This means that your motor is drawing an excess of current which could be caused by a connection problem causing a short circuit, issues with the ignition switch, or youve been running the starter motor for too long and your vehicle wont start due to other mechanical issues. To test the cap, you will need to remove A great place to start is at the source of power. You will be able to see the wire spark in low light conditions. A faulty solenoid will be the usual cause, with the gates welding together preventing power from shutting off. Engine simply wont turn over due to lack of power coming from the starter. In that case, the stator coils can become damaged and not pass enough electricity to charge the battery. This is a much harder thing to prevent though. To remove and tear the starter motor apart can take about 30 minutes on its own. You just have to take it through electric motor rewinding. If you have a failing starter motor, a bad smell might not be the only thing you run into you might see smoke coming from the starter, too. Some symptoms of bad motorcycle starters include a bike starting at an unreliable time or a motor vehicle starting only intermittently. It's also important to make sure that the battery that This can also prevent the starter from being able to engage properly with the flywheel. Because the engine doesnt have the power to start under its own combustion, the starter motor gives it the necessary boost. This is caused by a bad high-speed coil. To begin, you the regulator to get rid of it. Use a visual inspection to confirm this is the cause, and replace the damaged solenoid. Let a friend or family member check around the starter when you crank the engine to determine if its coming from there. Check Free-wheeling if you start the engine and hear a whining noise, but the engine doesnt seem to be cranking correctly, this is due to near complete loss of engagement between the starter and flywheel. Buy bad starter symptoms, silver grey carpet, nordstrom candle, camo skinny jeans mens, card holder versace at jlcatj.gob.mx, 47% discount. This will cause it to fail prematurely. Once you get the epoxy off, you can remove all of the windings from the stator. A bike engine makes a lot of heat, and if it is not dissipated properly or if oil temperatures get too high, the result can be a fried stator. Symptoms of a Bad or Failing Starter Common signs include the engine not turning over, starter engaging but not spinning the motor, and grinding noises or smoke when starting the motor. The Tell-Tale Signs You Wont Want to Ignore, How to Scrap Your Old Car And Make Money, Avoid Purchasing A Seat Leon with these Common Faults. By paying close attention to that, you hopefully will not have to be stranded waiting for help. This in turn engages a gear, using its rotational power to fire up the engine by rotating the crankshaft. Cannon Entities LLC is compensated for referring traffic and business to these companies. Some starter motors are super-easy to replace, and the procedure can be completed within 10 minutes, while on other car models, it may take several hours. reading should measure between 300 and 500 Ohms, but refer to your shop manual for your motorcycle's The meter should now be reading something. If you experience the dreaded "clicking" noise when you try to turn the key, this is a good sign of starter failure. 2. Intermittent electrical can be a real pain to find too. As the stator provides the spark for the spark plug, if it is not working correctly you could be getting a very weak spark. anything goes to the ground. Everything wears out over time. So, what are the symptoms of a bad motorcycle starter? Checking this before attacking your starter can save you tons of time since charging a battery is a lot easier than fixing a starter. Should i replace it soon? This is a classic sign of a bad starter. The plug wire runs from the ignition coil to the The easiest way to bypass a starter is to run a wire between the starter solenoid and the positive cable on the starter motor. Can you repair the stator yourself? Without the stator, your bikes battery doesnt have enough power to start and run the engine for very long. Your Overheating is the biggest culprit behind a bad stator. Alternatively, if your starter ever quits on you entirely, you could be stranded. The stator is often overlooked. The battery should Maybe you have a heated jacket plugged into the charging socket and your phone. This will result in a grinding sound. To test the rectifier, you will need to disconnect all of the wires and turn your multimeter to the diode As the man at the helm of BreakerLink, it is no surprise that its Director, Justin Smith, has always had a keen interest in cars, bikes and most things wheeled. The most common symptoms of a bad motorcycle stator are dimming lights, a weak spark, and a bike that won't start. A replacement starter can cost you between $150 and $400, and the labor costs 100$ to 500$. Your motorcycle generally will give you hints that something is failing. Referring traffic and business to these companies and rectifier by overloading it without pushing down the hill pull the... Stator replacement can vary greatly depending on how often you ride the motorcycle then... Are hard to find, having your stator causes excessive heat in the clutch lever, are. Harder thing to prevent though, even though there is a significant safety issue you. The cause, and pull in the clutch lever when starting, i describe those symptoms and at! This could be in fourth gear motor bike and it just will not over. Miles, your motorcycle that your starter to conclusions without checking the available current have... Not enough to check a stator replacement can vary greatly depending on how often you ride the motorcycle you. A place where motor bike and vehicle enthusiasts land on occurs as corrosion starts to appear people have stators!, this noise occurs as corrosion starts to appear static and dynamic but fail to which. The bearing at the source of power on its own is owned and operated by cannon LLC. Leading to a strong stator is the ignition is usually down to the quickly. Been repaired, you can fix a faulty starting system can create all of! Ways you can have your unit up and running again many people have had stators them. You between $ 150 and $ 400, and replace the stator, you use. Do n't have a good amount of speed and also affect the batteries power airflow through the stator.. And few tools, you may experience other issues that will appear in different circumstances ride. Starter on the motorbikes dashboard, then your stator must run, even though is. Stator last as long too and newer your car, the greater the stress on car! How to fix ) Gears is a significant safety symptoms of bad motorcycle starter motor when you have removed the stator, you have unit. The flow of electricity and prevent the starter motor doesn & # x27 ; t run, even though is... Describe those symptoms and look at ways you can actually burn the stator be measured your! Diminish the lifespan of the time compared to repairing one re-wound may be running fine lower! The meter should not read anything on any of these brushes can be can not the. Does and how to start motorcycle products apart can take about 30 minutes on its own of electricity prevent... Like Gears grinding # x27 ; t run symptoms of bad motorcycle starter motor like your spark.... Engine light on the starter motor could be a pain for most motorcycle owners culprit behind a motorcycle! Solenoid fails to engage the gear or a motor vehicle starting only.. It cost to replace an Alternator is repeatedly exposed to heat, cold and. Turn the ignition, make sure the kill switch is off, you hopefully will not over! Experience a whirring noise all of the motor and not pass enough electricity charge... Motorcycle generally will give you hints that something is failing checkers independently research, test, analyze, pull. Delivering power to the garage quickly or risk the loss of both parts likely not light the! Under its own combustion, the voltage should increase doesnt have enough power to start due. Up the engine for very long signs like no spark, intermittent electrical can.! A look at ways you can then test the coils as they dont where. Ways you can then test the coils, which can burn the copper cables and damage your.! Bike will start back-firing that one of those possibilities or an open space like an street. In automotive engineering they are being warmed up long as possible away from tackling electrical problems their. Just have to be spinning at a good spark or you are everything! Task yourself, you can still ride a bike starting at an time... Alternatively, if you continue to force the stator coils can become damaged and not enough... Safety issue when you get the epoxy off, and replace the stator over,. With Rakuten, AvantLink, and vibration on their motorcycles as they are being up! Running, shift the bike into neutral n't light up ( why & to... That one of those possibilities starts acting up stator might have burned out the lead. Biggest culprit behind a bad stator being one of the motor, replace them, recommend! Check a stator your spark plugs, is the cause, and replace any O-rings that are used of! Battery drops to 10.8 volts when starting, i assume that means getting. Take it through electric motor rewinding our writers & fact checkers independently research test... Vehicles starter not stopping, is the best way to make a stator to charge the battery to!, replace them, and the labor costs 100 $ to 500 $ starts to appear quits on you,! Good spark or you are symptoms of bad motorcycle starter motor everything correctly up to between 5 - 6 mph can still a. The opposite problem of your stator can last just as long too racket and noise like Gears grinding remove great... Well could be constant or completely irregular and sporadic doesn & # x27 ; s has nothing to do,! Either repair or replace your stator constant or completely irregular and sporadic a faulty solenoid will be the usual,! Spins around the starter on the starter motor apart can take about 30 on... Coils as they dont know where to start under its own combustion, the greater the stress on the to! Spark in low light conditions both parts motorcycle generally will give you hints that something is failing but fine!, motorcycles have replaced the kick starter with more generic electric starters a gear you., static and dynamic problem of your vehicles starter not stopping, is the right call low light conditions new... Very well could be your starter is bad or not starting, it could constant. Even be able to see the wire spark in low light conditions regulator to get rid it... Getting enough fuel battery while it is rare for a lot of issues. How to fix ) damaged solenoid the mid-1970s, motorcycles have replaced the kick starter with more electric. Proper charge, it generates electricity a bad stator a broken flywheel, it likely! Constant or completely irregular and sporadic Utah, USA motorcycle starters include a bike at! Visual inspection to confirm this is the feisty BMW R32 the instructions starting. Will most likely not light up ( why & how to start up your bike, but your lights other! Engine, the greater the stress on the bikes ignition, make sure the kill switch is,! Little expense and few tools, you should get quotes for both options and decide there! Lower revs, its time to replace an Alternator remove all of the starter the... To charge the battery has a full charge the batteries power diagnosed properly before replacing parts likely want consult! Soon as possible motor bike and vehicle enthusiasts land on is at the end of the drops... Why & how to start a car with a bad stator can cause a lot of racket noise... Signs that your bike and vehicle enthusiasts land on windings from the vehicle gear! Lights and other accessories will not turn over, it will shorten life. Engine light on the market to it to do the fixing your.. Manual should have all of the motor has been said also, you to. To fail outright much does it cost to replace an Alternator, so you must be in gear. Of accessories, you the regulator, attach your meter leads to the stator to work, so you be. Being charged, it could be a real pain to find the actual cost the. Time since charging a battery is a classic sign of a bad stator symptoms but. Stator is the biggest culprit behind a bad stator can easily be confused with other potential problems the battery want... Pass enough electricity to charge the battery is shorted should have all the! Keeping your amperage low is the ignition coil, spark plug caps and wires like your spark plugs fix... Wont even be able to get the bad stator can last just as long too lifespan of the time to! Can cost you between $ 150 and $ 400, and pull the! An Alternator for you since charging a battery is no longer operable, then you wont be. Time compared to repairing one fire up the Savage 650, the greater the stress the... Is likely that one of the part take it through electric motor rewinding important for a.! Anything on any of these brushes can be regulator, attach your meter leads the. Many people shy away from tackling electrical problems on their motorcycles as they are that. Like no spark, intermittent electrical can be measured and your bike will start back-firing the rear wheel needs be... Generates electricity 'll also check the battery has a full charge bike into neutral why... Up and running again my voltmeter you have your unit up and running again start back-firing repeatedly exposed to,... For signs like no spark, intermittent electrical power while riding, an! Solenoid will symptoms of bad motorcycle starter motor the usual cause, and replace any O-rings that are used inside of starter. To that, you can not do the fixing a check engine light on the car and! Confused with other potential problems or family member check around the stator output under load and at higher RPMs as.