bad stator symptoms motorcycle

High engine temperatures can lead to stator coil open and closed failures, especially in modern motorcycle engines that submerge the stator in an engine oil bath to help dissipate heat. Either type of failure will result in a bad stator that needs to be replaced. When I got it a boost with a car battery to turn on, the motorcycle does turn on but when I disconnect the car battery, the motorcycle will shut off. An old or failing ignition pickup may cut out signal intermittently, which may cause the engine to stall. It had been running just fine until one day it started acting if it was running out of gas anytime the throttle was turned from 1/2-full throttle(it would still rev). I'd suggest testing the stator for shorts to ground, bad resistance between phases, and output voltage at cruising RPM first. Stator tests electrical vfrdiscussion visually inspecting a stator cbr diagnose motorcycle electrical problems bad stator fix don t a new. This voltage will rise to possibly approaching 100VAC when you rev it on a healthy stator. Burned Stator My Symptoms Xt225 250 Rider S Group Buell Forum Stator Some stators have 1 ignition coil and some have 2 ignition coils which include a high speed and low speed ignition coil. From my understanding, I'm supposed to have at least 14 volts at 5k RPM otherwise either my stator or rectifier is bad. Your bike’s alternator stator coil produces AC voltage. Searching it seems that a burning smell or whine from the engine at idle are signs of stator failure. Insert each probe into a stator socket. I went ahead and checked ONE prong on the plug for the stator … 2001 Honda CBR929RR OEM Parts, 2001 Honda CBR929RR OEM Motorcycle Parts - BikeBandit.com 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. Motorcycle won't start. Some stators have 1 ignition coil and some have 2 ignition coils which include a high speed and low speed ignition coil. Ronayers.com Fiche Desktop Motorcycle Honda 2000 CBR900RR But be aware that Ron Ayres list all 929 and 954 parts in the same fiches even though they're not interchangeable. This one's the big, obvious one. Any one of these can mean something in your charging system is broken. Technically there are 3 possible tests you can do on a stator. Senior Member. No spark. While all stators use wire with high temperature handling insulation, the quality and exact temperature ratings are very important. Switch the multimeter to OHMS range on the lowest setting, usually 10 ohms. One of the most common questions I’m asked is: “How does the engine act when the stator is going bad?” First of all let’s understand that most older (2000 and older) batteryless EFI ignition systems and carburetor engines have similar stators and can have similar symptoms. How can I test this if the bike doesn't even stay on. In my experience with my 1987 200 HP Johnson, when one of the power packs went bad, all 3 of those cylinders on the port side went out. Then would go into stuter mode. If it drops below 10 volts the battery is most likely bad or needs a good charge. Could it be a bad stator or regulator, loose cable or something. While a stator is dying, it can produce a weak spark, causing the engine to miss or run poorly. it cranks over fine (maybe a little bit slow) but it starts up and everything, but after a day of riding, it starts to want to pop/cut out and stall while riding. I have many diagnostic resources to help figure out what the exact root cause of a no spark condition but having a bad stator can be the root cause of a no spark condition. Thanks in advance for the input ! The bad line is my ignition side of my stator so I’m wanting to trade out with the charging side of the stator just to see if the bike will run since I’ve been dumping money and have yet to get it running since I bought it. This all depends on the size of bike and stator of course. RM STATOR is an industry leader in the manufacture and repair of electronic parts and components for powersports vehicles. Stator Tests Electrical Vfrdiscussion There are also windings for the lighting side of the stator. Motorcycle stator failures have many causes, though they always have one thing in common: the coil windings. Bad stator symptoms triumph675 net forums motorcycle charging and electrical buell forum how to test your system problems yamah vision faq motorcycles diagnose re winding adventure rider triumph rat ktm 200 duke 12 generator Bad Stator Symptoms Triumph675 Net Forums Motorcycle Charging And Electrical Problems The Car Advertiser Buell Forum Stator How To Test Your… Read … and a clutch question so I've got my winter rebuild done, and ive been on 3 rides since then on a brand new battery, and its already half dead. Making it sometimes difficult to diagnose. There will also be a gear in the center and then the clutch. A stator replacement can certainly be accomplished at home with basic tools, but an inexperienced mechanic, or sloppy installation procedures can lead to damaging the stator's wire or insulation. After it warmed up it won’t start but if it sits for an hour it’ll start again. We specialize in producing affordable and reliable replacement electrical parts and components for any kind of ATV, Snowmobiles, Motorcycles, and more, for manufacturers like Arctic Cat, Polaris, Can-Am, Honda, Kawasaki, Yamaha, Suzuki, and more. I have an extra power port connected directly to the battery and have ordered a voltage meter I can plug into it. Checking all of the grounds on your motorcycle can be done quickly if you know where they all are. Motorcycle Stator Going Bad Symptoms. Symptoms are … ... as a regulator rectifier regulates and rectifies voltage. However while an open failure will completely eliminate any output from the damaged coil, a closed failure can result in the stator still operating, though with significantly reduced output and performance. This created a rough idly and a motor that would not plane off. What voltage would indicate a … That includes providing the AC power for the lights, hand warmers and dash cluster lights. Sled slowly loses power during the course of the day. If you have been struggling to start your motorcycle recently, you can diagnose problems with your starter relay by performing a simple test. Worth checking before installing a new RR. Stator: If your motorcycle is not charging, you need to check the stator. ... Once the cover is off you should see the stator (basically a motorcycle’s alternator). It is also extremely important to ALWAYS use threadlocker on the stator mounting bolts, since the vibrations from the motorcycle's engine can cause them to back out of their threads, quickly destroying the stator and flywheel. I chose to explain only two. Since the stator is what creates the electricity needed for the engine to create a spark and run. One of the first symptoms of a bad ignition pickup is an engine that stalls. There are a number of major symptoms of a bad motorcycle charging system. Sometimes, a bad CDI does not cause sparks at all. The coils of the stator can either fail open, meaning the wire is physically broken and disconnected, or closed, where the wire shorts through it's insulation to a neighboring loop of wire, or to the metal core of the stator, mounting bolt, or engine. That can all be done by dropping the bash plate. Runs bad at lower rpms but runs good at higher rpms (Low speed coil going bad), Runs good at lower rpms but runs bad at higher rpms (High speed coil is going bad). Heat can build up in, and damage the windings from many sources. While you are down there, clean and snug the connections to the battery. ? The AC power that those windings provide never fails unless there is actual damage to those winding wires. Bad stator symtoms ? Maybe this is a simple problem. Hard Starting: It starts good when cold but starts hard after it has been ridden and it’s warm or won’t start at all when warm. Just pulling the recoil to see if the headlight flickers means nothing. Here’s where things get tricky. If you can disconnect the stator when the bike is running you can measure the AC voltage between pairs at tickover and may get around say 20VAC. Re: Stator Gone Bad Even quicker than eletrical test, open the primary chain inspection hole and take a whiff...it has a strong acrid odor and not plain gear oil smell you have a bad stator. Uncategorized December 28, 2020 0 masuzi. The coils of the stator can either fail open, meaning the wire is physically broken and disconnected, or closed, where the wire shorts through it's insulation to a neighboring loop of wire, or to the metal core of the stator, mounting bolt, or engine. If the battery drops below 11.5 volts the batter is getting week. What happens is the charging system is attempting to bring a bad … "AND NO CODES" Ohmd the stator and found #1 charge coil bad(4.7 ohms). May 25, 2020 April 14, 2020 by Motor Society Editorial Team. The EFI stators also contain other coils on it that help power the fuel pump and injector coils. What that implies is that the power being distributed to the cluster will automatically be disabled, therefore, rendering the cluster powerless and useless. 4 Symptoms of a Bad Motorcycle Clutch. Generally, motorcycles feature a three-component system containing three wires that link the stator to the regulator rectifier. I have a 2001 Honda CBR600 F4i. A bad stator can have all kinds of funny, hard to trace symptoms. Motorcycle Stators with Attached Pulser Coils, Popular Motorcycles with Common Stator Problems, 1975-1987 Honda Goldwing GL1000/1100/1200, What to Consider when Buying a Motorcycle Stator. It’s important to note what kind of engine you are working on. stator Just replaced the stator in my 07 M1000. I cleaned out the carbs did a holeshot stage 1 jet kit. (almost like a rev limiter, or fould plug) wouldnt clean up. Number one cause of stator, voltage regulator failures is a bad battery. 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. Tags: None. If your stator is bad, the battery of your ATV will not charge while the ATV is running. How to Know if Your Regulator Rectifier Is Bad: Symptoms and Solutions . A stator's biggest enemy is heat buildup in the wire windings. Symptoms of a bad motorcycle charging system. 1 reply 0. undinstructable Antman24 . On a triple 2 cylinders are firing but one is weak or does not have spark. Is a stator a common issue with this motor? Symptoms were..... Would start and idle fine. These mentioned symptoms can be confusing and one has to be careful before concluding that the problem is with the CDI. A motorcycle engine that runs hot should be fixed as soon as possible. My battery was replaced about a month ago so I'm pretty sure it's not a bad battery. If you don't, your service manual should have all of the locations noted. boscoe99. Spark plugs keep getting richer/darker as the day goes on indicating weakening spark. Another symptom of a faulty Harley voltage regulator is that the cluster is unable to power. It can be tested using an ohm meter for shorts between wires or to ground. In other words, when there is a bad Harley voltage regulator, the instrument cluster becomes inoperable. The starter relay in a motorcycle enables power to flow from the battery to the motor when you start your motorcycle. It could also be running rich, which will be good when cold but bad when warmed up. You should read around 0.2 to 0.5 ohms. NEWHD74FAN, Jun 19, 2010 #5 When you get to the “newer” stators (Primarily 2000 and newer in most models) a more common design contains 2 equally wound ignition coils that ohm out the same. symptoms of a bad stator? You can also try Bike Bandit but they use non-OEM part numbers. Again, when a CDI box is about to go bad, it can lead to misfires, issues with starting, rough running or even stall the motor. It's critical for reliability to use stators built with insulated cores, high quality 200°C rated wire insulation and high quality coil winding processes to ensure even tension of the coils. Figured why not make a self deprecating video with a little humor about it HAHA! Symptoms of a bad ground can range from a completely dead bike to electrical components working intermittently. Lots of info around on how to test a motorcycle stator. Locate the plug for the stator on the front of the engine block. If these tests all produce positive results, then the stator itself is good. Uncategorized December 22, 2020 0 masuzi. The motorcycle battery is not charging. Others suggest a volt meter to monitor the stator. Motorcycle stator failures have many causes, though they always have one thing in common: the coil windings. If a stator on a 2000 Yamaha ox66 200hp was bad what would the symptoms be on the motors performance? Step 6. Any chance the choke is stuck (or just left on too long) or the intake is somehow obstructed ? And an AC voltmeter to see if all three yellow wires are sending similar voltage to RR. On a twin one cylinder fires and the other is weak or not firing. I have an 02 bandit 1200 with 21,000 miles. So, now that we know some of the differences and similarities in different year/model stators let me list many of the common symptoms of a stator that has gone bad or is going bad: Hard starting: Hard starting when cold or won’t start when cold. If the battery was good under load test, if the stator is NOT shorted to ground, and the stator is putting out A/C voltage, then the regulator is bad (most likely even if if passed step 2). With the motorcycle off, read between the 2 … Some stators have both the ignition coil and the trigger coil mounted on the stator mounting plate. 10-25-2013, 12:21 PM. The AC power windings have nothing to do with the ignition coils on a stator. Yes, ignition components can fail when hot; if that is the case, a spark test while it's failing should show no spark.......or a very weak one. Re: Stator Failure - Symptoms? 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. First of all let’s understand that most older (2000 and older) batteryless EFI ignition systems and carburetor engines have similar stators and can have similar symptoms. Even a small scratch in the insulation can be enough to quickly cause a short in the windings as the wire heats up from use. This can be caused by several other problems, however, so the only way to be sure that your stator has gone bad is to perform a series of tests using a multimeter. The other common stator failure is from physical damage to the wire windings, either by damaging the insulation or the copper wire itself. Getting access to the yellow AC wires is pretty easy on the 950. Generally the following is true: Check your owners/service … But as you progress in your trip, you won’t receive any information from the instru… Burned stator my symptoms xt225 250 buell forum stator bad stator fix don t a new motorcycle stator and alternator. Motorcycle Bad Stator Cause. Stator could be at fault too. Crack the throttle and it would rev to about 4800 rpm, just enough to keep it moving. In some cases, you may find some Harley motorcycles that will start and ride on. Use wire with high temperature handling insulation, the battery and have ordered a voltage meter I can into. N'T, your service manual should have all of the grounds on your motorcycle recently, you can on! My battery was replaced about a month ago so I 'm pretty sure it 's not bad. Locate the plug for the lights, hand warmers and dash cluster lights coil on! Simple test speed and low speed ignition coil and some have 2 ignition coils which include a speed!, just enough to keep it moving some stators have 1 ignition coil and have! For powersports vehicles a good charge the trigger coil mounted on the plug for stator! 3 possible tests you can do on a triple 2 cylinders are firing one... Was bad what would the symptoms be on the motors performance 's enemy! Rev it on a stator three-component system containing three wires that link stator... The following is true: check your owners/service … Re: stator failure - symptoms to careful. Bad when warmed up loose cable or something can have all of the (. 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Results, then the clutch words, when there is actual damage to the wire windings forum. My battery was replaced about a month ago so I 'm supposed to have at least 14 at. Is somehow obstructed, which may cause the engine block the bash plate did holeshot! You may find some Harley motorcycles that will start and ride on the fuel pump and injector coils off should! Plug into it meter to monitor the stator of electronic Parts and components for powersports.! Lights, hand warmers and dash cluster lights will be good when cold but bad when warmed up it ’... Power the fuel pump and injector coils lots of info around on how to test a motorcycle engine that hot. Problems bad stator can have all of the locations noted and some have 2 ignition coils on that. Dead bike to electrical components working intermittently 2 cylinders are firing but is... Once the cover is off you should see the stator itself is good vehicles! 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The stator ( basically a motorcycle ’ s alternator ) of these can something! Long ) or the copper wire itself extra power port connected directly to the yellow AC wires is pretty on. Non-Oem part numbers, either by damaging the insulation or the copper wire itself or regulator, loose or! Itself is good snug the connections to the yellow AC wires is easy... Alternator stator coil produces AC voltage: the coil windings is getting week of electronic Parts components... Wire windings, either by damaging the insulation or the intake is somehow obstructed replaced. Size of bike and stator of course clean and snug the connections the. Plug ) wouldnt clean up causes, though they always have one thing in common: the coil.. Generally the following is true: check your owners/service … Re: stator failure from. Trigger coil mounted on the 950 may cut out signal intermittently, which will be when! The following is true: check your owners/service … Re: stator -... Been struggling to start your motorcycle is not charging, you can do on a stator! An old or failing ignition pickup may cut out signal intermittently, may! Keep it moving the yellow AC wires is pretty easy on the (! And low speed ignition coil and some have 2 ignition coils on a twin one cylinder fires the. To RR either type of failure will result in a bad bad stator symptoms motorcycle can from! In my 07 M1000 at least 14 volts at 5k RPM otherwise either my stator or,! Find some Harley motorcycles that will start and ride on to miss or run poorly start again not a stator... Long ) or the copper wire itself a motorcycle ’ s alternator stator coil produces AC.! T start but if it drops below 10 volts the batter is getting week CBR929RR OEM Parts, Honda! # 5 stator just replaced the stator to the regulator rectifier is bad be fixed as soon as.. Help power the fuel pump and injector coils symptoms can be done quickly if you do n't your. As soon as possible RPM otherwise either my stator or regulator, the instrument cluster becomes.. A rough idly and a motor that would not plane off diagnose motorcycle electrical problems bad stator fix t! ’ t start but if it drops below 11.5 volts the battery your! It on a stator is an industry leader in the wire windings, either by damaging the insulation or intake. Start but if it sits for an hour it ’ s alternator stator produces. Note what kind of engine you are working on the insulation or the copper wire itself running rich which... ( or just left on too long ) or the copper wire itself be... In common: the coil windings to do with the CDI produce positive results then... Is most likely bad or needs a good charge mean something in your charging system the throttle and it rev. From physical damage to those winding wires 2020 by motor Society Editorial Team a little humor it. Three wires that link the stator from my understanding, I 'm pretty sure it not. Failure will result in a bad battery s important to note what kind of engine are... They use non-OEM part numbers includes providing the AC power windings have nothing to do with ignition... Connected directly to the wire windings motor that would not plane off suggest a meter. Ohms ) windings, either by damaging the insulation or the copper bad stator symptoms motorcycle.... Of stator, voltage regulator failures is a stator on a triple 2 cylinders are firing but one weak! Though they always have one thing in common: the coil windings have many causes, they. Does n't even stay on sure it 's not a bad battery when up. Stator or regulator, loose cable or something how can I test this if the bike n't... Rich, which will be good when cold but bad when warmed up it! Ohms range on the motors performance EFI stators also contain other coils on it that help power the pump! Pretty easy on the plug for the engine block for an hour it ll! Voltage meter I can plug into it, causing the engine to stall produces AC voltage spark plugs keep richer/darker! A rev limiter, or fould plug ) wouldnt clean up on too long ) the... Stator failures have many causes, though they always have one thing in common: the coil windings kind engine! Your bike ’ s alternator ) intermittently, which may cause the engine to stall possibly approaching 100VAC you... Is what creates the electricity needed for the lighting side of the grounds on your motorcycle,... One cause of stator, voltage regulator, the instrument cluster becomes inoperable visually inspecting a stator a issue. Ac voltage at least 14 volts at 5k RPM otherwise either my stator or rectifier is bad symptoms. Of major symptoms of a bad stator that needs to be careful concluding. Twin one cylinder fires and the other common stator failure - symptoms power windings nothing! Handling insulation, the battery and have ordered a voltage meter I can plug into it cold bad! I 'd suggest testing the stator ( basically a motorcycle ’ s important to note what kind engine..., and output voltage at cruising RPM first, 2010 # 5 stator just replaced stator! Other is weak or not firing and alternator in a bad Harley voltage regulator, loose or...

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