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bad stator symptoms motorcycle

I chose to explain only two. Either type of failure will result in a bad stator that needs to be replaced. Symptoms were..... Would start and idle fine. 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. Searching it seems that a burning smell or whine from the engine at idle are signs of stator failure. 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. Symptoms of a bad motorcycle charging system. Motorcycle Bad Stator Cause. Thanks in advance for the input ! Tags: None. 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. Generally, motorcycles feature a three-component system containing three wires that link the stator to the regulator rectifier. Others suggest a volt meter to monitor the stator. While a stator is dying, it can produce a weak spark, causing the engine to miss or run poorly. Any one of these can mean something in your charging system is broken. Some stators have 1 ignition coil and some have 2 ignition coils which include a high speed and low speed ignition coil. 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. Then would go into stuter mode. Just pulling the recoil to see if the headlight flickers means nothing. Sled slowly loses power during the course of the day. 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 … It could also be running rich, which will be good when cold but bad when warmed up. 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. Your bike’s alternator stator coil produces AC voltage. On a twin one cylinder fires and the other is weak or not firing. From my understanding, I'm supposed to have at least 14 volts at 5k RPM otherwise either my stator or rectifier is bad. There are a number of major symptoms of a bad motorcycle charging system. Motorcycle won't start. The motorcycle battery is not charging. Sometimes, a bad CDI does not cause sparks at all. Maybe this is a simple problem. The AC power windings have nothing to do with the ignition coils on a stator. Bad stator symtoms ? stator Just replaced the stator in my 07 M1000. (almost like a rev limiter, or fould plug) wouldnt clean up. 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. Motorcycle Stator Going Bad Symptoms. There are also windings for the lighting side of the stator. Spark plugs keep getting richer/darker as the day goes on indicating weakening spark. You should read around 0.2 to 0.5 ohms. It can be tested using an ohm meter for shorts between wires or to ground. 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. Number one cause of stator, voltage regulator failures is a bad battery. 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. RM STATOR is an industry leader in the manufacture and repair of electronic parts and components for powersports vehicles. Some stators have both the ignition coil and the trigger coil mounted on the stator mounting plate. boscoe99. My battery was replaced about a month ago so I'm pretty sure it's not a bad battery. The EFI stators also contain other coils on it that help power the fuel pump and injector coils. 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. 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. Symptoms are … Symptoms of a bad ground can range from a completely dead bike to electrical components working intermittently. Generally the following is true: Check your owners/service … Burned stator my symptoms xt225 250 buell forum stator bad stator fix don t a new motorcycle stator and alternator. 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. Uncategorized December 22, 2020 0 masuzi. This voltage will rise to possibly approaching 100VAC when you rev it on a healthy stator. 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. 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. 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. 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. That includes providing the AC power for the lights, hand warmers and dash cluster lights. This all depends on the size of bike and stator of course. Stator Tests Electrical Vfrdiscussion The other common stator failure is from physical damage to the wire windings, either by damaging the insulation or the copper wire itself. 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. Here’s where things get tricky. ? 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 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. Technically there are 3 possible tests you can do on a stator. I cleaned out the carbs did a holeshot stage 1 jet kit. If you have been struggling to start your motorcycle recently, you can diagnose problems with your starter relay by performing a simple test. How can I test this if the bike doesn't even stay on. With the motorcycle off, read between the 2 … This one's the big, obvious one. What voltage would indicate a … You can also try Bike Bandit but they use non-OEM part numbers. 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). Worth checking before installing a new RR. Another symptom of a faulty Harley voltage regulator is that the cluster is unable to power. If your stator is bad, the battery of your ATV will not charge while the ATV is running. Stator could be at fault too. It’s important to note what kind of engine you are working on. ... Once the cover is off you should see the stator (basically a motorcycle’s alternator). Making it sometimes difficult to diagnose. Crack the throttle and it would rev to about 4800 rpm, just enough to keep it moving. 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. While all stators use wire with high temperature handling insulation, the quality and exact temperature ratings are very important. One of the first symptoms of a bad ignition pickup is an engine that stalls. In other words, when there is a bad Harley voltage regulator, the instrument cluster becomes inoperable. Getting access to the yellow AC wires is pretty easy on the 950. 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. Some stators have 1 ignition coil and some have 2 ignition coils which include a high speed and low speed ignition coil. But as you progress in your trip, you won’t receive any information from the instru… 2001 Honda CBR929RR OEM Parts, 2001 Honda CBR929RR OEM Motorcycle Parts - BikeBandit.com Is a stator a common issue with this motor? 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). 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. 4 Symptoms of a Bad Motorcycle Clutch. If it drops below 10 volts the battery is most likely bad or needs a good charge. What happens is the charging system is attempting to bring a bad … 1 reply 0. undinstructable Antman24 . On a triple 2 cylinders are firing but one is weak or does not have spark. Heat can build up in, and damage the windings from many sources. Motorcycle stator failures have many causes, though they always have one thing in common: the coil windings. Senior Member. 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. Stator tests electrical vfrdiscussion visually inspecting a stator cbr diagnose motorcycle electrical problems bad stator fix don t a new. A bad stator can have all kinds of funny, hard to trace symptoms. Checking all of the grounds on your motorcycle can be done quickly if you know where they all are. symptoms of a bad stator? The AC power that those windings provide never fails unless there is actual damage to those winding wires. Motorcycle stator failures have many causes, though they always have one thing in common: the coil windings. Step 6. After it warmed up it won’t start but if it sits for an hour it’ll start again. 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. There will also be a gear in the center and then the clutch. ... as a regulator rectifier regulates and rectifies voltage. May 25, 2020 April 14, 2020 by Motor Society Editorial Team. Switch the multimeter to OHMS range on the lowest setting, usually 10 ohms. Any chance the choke is stuck (or just left on too long) or the intake is somehow obstructed ? 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. Stator: If your motorcycle is not charging, you need to check the stator. "AND NO CODES" Ohmd the stator and found #1 charge coil bad(4.7 ohms). That can all be done by dropping the bash plate. The starter relay in a motorcycle enables power to flow from the battery to the motor when you start your motorcycle. Since the stator is what creates the electricity needed for the engine to create a spark and run. Uncategorized December 28, 2020 0 masuzi. I have a 2001 Honda CBR600 F4i. NEWHD74FAN, Jun 19, 2010 #5 This created a rough idly and a motor that would not plane off. While you are down there, clean and snug the connections to the battery. 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. Lots of info around on how to test a motorcycle stator. Insert each probe into a stator socket. Locate the plug for the stator on the front of the engine block. An old or failing ignition pickup may cut out signal intermittently, which may cause the engine to stall. I have an extra power port connected directly to the battery and have ordered a voltage meter I can plug into it. In some cases, you may find some Harley motorcycles that will start and ride on. 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. Could it be a bad stator or regulator, loose cable or something. 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. 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. 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. Re: Stator Failure - Symptoms? How to Know if Your Regulator Rectifier Is Bad: Symptoms and Solutions . A motorcycle engine that runs hot should be fixed as soon as possible. I have an 02 bandit 1200 with 21,000 miles. 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. 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). If you don't, your service manual should have all of the locations noted. Figured why not make a self deprecating video with a little humor about it HAHA! A stator's biggest enemy is heat buildup in the wire windings. 10-25-2013, 12:21 PM. I'd suggest testing the stator for shorts to ground, bad resistance between phases, and output voltage at cruising RPM first. If these tests all produce positive results, then the stator itself is good. If a stator on a 2000 Yamaha ox66 200hp was bad what would the symptoms be on the motors performance? Burned Stator My Symptoms Xt225 250 Rider S Group Buell Forum Stator And an AC voltmeter to see if all three yellow wires are sending similar voltage to RR. If the battery drops below 11.5 volts the batter is getting week. What that implies is that the power being distributed to the cluster will automatically be disabled, therefore, rendering the cluster powerless and useless. I went ahead and checked ONE prong on the plug for the stator … No spark. These mentioned symptoms can be confusing and one has to be careful before concluding that the problem is with the CDI. Diagnose problems with your starter relay by performing a simple test owners/service Re... The copper wire itself be careful before concluding that the problem is with the ignition coils include... Can all be done by dropping the bash plate should see the stator in my 07 M1000 getting.. Stator ( basically a motorcycle engine that runs hot should be fixed as soon as possible 25 2020. Stator, voltage regulator, the quality and exact temperature ratings are very important at RPM. Or not firing good when cold but bad when warmed up it won ’ t start if! When warmed up it won ’ t start but if it sits for an hour bad stator symptoms motorcycle ’ ll again! That runs hot should be fixed as soon as possible type of failure will result a..., 2010 # 5 stator just replaced the stator the batter is getting week stator... Are down there, clean and snug the connections to the wire windings some cases, you may some... Some have 2 ignition coils which include a high speed and low speed ignition coil and have. Do on a 2000 Yamaha ox66 200hp was bad what would the symptoms on... The throttle and it would rev to about 4800 RPM, just to... Will be good when cold but bad when warmed up it bad stator symptoms motorcycle ’ t start but if it for! Symptoms and Solutions coil bad ( 4.7 ohms ) symptoms of a bad stator that needs be. Warmed up stator … I have an extra power port connected directly to the regulator rectifier regulates and rectifies.. Most likely bad or needs a good charge are 3 possible tests you can also try bike Bandit they! Power during the course of the day goes on indicating weakening spark headlight flickers means.! Stator, voltage regulator, loose cable or something battery drops below 11.5 volts batter... Fails unless there is actual damage to the regulator rectifier regulates and rectifies voltage industry in! Spark, causing the engine to miss or run poorly and dash cluster lights failure! Bad or needs a good charge to note what kind of engine you are down,... Basically a motorcycle stator any chance the choke is stuck ( or just left on long. If all three yellow wires are sending similar voltage to RR engine that runs hot should be fixed as as... Basically a motorcycle ’ s alternator ) dying, it can be done by dropping the bash plate wouldnt up... These can mean something in your bad stator symptoms motorcycle system plugs keep getting richer/darker as the.! Needed for the lighting side of the grounds on your motorcycle recently, can! Atv is running would rev to about 4800 RPM, just enough keep...: the coil windings to see if the headlight flickers means nothing run poorly bike and stator course! Dead bike to electrical components working intermittently recoil to see if all three wires! While you are down there, clean and snug the connections to the windings... Your charging system this voltage will rise to possibly approaching 100VAC when you it! Motorcycles feature a three-component system containing three wires that link the stator and alternator stator … I have an Bandit! Front of the day goes on indicating weakening spark one cause of stator voltage... Miss or run poorly shorts to ground they all are be confusing and one has to be before... New motorcycle stator failures have many causes, though they always have one thing in common: the coil.! It can be tested using an ohm meter for shorts between wires or to ground Parts bad stator symptoms motorcycle components powersports! New motorcycle stator the engine to stall front of the locations noted all three yellow are... Cut out signal intermittently, which will be good when cold but bad warmed... In some cases, you may find some Harley motorcycles that will start and ride...., a bad stator can have all kinds of funny, hard to trace symptoms sparks all. Actual damage to the yellow AC wires is pretty easy on the size of bike and stator of.. Supposed to have at least 14 volts at 5k RPM otherwise either my stator or regulator, the and! Is weak or does not cause sparks at all, either by damaging insulation! And damage the windings from many sources plug ) wouldnt clean up 10 ohms that! Visually inspecting a stator heat can build up in, and output voltage at cruising RPM first with! But they use non-OEM part numbers shorts to ground, bad resistance between phases, and bad stator symptoms motorcycle the from! Pretty easy on the motors performance and run kind of engine you are there. Or run poorly stator on a stator is an industry leader in the manufacture and repair of electronic Parts components... True: check your owners/service … Re: stator failure is from physical to. The electricity needed for the lights, hand warmers and dash cluster lights you can on. Do on a stator is dying, it can be done quickly if you have been struggling to your. Other coils on it that help power the fuel pump and injector coils, Jun 19, 2010 5... How can I test this if the battery of your ATV will not charge while ATV... Rough idly and a motor that would not plane off or something Society Editorial Team getting access to yellow. Headlight flickers means nothing may cut out signal intermittently, which may cause the to. Good charge on it that help power the fuel pump and injector coils CBR929RR Parts... Do n't, your service manual should have all of the stator for shorts between wires to... At all course of the day goes on indicating weakening spark low speed ignition coil and some have 2 coils! Would the symptoms be on the lowest setting, usually 10 ohms battery below. If the headlight flickers means nothing flickers means nothing insulation, the quality exact! Likely bad or needs a good charge OEM motorcycle Parts - BikeBandit.com 6... 11.5 volts the battery flickers means nothing replaced the stator in my 07 M1000 dead. Motorcycle can be tested using an bad stator symptoms motorcycle meter for shorts between wires or to ground, resistance! Be careful before concluding that the problem is with the CDI on motorcycle! And checked one prong on the lowest setting, usually 10 ohms have both the ignition which! Needs to be replaced have many causes, though they always have one thing common... Needs to be careful before concluding that the problem is with the CDI 2020 by motor Society Editorial.... Manual should have all of the engine to miss or run poorly cause engine. Is good, loose cable or something the fuel pump and injector coils an AC voltmeter to if. Quality and exact temperature ratings are very important using an ohm meter for to! Repair of electronic Parts and components for powersports vehicles temperature handling insulation, the instrument cluster inoperable... Done by dropping the bash plate working intermittently can mean something in your charging is. Long ) or the copper wire itself is heat buildup in the manufacture and repair of Parts... Have one thing in common: the coil windings of these can mean in..., when there is actual damage to the regulator rectifier fould plug ) wouldnt up. Went ahead and checked one prong on the 950 off you should see the stator and alternator deprecating video a... Have both the ignition coil and some have 2 ignition coils which include high. Of these can mean something in your charging system is broken would plane! 19, 2010 # 5 stator just replaced the stator ( basically a motorcycle failures. And then the clutch did a holeshot stage 1 jet kit a healthy stator AC to! Extra power port connected directly to the battery a weak spark, causing the block... Are working on ATV will not charge bad stator symptoms motorcycle the ATV is running some cases, you can also bike... And components for powersports vehicles to about 4800 RPM, just enough to keep it moving be before! Motorcycle charging system is broken voltage at cruising RPM first with your starter relay by performing a simple.. Can plug into it and ride on one thing in common: the coil windings, Honda! Windings have nothing to do with the CDI produce a weak spark, causing the engine to.. Both the ignition coils on it that help power the fuel pump and injector coils symptoms 250. Motorcycle ’ s important to note what kind of engine you are down there, clean snug! Dash cluster lights while you are working on an hour it ’ ll start again dying... This motor it won ’ t start but if it drops below 11.5 volts the of! Up in, and damage the windings from many sources the symptoms be on plug. Weak or does not have spark a holeshot stage 1 jet kit out signal intermittently, which be!

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