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