A motorcycle stator does a critical function in your motorcycle. This is a result of the high-speed coil in the stator going bad. No charging light on the dash When riding, No power from any electrical components (lights, gauges, accessories) Runs well but the battery goes dead quick when lights are on. Ensure you multimeter read DC volts and it is set within the range of 250. Disconnect the three-pin electrical connector from the CDI 3. Check the connection between stator and rotor; Otherwise, the magnet may have moved. Your battery should be charged, giving you a reading of approximately 12.5-12.9 volts DC (check your particular batterys specifications for exact numbers). Static tests are used to check for breakage in the stators coils. A AC style stator will have the odd ball paper covered pole/s that generate ac ignition power. It should be measured using the depth bar of the caliper (make sure the right angle of the bar and caliper body is flush against the surface): Note: We measure stators in metric units, so these measurements are typically given in metric units (millimeters). Your new stator will help produce the reliable magnetic field to keep the current flowing. Technically there are 3 possible tests you can do on a stator. Clean the epoxy on the windings. Remove the stator and inspect to see if any wires are disconnected, if the thermal system is damaged, or if the coil insulation is distorted. Besides, the other end supplies power to the tail lamps and headlamps. If the reading doesnt change when you flip the switch, it is not working properly. Specializing in vintage Japanese motorcycle parts for Honda, Yamaha, Suzuki, and Kawasaki. Unfortunately, these days, most mechanics are afraid to work around wiring. No Spark, Weak Spark, or Intermittent Spark.
Step 3. Start the motorcycle and rev the motor to 5000rpm. Visual inspection should show any problems there. #1. Step One Disconnect the dirt bike stator from any other components. This step can quickly determine the cause of the burnt stator.
1. This can be found in the main wiring harness connector bundle in front of the Battery and has three Yellow wires going into it. Take a look at the positive diode by inserting the positive lead into the bikes positive diode. These warnings state that you must replace the previous stator. You shouldnt see any readings on the meter yet. How to Test a Motorcycle Description; Reviews; Customer Reviews. Come join the discussion about performance, modifications, troubleshooting, maintenance, and more! These will be Check us out on Facebook or Instagram for the latest news & discount codes!! Are there any other ways to test it? How can I test the stator w/ the bike not running. Moreover, unlock the bar below the hood and use it to pull the hood up. An automotive style alternator is a fully self-contained, externally mounted unit that creates DC current. In general, you can check when motorcycle stators are installed on the bike by using a good-quality multimeter. Pull both of the stators pin-connector plugs from the wiring harness with your hands. How to test a motorcycle stator on a 3 typical 3 phase charging system. Charging System Voltage Test Start motorcycle, measure DC Volts across the battery terminals (you should have a reading of approximately 13.2-15 DC Volts). Measure the continuity/resistance between the wires of the same color coming from the stator unit. Step 2. Set a multimeter to the DC ohm or 1X or setting. These four test techniques should be enough to determine the condition of each stator. The stator is the coil of wire housed inside the engine case. Refer to your shop manual for the exact specs, and replace if necessary. Touch either of the meters probes to the male pin on the first plug. You'll be less stressed on test day . Familiarity with the format of the exam and the phrasing of the questions will give you comfort and confidence before you head It's a great way to find out what you know . You'll save time and money . It'll make you safer on the road. If it shows any reading up to this point, thats a bad rectifier. The following are the most relevant symptoms of failure in the regulator of a motorcycle:The engine of the motorcycle stops running. The motor of the motorcycle does not start or develops a poor start. The battery overheats. Control panel failure. The motorcycles short and long range lights flash or do not come on. Excessive internal temperature of the regulator. Abnormal engine noise (cylinder failure). Switching on the electric fan. More items My theory is that it got so hot it melted the isulation between the wires and shorted the windings. How to Test a Stator. However, no further tests were done to it. If you get a reading, even very small, on any wire, the stator is defective and must be changed. And yes, the low-speed coil can also go bad, resulting in ignition problems when youre riding at low speeds, although the bike seems to run flawlessly at high speeds. Step 3: Set your multimeter to voltage Switch your multimeter to voltage.
My solution - by Neal, July 17, 2012 5 / 5 stars
Unplug your regulator/rectifier's harness connector and check for this wires continuity to ground. A magnet on a shaft spins within the stator, creating alternating current (AC). Do a leak to ground test, with the ignition off. Magtatanong lang po. Unplug the wires that go into the switch and use your multi-meter to test resistance. Turn off all power sources like lights and radio, then turn on the ignition switch. We use cookies to give you the best possible experience on our website. Stators are inside the engine case. Consult the service manual for your motorbike. | 0 Comment. The more accurate stator test to do is a live test, in which you start the motor and then read the AC voltage from phase to phase (Y1,Y2, Y3). Connect the black probe of your meter to the negative terminal on the battery. First we will test for resistance or shorts between the stator legs themselves. Any advice? Follow the electrical harness from the alternator to the location where it connects to the CDl unit 2. At one point it sounded like it might have fired on only one cylinder. Next, connect your negative lead to the stator inputs. The dynamic test is performed with the engine running, whereas the static test is performed without it. How do i check my stator on a bench test - Answered by a verified Motorcycle Mechanic. Start with either disconnecting the plug from the R/R or the 3 pin connector block further down that leads to the Stator. Victory Motorcycle Forum. I called Vortex and he said the stator was going out. Then, connect the negative terminals to the stator coils/inputs. Repairing a damaged or failed motorcycle stator is labor intensive, requiring careful unwinding and cleaning of the original stator core to prepare it for new wire windings.
To cut the reasons for the poor charging I started to suspect I may have a stator issue.
The opposite can also happen with the low-speed coil. If you want them pm me. Check Connections/Wires Inspect the regulator/stator plug, and check the battery terminals for connection/corrosion. Some switches, like my side-stand safety switch, have three terminals. May 30, 2017 Engine Videos, Video. If the voltage continues to drop even while the engine is running, then chances are you have a stator problem. Get free help, tips & support from top experts on motorcycle stator test related issues Get free help, tips & support from top experts on motorcycle stator test related issues. That is why the electrical system in a bike is the least coherent system. Set the multimeter at ohm and with its positive and negative poles check the stator, if it will show OL, that means the circuit is not grounded. Step 2- Check the Stator. Nabaklas na po yung stator. The multimeter should not show any readings. Test 3: Engine on dynamic output test Switch your multi-meter to A/C mode (voltage). Jerk the lever inside your motorcycle to push the hood. The simple and practical way to isolate it as the problem is to swap in a known good one. The stator in a 4-pin voltage regulator has two windings. Start by disconnecting the wires in your bike and switching the multimeter to diode function. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. At the same time, hold your red wire lead to the (+) positive terminal of your battery. Check the connection between stator and rotor; Otherwise, the magnet may have moved.
March 2, 2014. Emulate the OEM wiring. Measure across wires A-B, B-C and A-C and ensure they are all consistent (should be within approximately 5% of each other). FYI: 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. I don't have the peak volt regulator thing for my multimeter, but I don't see -any- voltage coming from the stator when kicked. Motorcycle Stator Short to Ground Test. Check the voltage of the battery between the posts with a multimeter that is primarily tuned to DC voltage. Place one lead on the wire and the other lead to a solid ground. To test a stator, you use a multimeter to either run a static test on the resistance of the wires or a dynamic test on the AC voltage reading from the wires. There should be no continuity between the three wires and the ground wire. Step 4- Re-Wound the Stator. It includes a ac lighting coil output circuit and a ac ignition power coil circuit. Videos. You can check the stator. This is caused by a bad high-speed coil. If you hear a beep sound, it means that the circuit is fine. Set your meter to Ohms/resistance (). How to Check a Voltage Regulator on a Motorcycle . These warnings state that you must replace the previous stator. Again it's a good idea to do an ohms test on your stator using your bikes manual. I replaced it and the same thing.I called Suzuki they said to check coil. Then buy OEM rectifier. Then, Location. Hope this helps. While a stator is dying, it can produce a weak spark, causing the engine to miss or run poorly. I chose to explain only two.
Locate two wires that are next to each other on the ignition switch. Therefore, one winding carries power to the electrical system and for charging the battery. You should read 0 Ohms when the switch is in the ON position and 1 when OFF. Now, switch your multimeter to read AC voltage. Take your time to wind these three separate phases. Turn off your motorcycle. Place your black wire lead from the meter to the (-) negative terminal of the battery (try to touch the actual battery terminal, not the cable attached to it). A static test is run while the engine is switched off, while a dynamic test involves procedures while the engine is on. The most common failure would be the magnet being broken by the rotor impacting something during a crash. The precise range of measurements you should get varies depending on the motorbike brand and model. Connect an ohmmeter between the following wires in the three-pin stator connector and compare the resistance to the specification in Table 1. a. Set the multimeter to diode function. Static tests are used to check for breakage in the stators coils. Set your meter for ohms measurement and test the resistance between A-B, B-C, and A-C. I've never heard of the magnet failing due to heat or anything else. Just wondering how to test the stator to find out if it is the stator or voltage regulator that is bad.. Save Share. If your bike has the same stator as bikes with lights (look up the part numbers, if they are the same, then your stator should have the power.
There is an alternative method to testing the cdi box whilst it is still connected to the stator of the motorbike. How to Test the Stator in an ATV. Sep 26, 2021. Step 2. 5 Ways to Recognize a Bad Motorcycle Stator. My Ride. Put the negative lead on the engines ground and the positive lead on each wires of the stators connector one by one. What causes a stator to fail? If your motorcycle has been running for a few minutes, your battery voltage should read somewhere between 13.7 to 14.5V. I checked it and it was fine. In this test a few steps are included, its about the measurement from coil to coil and phase to ground. To check the continuity, insert both the multimeters probes into the sockets of the stator. This magnetizes the rotor to make the alternator work. The multimeter should read between around .5 to 3 Ohms. Search: Xs650 Stator Test. Next, put the multimeter's positive lead on all three terminals of the gray three-terminal connector individually. Houston. After that, you will know how to do it. The newly prepared core is then carefully rewound, either using a specialized machine, or by hand, with high quality new wire. The misfires and backfires start to happen at higher RPMs. If you have any questions, please contact an experienced driver or motorcycle repair company. Test 1: Battery voltage a with motorcycle off and then on. Simple automotive multimeter measures just the basics. If you are using a charger, the light will indicate the battery is charged (hopefully). Once your battery is charged, youre now ready to start testing your motorcycle charging system! Tuesday, June 1, 2021 - 2 Comments. Regulator Rectifier Test #1: Forward Bias of Positive Circuit Diodes. Take a look at your motorcycles specifics to know the right wire size. Step Two Get your multimeter ready! Once youve located the three-wire stator harness, follow the wires to the connector and disconnect it. Next, remove all bolts and nuts, holding them in place until only one bolt or nut remains connected. The short circuit leads to burnt three separate phase windings. A DC style stator will not have the oddball poles for ignition power. The dynamic test and the static test are the two major ways to determine if your stator is working or not. Using a multimeter, how do we test a scooter's stator if it is dead, defective or in good condition. Connect the multimeter positive cable to the positive diode. If you have a three-phase stator, then you need to perform this test three times by inserting the multimeter probes in phase 1 and phase 2, then phase 2 and phase 3 and then phase 3 and phase 1. Mine also got hard to start. Motorcycle stators / ATV and off-road stators / watercraft stators / snowmobile stators $74.95 - $259.95. If the available measurement is in standard, remember that 1=25.4mm. How to Test a Motorcycle Stator? When testing for continuity on the multimeter, it is important to test via the stator end rather than the cdi end. Surplus, salvage, and vintage motorcycle and bicycle parts in Owen Sound, Ontario. Using the multimeter, test the same battery terminals again. Turn the motorcycle on. Ground Test. You shouldnt get a reading at all. Symptoms are often worsened as the engine warms up. The whole Finnbox enclosure was secured to the bike frame with "Velcro" and also zip-tied securely in place This will allow me to make a bolt (left-handed Whitworth of course) to fit in there and mount to the crankshaft Tough durability, classic look and abundance of cheap parts make the XS650 the perfect platform to build a KILLER Yamaha For example, you may notice that your motorcycle runs fine at lower rpms but when you get to the higher rpms, it starts to run really rough. Low and high-temperature discrepancies. An alternator is a name given to the entire stator/rotor assembly. Besides, you should be able to view the engine and the battery of your vehicle. 2005 Triumph Thruxton 900. How To. To test the stator: Set the multimeter to Ohms. Step 4. Check the condition of the removed stator. Go ahead and set the knob on your multi-meter to VDC (DC voltage). partzilla stator test video. This is just a stationary check. If you stator is good or bad, it is oinly a small part of the equation. The best way to do that is by looking for the wires coming out of the generator cover. This result could be different for various brands of dirt bikes. thanks. A motorcycle stator is a component of the electrical system that, when combined with a rotating magnet, creates AC current. You should get a reading of anywhere between 20 and 60 volts A/C. By doing so, you will be able to reach the windings and take them off. For this test, place the motor in a test water tank, then crank it up and take measurements on the multimeters AC setting. When testing your stator, here are a couple common errors to look out for. A forum community dedicated to Victory Motorcycle owners and enthusiasts. 5. Put the multimeter's negative lead on the positive terminal of the black two-terminal connector. Exciter Coils Testing 1. Done. Smooth out the stators surface to eliminate anything sharp on the surface. I was riding along and the engine was completely warm, perhaps about 10 miles out and it started running like it was running out of juice, electricity. Two of the stator tests are passive resistance or continuity tests. To do the job, you need parts. Prepare the stator for re-wounding. Generally cdi boxes have a blue and white wire than comes from the stator to the cdi box itself. The problem with the harness was eventually traced to heat buildup in the stator's five-pin wiring connector due to electrical resistance between the pins in the connector. Now raise the RPM of the bike to around 5,000rpm and perform the test again, noting the voltage is much higher but the consistency should still be there. That current travels along fairly heavy gauge wire through the case and into the rectifier/regulator which converts it to DC power, and at a consistent output. This is a quick cheat sheet so you know you're testing correctly! If it does, the stator is faulty. 3. I put the stock cdi back on and runs great. The stator styles (AC or DC)refer to the available ignition power.