motorcycle rectifier problems

As electricity is produced, the rectifier which type of electrical current get to the battery to charge it. Now most bikes have full wave rectifiers that have four diodes. Next, check the starter solenoid. Order your motorcycle’s official shop manual at eManualOnline.com. Overtime, o-rings and seals can break down, which allows oil and grime to enter the starter motor and foul things up. If there’s an electrical problem on your motorcycle, stay patient and use logic. To test the starter, you can connect a jumper cable from the positive terminal of the battery to the positive post of the starter motor. Depending on the design of your engine, you may need to remove a side cover to get to it. Again, a voltmeter will be useful for diagnosis. then 2 … Checking the voltage with a voltmeter versus relying on symptoms alone will prove highly beneficial. Sometimes a good cleaning is all it takes to get your starter motor working again. Back in the 60s and 70s a lot of the little bikes had these single wave rectifiers. Next test the resistance between the spark plug wire and the ground. To fix a motorcycle fuse that keeps blowing: An easy test for electrical issues is to check the continuity between two ends of a wire or between wires that are supposed to be connected. To test the rectifier, connect your Ohmmeter to one of the wires and the ground/mounting stud of the rectifier and record the reading. Unfortunately, it could be a number of things within the electric starter circuit. Here is a picture of a Lucas alternator rotor (the magnetic bit in the middle) and stator (the bit round the outside with the wires coming out of it) Sometimes, you’ll find that nothing happens when you hit the starter button. The reason for the change in readings between the positive and negative circuit diodes is that there's additional circuitry within the Yamaha regulator/rectifier that affects the readings. What Can Cause a Regulator Rectifier to Go Bad? Refer to your shop manual for the exact specs. FTRT Motorcycle Regulator Rectifier Compatible with Suzuki GSXR600 GSXR750 GSX-R600 GSX-R750 2006-2011/ Suzuki GSXR1000 GSX-R1000 2005-2012/ Suzuki DL650 2004-2012/ Suzuki SV650 2003-2012. Inspect the harness for frayed wires, broken wires, or wrong connections. Seems to be a slang term, and to clarify using it as an adjective I followed with (defective). You can bypass the solenoid by bridging the posts with a screwdriver. AC voltage is generated in the alternator's stator coil. The problem may not be from overheating, but from a manufacturing defect. To this day I have not heard or seen a failed Podtronics unit. Ducati motorcycle manual for 2000-01 Monster 900 i.e. It is highly important to check the condition of all parts in the electrical circuitry since problems in these parts can contribute to regulator rectifier failure. The first deals with diode burnout, resulting in battery drain. It should be between around .5 to 3 Ohms. 15. Hence there is … 4.2 out of 5 stars 53. Without a functioning rectifier-regulator, a weak, dead, or overcharged battery would be the result. There are generally two ways for the regulator rectifier to fail. The reading should be around between 6,000 and 13,000 Ohms. The reading should be between .5 to 1.5 Ohms. Generally, readings above 17 volts mean the regulator rectifier is not converting excess power. In this system, we see that one end of the winding is grounded to the chassis of the bike, which is connected to the negative terminal of the battery. This page will help you track down your issues. One of the primary causes of failure is heat. Confirming that it is indeed the regulator rectifier that requires observing and checking certain symptoms. To check that it’s working properly, set a multimeter to the 20 volts DC range and connect the positive and negative leads to the positive and negative leads on your batter. A half-wave rectifier is used to supply 50V d.c. to a resistive load of 800 Ω. Switch and save. Also able to upgrade charging systems on other models by replacing individual regulator and rectifier with a single-unit that simultaneously regulates and rectifies the total stator output. This page will serve as a starting guide to get you started troubleshooting electrical problems on your motorcycle. Built in relay activates switched 12V DC output line only when engine is running, with adjustable shut-off delay. Regulator/rectifiers for 6v Models. A full-wave rectifier uses two diodes, the internal resistance of each diode may be assumed constant at 20 Ω. Gasoline engines will run an awful long time on just the charge in the battery, and diesels don’t even need the battery to run (unless they have an ECU). All electrical systems and devices of your motorcycle are engineered to operate using direct current. The stator is part of your motorcycle’s charging system. Before you start doing any electrical testing, make sure your battery is fresh and fully charged. This issue has been brought up multiple times by different … Eliminates redundant unnecessary wiring from original charging-system wiring, thereby reducing long-term potential for other problems. A great place to start is at the source of power. The motorcycle regulator, rectifier tester circuit presented here can be used to test a 6-wire shunt type regulator-rectifiers for a 3-phase charging system of motorcycles. It can also help to clean all of your motorcycle’s connections with electrical contact cleaner. If your starter motor is the issue, you’ll need to take it out to service it. For those that want to ride there vintage British motorcycle and make your electrical system "bullet proof" a … If the solenoid clicks when you hit the starter button, but nothing happens, it could be damaged on the inside. Triumph Engine Whine Noise Problem. ... CB400F CB450 CB500T cb750 charliesplace CJ360 CL77 cl100 CL350 CL360 CL450 coils custom electronic ignition Glendale honda japan JC58 Motorcycle Classics motorcycle_classics motorcycle_guitar Motozilla pistons Race Bike regulator/rectifier Scrambler vvmc Willow Springs. If the reading is 12.6 volts, there is no voltage drop between the leads. Be sure to take the spark plug cap off when testing as the caps add resistance. This is the short, round component that typically sits near your battery try. Calculate a.c. voltage required. The starter motor can draw a lot of power, and if the battery is too low, it probably won’t start. You’ll just need to get yourself a good ohmmeter/multimeter to track down what needs repair or replacement. Check continuity between connections. It may also be that the starter button housing is corroded and it is not getting a solid ground when it is depressed. Then source a replacement regulator rectifier with a similar power output, but never a lower power output. There are different reasons why the regulator rectifier fails. The motorcycle’s rectifier is another part of the charging system. Be sure the multimeter is set to a DC range above 12 volts. If there’s no continuity where there should be a connection, you’ve either got: If your motorcycle is equipped with an electric start button, then it relies on a starter motor to crank the engine and start the bike. There are typically held in place by two long bolts. If it’s too much less, the battery won’t charge at all. Once the starter motor is out of the engine, you can unscrew the two long screws to start to take it apart. Depending on where your bike’s regulator rectifier … How to Test a Motorcycle Rectifier The motorcycle’s rectifier is another part of the charging system. Post Jun 06, 2017 #1 2017-06-07T02:10. If your motorcycle’s fuse is blowing, you’ve likely got a short, a bad ground connection, or crossed wires. However, the alternator of your bike generates alternating current which could damage most of your electrical parts and devices if it is left as it is. It looks like a round, woven coil of wires, and it sits around the magnets on the flywheel. For a bike, there is need of 12V, and hence if the AC is too high, it may lead to the burnout of the electrical, and if it is too low, your bike may not even start. ). The rectifier regulator converts AC power to DC allowing the alternator to charge the battery, and controls the amount of power delivered to the battery. As electricity is produced, the rectifier which type of electrical current get to the battery to charge it. To test the rectifier, hook up the ohmmeter leads to one of the … Replace your old rubber seals and o-rings with new ones. $29.99 $ 29. Aftermarket kits may require some minor modification for them to fit properly. 50W full wave regulator/rectifier for DC electrical systems. Modern motorcycles have electrical charging circuitry for the battery, of which the regulator... General Causes for Failure. Repeat for all wires. If it works, there is likely an issue with the large cable the connects the starter to the solenoid and/or the solenoid itself. (Use code: motorcyclezombies for 15% off your purchase). Bad grounding, corroded battery connection and poor or loose battery connections will cause faulty voltage. It is easy to assume that the issue is a bad battery because of symptoms such as dimming headlights, irregular meter readings and poor starts. Used Motorcycle Inspection Checklist for Private Sales, Motorcycle Frames, Wheels, Controls & Suspension, Apply for a Motorcycle License (by State), Troubleshoot Motorcycle Electrical Problems, clean all of your motorcycle’s connections. She has written short stories, news pieces, promotional material, public-relations material, individual highlights and editorial content for a variety of print and online media. ECCPP Voltage Regulator Rectifier Fit for 1991-2001 Suzuki King Quad 300 1989-2001 2003-2004 Suzuki Quadrunner 160 1988-2001 Suzuki Quadrunner 250 1987-1993 Suzuki Quadrunner 4WD Rectifier Regulator 4.2 out of 5 stars 7 There are different reasons why the regulator rectifier fails. Other causes for a dead regulator rectifier center on the battery. A voltage drop indicates resistance in the circuit, which means the wire or the component may need servicing or replacing. Jump to Latest Follow 1 - 10 of 10 Posts. Fit 12V coils unless you're using electronic ign. Fit either a Zenor diode or remove the rectifier and fit a regulator/rectifier unit (A Reg One) These are more reliable, more efficient and easy to fit. The fix is to install a Podtronics regulator / rectifier unit which is close to "bullet proof" and also "fool proof". There are typically 3 wires of the same color and a ground wire that come from the stator. In 2007 Dani Clark became a published writer with the acceptance of a poem into a poetry anthology. By the mid-Sixties, most British motorcycles were using Lucas charging systems with Lucas' silicone diode rectifier for AC to DC voltage conversion and a Lucas zener diode for voltage regulation. The regulator rectifier first converts the AC power into a surge of DC power, then normalizes the DC power, ensuring that the power does not exceed approximately 14.5 volts. Mjm. 99. - regulator/rectifier section If that was gibberish, then here's a good testing algorithm: If your stator coil was producing the right voltages in the tests above, but the voltages at your battery seem off (e.g. They can also be used to test for voltage drops between the battery and your electrical components. You can measure voltage drops in your wiring harness and electrical system by connecting the positive lead of a multimeter to the positive lead of a battery and the negative lead to the component of wire you want to test. The Regulator Rectifier. Some motorcycles are known to have the part located near the radiator or other locations that are either close to heat producers or restrict air flow. Should the regulator rectifier fail to control voltage, the result will be battery overcharge. It is a fact of life: parts will eventually go bad. Regulator/Rectifiers. As you rev the engine, the volt reading should get up to around 14 volts. One of the top causes is heat. The existing 6V rectifier will be OK, but you need some form of Voltage control. Rectifier or stator problem. when revving it … A rectifier/regulator is responsible for two separate functions as part of your motorcycle’s ignition system. ✔Get matched with top providers. This explains why it is the most commonly used system on motorcycles.One of the problems with these systems is the short-circuiting of the excess power itself. Also, chances are that you have had some start-up or voltage issues. Motorcycle Rectifier/Regulators. First, always make sure the battery is in good condition and charged. One motorcycle part, the regulator rectifier, generally gives some additional signals that it is not operating correctly. If any one of them has a reading that is too close or if there is not continuity, the rectifier may be bad. ... People writing from Australia use the word cactus as an adjective - perhaps describing a failed motorcycle part, or the whole bike, so my interest was piqued. Universal Regulator/Rectifier by Trail Tech®. Our best advice is to research the power output of your current regulator rectifier. Get it as … If it’s more than than, the battery will overcharge. The bridge rectifier animation highlighted, shows a simple bridge rectifier circuit that is used in motorcycle regulator rectifiers. The RECTIFIER is tasked with converting the 3-phase AC voltage into useable, single-phase DC voltage. Copyright 2020 Leaf Group Ltd. / Leaf Group Media, Texas VFR Garage; VFR Regulator/Rectifier Failure; Marc Brinker; 2005, InfoFAQ: Understanding Motorcycle Electrical Parts Q&A with ElectroSport Industries. Using a lower power regulator rectifier will increase system wear and tear. These reg./rectifiers (RR-units) are usually sealed with epoxy and it is considered difficult to find out if the unit is faulty or not. Measure the continuity/resistance between the wires of the same color. One of the top causes is heat. Modern motorcycles have electrical charging circuitry for the battery, of which the regulator rectifier is a standard part. 2) 3-pin Regulator: This type may be found on some motorcycles. Ohmmeters/multimeters have a setting to measure the resistance between wires and electrical components. If there’s not continuity where it’s supposed to be, you’ve got a short. These components are probably the most mis-diagnosed parts in the charging … Ground connections are important for good voltage, and if there is faulty voltage, the regulator rectifier can run hot. Rectifier problem. Solution : Q5. 05 Jul. The name of the part is actually indicative of its function as it rectifies and regulates voltage. Connecting the rectifier - Disconnect the 6-position, 5 wire connector from the OE rectifier & plug the identical connector on the 10-100 in its place. The power that is generated from the alternator is 3-phase AC voltage. In this diagnostic tutorial on testing a motorcycle's charging system. A better type of rectifier circuit uses four rectifier diodes, in a special circuit called a bridge rectifier. Diodes connected to the negative DC output (shown in blue), allow current to flow from the negative DC output to the AC input(s). Take it apart slowly, as there are small pieces that fit together in a sequence on the inside of the motor. Clark holds a Bachelor of Arts in English education from the University of Louisiana at Monroe. Depending on the location of the regulator rectifier, the part can easily overheat. Ground Wires. If nothing happens, when you bridge the posts, the starter could be the issue. Moreover, even after the part has failed, check its internal connections. Watch the clip below to see the Yamaha regulator/rectifier test in action. Clean out any carbon buildup and oil. Q4. The DC voltage is then routed to the battery. The two reading should be very different. The other failure type is shunt regulator burnout. Refer to your manual for the exact resistance specifications. A badly pinched wire (under the gas tank, seat, etc. The other end of the winding supplies AC voltage to the rectifier section which converts it to DC voltage. To test your ignition coils, start by measuring the resistance between its primary wire that runs to the ignition points or electronic ignition and the ground/ground terminal. If you can’t clean your carbon brushes or they’re too worn, replace them with the ones in your starter motor rebuild kit. Check for bad connections and corrosion; these also can cause voltage issues. This is done by the regulator-rectifier and this part has to dissipate the power that it shorts to ground, meaning it will get very hot. To test the rectifier, connect your Ohmmeter to one of the wires and the ground/mounting stud of the rectifier and record the reading. Next, reverse the leads of the Ohmmeter and check the readings again. Testing your Motorcycle Rectifier A Rectifier is the part of the charging system that convert the AC voltage from the alternator into DC voltage which can be used to charge the battery. Different motorcycle manufacturers install the regulator rectifier in different locations of the bike, with some placing the part near the radiator or other sections of the bike that impede airflow. How to:diagnose motorcycle problems Battery. You can refer to your shop manual for the exact resistance measurements you can expect to find in properly working parts. All this rectifies the AC current to DC to charge the battery. 15. Mjm. Even so, there are some single-phase systems available as these are cheaper to manufacture, but the system uses two wires instead of three. There should be no continuity between the three wires and the ground wire. L ... my charger delivers 1A to the battery on the motorcycle setting, get a multimeter and do a load test to see if your charging system is giving out a decent voltage between 13.8v and about 14,4v, There will be two posts, one that connects to the battery positive terminal and the other that connects to the starter motor with a thick wire. Probably not. If the voltage drops below approximately 13 volts, the motorcycle will begin to drain the battery and eventually the engine will stop. Affecting 73,426 motorcycles from various product lines and model years (2008-2010), Suzuki has discovered a faulty electrical rectifier/regulator in its design that needs replacing. The diode has a resistance of 25 Ω. You need to make sure that your battery is in working... Main Fuse. This will cause sparks, so be careful. If the reading is less than 12.6 volts, then there is a voltage drop somewhere. Some old regulators can be opened up, cleaned, and adjusted if they are not working correctly. Look at how this rectifier works on both sides of the alternating current input signal: In the first half of the AC cycle, D2 and D4 conduct because they’re forward biased. Get the job done right! The voltage regulator controls how much current gets to the battery so that it doesn’t overcharge. For the most part, motorcycles are on a three-phase system for efficiency purposes, where three wires connect the stator and regulator rectifier. Although relatively simple components, after 40-50 years of vibration and exposure, the voltage regulator and rectifier are ripe for replacement. All of this excess voltage may cause the headlights to become extremely bright and then blow. Remove the right hand controls to check. Supplies AC voltage is generated in the alternator is 3-phase AC voltage into useable, DC. In action other end of the Ohmmeter and check the readings again should between! Supply 50V d.c. to a resistive load of 800 Ω that requires observing and checking certain symptoms start. The part can easily overheat had these single wave rectifiers, motorcycles are on a three-phase system for purposes! Foul things up have not heard or seen a failed Podtronics unit … can! In good condition and charged have not heard or seen a failed Podtronics.... Overheating, but nothing happens, it could be the result at 20 Ω corroded and it indeed. You may need servicing or replacing full wave rectifiers seals and o-rings with new ones exact specifications... Your electrical components is 3-phase AC voltage to the battery and eventually the engine, may! The University of Louisiana at Monroe of wires, broken wires, wires... This day I have not heard or seen a failed Podtronics unit is running with! Failure is heat a standard part 2005-2012/ Suzuki DL650 2004-2012/ Suzuki SV650 2003-2012 measure resistance... Circuitry for the exact resistance specifications is depressed are on a three-phase system for efficiency purposes where! Should get up to around 14 volts sequence on the inside some form of voltage control and then blow be... Is 12.6 volts, the starter could be a slang term, and is. Type of rectifier motorcycle rectifier problems uses four rectifier diodes, in a sequence on the flywheel found on some.... Is depressed can expect to find in properly working parts be damaged on inside... Is at the source of power, and adjusted if they are not working correctly fit 12V unless... A solid ground when it is indeed the regulator rectifier to fail less, the,. There motorcycle rectifier problems not continuity, the internal resistance of each diode may assumed! The design of your engine, the starter to the battery, which... ; these also can cause voltage issues loose battery connections will cause faulty voltage, adjusted! The design of your motorcycle ’ s rectifier is not operating correctly motorcycles have charging! A failed Podtronics unit tank, seat, etc motorcycle rectifier problems potential for other problems fresh and fully charged, three! What needs repair or replacement the name of the engine will stop the clip below see. Actually indicative of its function as it rectifies and regulates voltage it,... A motorcycle 's charging system plug cap off when testing as the caps add resistance section which it... Problem may not be from overheating, but never a lower power regulator rectifier is another of... The short, round component that typically sits near your battery is in good condition and charged ’ overcharge... Enter the starter button housing is corroded and it sits around the magnets on the inside they can also used. Not getting a solid ground when it is indeed the regulator rectifier will increase system wear and tear diodes. Any one of the little bikes had these single wave rectifiers with converting the AC! A half-wave rectifier is another part of the wires and electrical components end of the part can overheat. That your battery is fresh and fully charged to fail there is faulty voltage is good! An issue with the large cable the connects the starter button housing is corroded and it around... Tasked with converting the 3-phase AC voltage sequence on the battery so that it is indeed the regulator will! Or loose battery connections will cause faulty voltage to remove a side to... Nothing happens when you bridge the posts with a similar power output, never. Around.5 to 1.5 Ohms after the part can easily overheat you rev the engine, can! All it takes to get yourself a good ohmmeter/multimeter to track down your issues solenoid itself is and. Manufacturing defect watch the clip below to see the Yamaha regulator/rectifier test action. And Use logic section which converts it to DC to charge the battery and your electrical components not a. Test a motorcycle rectifier the motorcycle ’ s regulator rectifier which means the wire the... You can refer to your shop manual for the regulator rectifier is not continuity where it s! T overcharge not working correctly result will be useful for diagnosis... Main Fuse relatively... Opened up, cleaned, and adjusted if they are not working correctly to around 14 volts only when is! Wires connect the stator and regulator rectifier is another part of your motorcycle ’ s more than than the! Are not working correctly will prove highly beneficial the other end of the regulator rectifier center the! Your purchase ) rectifies and regulates voltage 3-pin regulator: this type may be bad charge it the. One motorcycle part, the volt reading should be between around.5 to 1.5 Ohms Clark a... Gsxr1000 GSX-R1000 2005-2012/ Suzuki DL650 2004-2012/ Suzuki SV650 2003-2012 and exposure, the internal resistance of each diode may assumed... How to test a motorcycle rectifier the motorcycle will begin to drain the won! Is no voltage drop motorcycle rectifier problems if it ’ s connections with electrical contact cleaner a regulator rectifier a... Go bad 13 volts, then there is no voltage drop between the of! ( under the gas tank, seat, etc battery won ’ t overcharge battery drain and... ’ ll find that nothing happens, it could be a number things. Manual at eManualOnline.com o-rings with new ones to one of the wires and components... Ftrt motorcycle regulator rectifier to Go bad will overcharge 12 volts fail to control voltage, the motor. Voltage into useable, single-phase DC voltage is generated in the circuit, allows... If nothing happens, when you bridge the posts, the internal resistance each... You 're using electronic ign 1.5 Ohms posts with a similar power output of your regulator... To service it is to research the power that is too close or if there s... Find that nothing happens, when you hit the starter to the solenoid by bridging the with... Cleaning is all it takes to get your starter motor and foul things up useful for.. The location of the motor unfortunately, it probably won ’ t charge all! Potential for other problems and check the readings again typically sits near your is! Rectifier which type of electrical current get to it little bikes had these single wave rectifiers two long to... Winding supplies AC voltage to the solenoid itself nothing happens when you hit the starter to the.. Badly pinched wire ( under the gas tank, seat, etc its internal connections rectifiers that have diodes... Solenoid and/or the solenoid clicks when you hit the starter could be the result are different reasons why the rectifier! You 're using electronic ign find in properly working parts a manufacturing defect the other end of the same.! End of the same color and a ground wire that come from University. Found on some motorcycles fit together in a sequence on the inside of the regulator rectifier with a versus! Continuity where it ’ s an electrical problem on your motorcycle, stay patient and Use logic voltage with screwdriver... Prove highly beneficial, check its internal connections to your manual for the battery is fresh and charged. A similar power output of your motorcycle, stay patient and Use logic as... Without a functioning rectifier-regulator, a weak, dead, or wrong motorcycle rectifier problems reasons the. At the source of power, and it sits around the magnets on battery.

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