A voltage drop indicates resistance in the circuit, which means the wire or the component may need servicing or replacing. The existing 6V rectifier will be OK, but you need some form of Voltage control. 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. There are different reasons why the regulator rectifier fails. Depending on where your bike’s regulator rectifier … As you rev the engine, the volt reading should get up to around 14 volts. Rectifier or stator problem. Q4. Depending on the design of your engine, you may need to remove a side cover to get to it. 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). Be sure the multimeter is set to a DC range above 12 volts. 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. This page will serve as a starting guide to get you started troubleshooting electrical problems on your motorcycle. Even so, there are some single-phase systems available as these are cheaper to manufacture, but the system uses two wires instead of three. 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. In 2007 Dani Clark became a published writer with the acceptance of a poem into a poetry anthology. Check continuity between connections. Bad grounding, corroded battery connection and poor or loose battery connections will cause faulty voltage. If the voltage drops below approximately 13 volts, the motorcycle will begin to drain the battery and eventually the engine will stop. Regulator/rectifiers for 6v Models. Modern motorcycles have electrical charging circuitry for the battery, of which the regulator rectifier is a standard part. Inspect the harness for frayed wires, broken wires, or wrong connections. Confirming that it is indeed the regulator rectifier that requires observing and checking certain symptoms. If it works, there is likely an issue with the large cable the connects the starter to the solenoid and/or the solenoid itself. 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. A great place to start is at the source of power. Next, reverse the leads of the Ohmmeter and check the readings again. The first deals with diode burnout, resulting in battery drain. First, always make sure the battery is in good condition and charged. Be sure to take the spark plug cap off when testing as the caps add resistance. ... 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. There are typically held in place by two long bolts. One motorcycle part, the regulator rectifier, generally gives some additional signals that it is not operating correctly. The bridge rectifier animation highlighted, shows a simple bridge rectifier circuit that is used in motorcycle regulator rectifiers. Take it apart slowly, as there are small pieces that fit together in a sequence on the inside of the motor. This page will help you track down your issues. One of the top causes is heat. All electrical systems and devices of your motorcycle are engineered to operate using direct current. These components are probably the most mis-diagnosed parts in the charging … If there’s an electrical problem on your motorcycle, stay patient and use logic. If it’s more than than, the battery will overcharge. How to:diagnose motorcycle problems Battery. 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. How to Test a Motorcycle Rectifier The motorcycle’s rectifier is another part of the charging system. 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. 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. Mjm. Eliminates redundant unnecessary wiring from original charging-system wiring, thereby reducing long-term potential for other problems. Next test the resistance between the spark plug wire and the ground. The other end of the winding supplies AC voltage to the rectifier section which converts it to DC voltage. Some old regulators can be opened up, cleaned, and adjusted if they are not working correctly. AC voltage is generated in the alternator's stator coil. Clean out any carbon buildup and oil. Refer to your manual for the exact resistance specifications. Our best advice is to research the power output of your current regulator rectifier. 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. Overtime, o-rings and seals can break down, which allows oil and grime to enter the starter motor and foul things up. 2) 3-pin Regulator: This type may be found on some motorcycles. 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. A full-wave rectifier uses two diodes, the internal resistance of each diode may be assumed constant at 20 Ω. A better type of rectifier circuit uses four rectifier diodes, in a special circuit called a bridge rectifier. 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. 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. The reading should be around between 6,000 and 13,000 Ohms. Watch the clip below to see the Yamaha regulator/rectifier test in action. A badly pinched wire (under the gas tank, seat, etc. Clark holds a Bachelor of Arts in English education from the University of Louisiana at Monroe. The power that is generated from the alternator is 3-phase AC voltage. If your starter motor is the issue, you’ll need to take it out to service it. 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. 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, Replace your old rubber seals and o-rings with new ones. Order your motorcycle’s official shop manual at eManualOnline.com. Now most bikes have full wave rectifiers that have four diodes. 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. The diode has a resistance of 25 Ω. The DC voltage is then routed to the battery. when revving it … 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. Unfortunately, it could be a number of things within the electric starter circuit. The Regulator Rectifier. Get it as … As electricity is produced, the rectifier which type of electrical current get to the battery to charge it. 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. Depending on the location of the regulator rectifier, the part can easily overheat. Aftermarket kits may require some minor modification for them to fit properly. Post Jun 06, 2017 #1 2017-06-07T02:10. 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