The following values are from the service manual: RPM Volts dc 1000 12 2000 12.4 3000 13.2 4000 14.5 5000 14.5 6000 14.5 7000 14.5 8000 14.5 If you rev your motor and the battery voltage does not increase then your charging system is not charging. Voltage Checks. hey guys, I've been wondering how I can upgrade the charging system on my 75 cb550. Cycle X Honda CB/CL 450 Charging System (Kick only) We have noticed for years that Honda CB/CL 450 models have charging system problems. We have a bike in the shop that has all the new rewound stator and regulator upgrades and it still has problems. In this diagnostic tutorial on testing a motorcycle's charging system. Das Human Design System HDS zeigt die Talente und die Einmaligkeiten jedes Menschen auf interessante und neuartige Weise PART 2 of 3: Theory & Testing of Honda CB750 / 900 / DOHC Motorcycle Charging Systems by Randy's Cycle Service & Restoration in Central Virginia USA. Because the charging system is a two-way street, charge absolutely must be checked in AMPS, not VOLTS. Read more. Testing the charging system of the Honda presents some difficulties, but this project is still within the abilities of a well-equipped weekend mechanic. Specializing in website content and design for the automobile enthusiast, he also has many years of experience in the auto repair industry. I'm also building a new wiring harness. The rotor being the weak link on the DOHC charging system. Anyway, we have adapted our 3 phase charging system to the Honda 450's. Now I do have some background info on the bike for what its worth. January 22, 2013 | 0 Comment. There are 2 brushes in the alternator, each one has a field terminal, one is labeled "FLD", the other is labeled "GND". I'm planning on getting solid state regulator and rectifiers. « Last Edit: March 06, 2017, 03:51:14 am by PeWe » Since the regulator-rectifier cannot be tested, the only way to identify it as bad is to eliminate every other possibility first, so checking the stator is a necessary step in determining if you have a bad regulator. The battery in your Honda is constantly supplying power to the vital systems of the car, even when the engine isn't running. On a digital … RECTIFIER PURPOSE and FUNCTION. Problem solved. It may be old school, but it works. Toppt es den beliebten Vorgänger A70? For this Honda VT1100's case, it happens to be the regulator rectifier at fault. He began his writing career developing and teaching automotive technical training programs. MOPAR CHARGING SYSTEM PRE-1970 Diagram #1 shows the basics of the early alternator / voltage regulator design. Step 1. Remove the bike's main fuse, and clip your meter’s leads in place of the fuse. Watch owner Rick Shaw explain how to test your stator in our informational video. The Charge Monitor allows easy determination of the operational state of the charging system with a quick glance at the indicator LED's. The people that make or rebuild them have fits with them as well. If no voltage is present at the charging lug, replace the charge fuse located in the under-hood fuse block. Der Test! Set the controls on your digital volt/ohm meter to the “Volt D/C” position. I had a 1978 CB750, and I let the batter die a couple of times. Testing the charging system of the Honda presents some difficulties, but this project is still within the abilities of a well-equipped weekend mechanic. If forward, reverse the connections. does the cb650 or 750 stator or rotor fit on the 550? We have had numerous people that started messing with the charging system for days only to find out that their battery was junk, so check it, even if it is "supposed to be good". Samsungs Galaxy A71 ist ein spannendes Mittelklasse-Handy 2020 – und schon jetzt preislich günstiger. Touch the red test lead of the meter to the positive battery terminal and the black test lead of the meter to the negative battery terminal. The battery in the Honda is located on the passenger's side rear of the engine compartment or on the driver's side front of the engine compartment. As a guest you can view the forum and photo galleries, but you have to register before you can post or view … CB750 charging test.pdf (169.27 kB - downloaded 84 times.) In this diagnostic tutorial on testing a motorcycle's charging system. A Voltmeter will show you the health of the electrical system. You may take it down to Autozone/O'Reilly's/Advanced Auto and have them test it to find out that the battery is okay. Charge the battery on the proper charger for the type of battery and check the voltage before starting the bike or replace the battery with a known good one. Set up your multimeter for its highest current scale, usually 10 amps. The charging system does not have enough output to charge a low, weak or discharged battery. Charging System. I will help you identify possible outcomes of the different results you may see when it comes to a specific charging system component. Locate the battery and pull back the protective rubber terminal covers. If the alternator is functioning properly, the voltage displayed on the meter will be around 13.5 volts. In this video I show how to diagnose and repair a motorcycles charging system! Dirt and Off Road Stators . Copyright 2020 Leaf Group Ltd. / Leaf Group Media. The rotor can even test as good over and over and still be bad, bad, bad. There isn't a charging system in the world that will charge a battery that is no longer viable, so test the battery before you waste any more time on fiddling with the charging system. Don't overlook repeat rotor failures and it's common. You could try a brand new battery (I recall it being $50 or so). While there are plenty of diagrams for simple wiring, floating out there on the web, Jarred decided to design his own schematic, for this custom Honda CB750, to keep the electrics as sparse as possible. If you rev your motor and the value goes above 14.5 Vdc then it is overcharging. I have repeated starting problems with my '78 750, and it is either leaking current, poor charging system, or shot battery (although I am able to charge it to 12.6+ V). This can work in a car with a large alternator, but the system in these bikes can not handle that kind of load. CB750 ch8- charging system.pdf (1582.01 kB - downloaded 104 times.) Read more. If the voltage is low, charge the battery before further testing. The voltage displayed on the meter should be above 12.5 volts. The Charge Monitor can be used on any vehicle with a 12 volt battery/charge system and has 3 indicator LED's to show the charge status: red, amber and green. The alternator in your Honda provides the electrical power to your vehicle after the engine starts. When you turn the ignition key to the "Start" position, electrical power is supplied to the starter, and the engine turns over. Check polarity by turning the keyswitch on. Products > Solutions for Power Continuity > Charge&Testing . If an analog meter’s needle swings backward, that's good. And they can fail in multiple ways too. Touch the red test lead to the charging lug and the black test lead to the engine block. I put the battery on a trickle charger prior to taking it out. Be sure to pick up my free troubleshooting cheatsheet here:http://www.themotorcyclemd.com/You can also find out more info about the exclusive Inner Circle membership here:https://cody-preston-richards.mykajabi.com/mcmd-inner-circle-memberDon't forget to show your support with some exclusive MotorcycleMD apparel - http://motorcyclemd.com/shop/ Need a multi-meter?Here is the one I use and trust every time I pick it up!https://amzn.to/2EmD9Ku Start the engine, and touch the red and black test leads to the battery. CB750.com is dedicated to the Honda CB750 SOHC and DOHC motorcycles and to their owners who love to ride, restore, and customize them. This winter I had stored the battery inside and last year until I put it up seemed like there was no trouble with charging system, the battery always held a charge, the bike always started. In this video we replace the alternator rotor and brushes, and also replace the regulator rectifier to make sure our charging system is the best it can be! Test for battery voltage at the alternator on the charging lug located on the back of the alternator. Those requiring just a system for recharging and maintaining lead batteries charged which does not provide a complex power supply recharging system with back-up modulus, will find the CB series a reliable, state-of-the-art solution. If the voltage displayed is the same or less than battery voltage, replace the alternator. We have expanded our line of aftermarket dirt and off road stators including for Honda stators, Yamaha stators, Suzuki stators and stators for KTM applications. The charging lug will have a large gauge wire, covered by a rubber boot, bolted to it that supplies power to the rest of the vehicle when the engine is running. Lee Sallings is a freelance writer from Fort Worth, Texas. 05-01-2013, 10:57 PM #12 CB750 … Each time required a new battery even after charging it completely. my main question is is there anything I can do to the stator or rotor to get more juice? Set the controls on your digital volt/ohm meter to the “Volt D/C” position. If the fuse blows immediately, check the ignition switch for melted contacts. When the bike is off, before starting, the voltage should read over 12; when riding at 3k RPM+, the voltage should read 13V+, which indicates the charging system is working. No more drained battery! Trouble Shooting for Field Excited Charging Systems . The GND brush is grounded with the brush mounting screw. Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. This is just one way this motorcycle's charging system component called the regulator rectifier can show its problem.Hope this helps you cross your motorcycle's charging issue off the list! The battery in the Honda is located on the passenger's side rear of the engine compartment or on the driver's side front of the engine compartment. 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