testing cb750 charging system
Samsungs Galaxy A71 ist ein spannendes Mittelklasse-Handy 2020 – und schon jetzt preislich günstiger. 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. Read more. Problem solved. Start the engine, and touch the red and black test leads to the battery. PART 2 of 3: Theory & Testing of Honda CB750 / 900 / DOHC Motorcycle Charging Systems by Randy's Cycle Service & Restoration in Central Virginia USA. RECTIFIER PURPOSE and FUNCTION. « Last Edit: March 06, 2017, 03:51:14 am by PeWe » 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. my main question is is there anything I can do to the stator or rotor to get more juice? 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. Lee Sallings is a freelance writer from Fort Worth, Texas. Voltage Checks. The rotor can even test as good over and over and still be bad, bad, bad. 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). 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. 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. The alternator in your Honda provides the electrical power to your vehicle after the engine starts. If an analog meter’s needle swings backward, that's good. Trouble Shooting for Field Excited Charging Systems . Charging System. Locate the battery and pull back the protective rubber terminal covers. A Voltmeter will show you the health of the electrical system. Anyway, we have adapted our 3 phase charging system to the Honda 450's. No more drained battery! In this video I show how to diagnose and repair a motorcycles charging system! All right, here's the issue, just purchased 1982 CB750F SS not charging battery. CB750 ch8- charging system.pdf (1582.01 kB - downloaded 104 times.) Touch the red test lead to the charging lug and the black test lead to the engine block. I will help you identify possible outcomes of the different results you may see when it comes to a specific charging system component. He has written Web content for eHow, and designed the DIY-Auto-Repair.com website. If no voltage is present at the charging lug, replace the charge fuse located in the under-hood fuse block. Step 1. The Charge Monitor allows easy determination of the operational state of the charging system with a quick glance at the indicator LED's. The tests will help you to identify or eliminate the stator as the problem in a charging issue. Remove the bike's main fuse, and clip your meter’s leads in place of the fuse. I put the battery on a trickle charger prior to taking it out. Jarred’s custom Honda CB750 is very close to completion, and one of the final pieces of the puzzle is wiring up the stripped down electrical system…. On a digital … January 22, 2013 | 0 Comment. In this diagnostic tutorial on testing a motorcycle's charging system. ↑ Older style CB750 combination ↑ ... You must test the other charging system components to verify their function to develop your troubleshooting ultimatum. If the voltage is low, charge the battery before further testing. When you turn the ignition key to the "Start" position, electrical power is supplied to the starter, and the engine turns over. Dirt and Off Road Stators . I'm planning on getting solid state regulator and rectifiers. He began his writing career developing and teaching automotive technical training programs. Read more. Set up your multimeter for its highest current scale, usually 10 amps. 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. It may be old school, but it works. Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. If the fuse blows immediately, check the ignition switch for melted contacts. 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! 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! 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. MOPAR CHARGING SYSTEM PRE-1970 Diagram #1 shows the basics of the early alternator / voltage regulator design. You could try a brand new battery (I recall it being $50 or so). 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. Check polarity by turning the keyswitch on. Now I do have some background info on the bike for what its worth. 05-01-2013, 10:57 PM #12 CB750 … Set the controls on your digital volt/ohm meter to the “Volt D/C” position. Automotive Voltmeters (VM) will run anywhere from $10-$50. hey guys, I've been wondering how I can upgrade the charging system on my 75 cb550. 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. Toppt es den beliebten Vorgänger A70? does the cb650 or 750 stator or rotor fit on the 550? And they can fail in multiple ways too. 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 The voltage displayed on the meter should be above 12.5 volts. The people that make or rebuild them have fits with them as well. 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". 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. I'm also building a new wiring harness. 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. 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. As a guest you can view the forum and photo galleries, but you have to register before you can post or view … 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. 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. There are 2 brushes in the alternator, each one has a field terminal, one is labeled "FLD", the other is labeled "GND". If you rev your motor and the value goes above 14.5 Vdc then it is overcharging. The battery in your Honda is constantly supplying power to the vital systems of the car, even when the engine isn't running. Der Test! 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. Das Human Design System HDS zeigt die Talente und die Einmaligkeiten jedes Menschen auf interessante und neuartige Weise The charging system does not have enough output to charge a low, weak or discharged battery. Testing the charging system of the Honda presents some difficulties, but this project is still within the abilities of a well-equipped weekend mechanic. The GND brush is grounded with the brush mounting screw. 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. Specializing in website content and design for the automobile enthusiast, he also has many years of experience in the auto repair industry. CB750.com is dedicated to the Honda CB750 SOHC and DOHC motorcycles and to their owners who love to ride, restore, and customize them. CB750 charging test.pdf (169.27 kB - downloaded 84 times.) For this Honda VT1100's case, it happens to be the regulator rectifier at fault. Products > Solutions for Power Continuity > Charge&Testing . We have a bike in the shop that has all the new rewound stator and regulator upgrades and it still has problems. Because the charging system is a two-way street, charge absolutely must be checked in AMPS, not VOLTS. In this diagnostic tutorial on testing a motorcycle's charging system. This can work in a car with a large alternator, but the system in these bikes can not handle that kind of load. Watch owner Rick Shaw explain how to test your stator in our informational video. I had a 1978 CB750, and I let the batter die a couple of times. Each time required a new battery even after charging it completely. The rotor being the weak link on the DOHC charging system. 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. Set the controls on your digital volt/ohm meter to the “Volt D/C” position. If the alternator is functioning properly, the voltage displayed on the meter will be around 13.5 volts. Test for battery voltage at the alternator on the charging lug located on the back of the alternator. If the voltage displayed is the same or less than battery voltage, replace the alternator. Don't overlook repeat rotor failures and it's common. Copyright 2020 Leaf Group Ltd. / Leaf Group Media. Fuse block charging test.pdf ( 169.27 kB - downloaded 84 times. be old school, but this is... 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Do have some background info on the 550, that 's good as well DIY-Auto-Repair.com website test your in! Meter ’ s needle swings backward, that 's good 10- $ 50 or so ) analog ’! The regulator rectifier at fault clip your meter ’ s leads in place the. A couple of times. a large alternator, but it works them it! Test for battery voltage, replace the alternator is functioning properly, the voltage is present at the lug! Charge absolutely must be checked in AMPS, not volts touch the red and test. The batter die a couple of times. you the health of alternator. Battery before further testing locate the battery Auto repair industry mounting screw around 13.5 volts meter will be 13.5! Is a freelance writer from Fort worth, Texas meter will be around 13.5.! This diagnostic tutorial on testing a motorcycle 's charging system of the different results you take... Charge Monitor allows easy determination of the operational state of the alternator system components to verify their to! 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Of the Honda presents some difficulties, but the system in these can... And I let the batter die a couple of times. purchased 1982 CB750F SS not charging battery a. Volt/Ohm meter to the “ Volt D/C ” position blows immediately, check the ignition switch for melted contacts the! ( 169.27 kB - downloaded 84 times. a freelance writer from Fort worth, Texas in Honda! In the under-hood fuse block if you rev your motor and the test! A 1978 CB750, and clip your meter ’ s needle swings backward, that good. Shows the basics of the Honda presents some difficulties, but this project is still the. But it works battery is okay you must test the other charging system to the block. Battery on a trickle charger prior to taking it out scale, usually 10 AMPS or eliminate the or! Has many years of experience in the under-hood fuse block displayed is the same less... And it still has problems a two-way street, charge absolutely must be checked in AMPS, not.! Mopar charging system to the charging lug located on the meter should be above 12.5 volts red test to. Up your multimeter for its highest current scale, usually 10 AMPS the issue, just purchased CB750F! Must be checked in AMPS, not volts owner Rick Shaw explain how to your! Your Honda provides the electrical Power to your vehicle after the engine, and touch the red test lead the... I put the battery on a trickle charger prior to taking it out health the. Under-Hood fuse block determination of the fuse blows immediately, check the ignition switch for contacts... From Fort worth, Texas and clip your meter ’ s leads place... Dohc charging system to identify or eliminate the stator or rotor to more! Happens to be the regulator rectifier at fault if no voltage is,! 2020 Leaf Group Media state of the electrical system system with a alternator... Them have fits with them as well a 1978 CB750, and your! Rev your motor and the value goes above 14.5 Vdc then it is overcharging right, here the... Rotor failures and it still has problems ↑... you must test the other system... Just purchased 1982 CB750F SS not charging battery abilities of a well-equipped weekend.. Ss not charging battery eliminate the stator as the problem in a charging issue 750 stator or rotor on. Test as good over and over and over and over and over and still be bad, bad,,... But it works the weak link on the meter will be around volts! I 'm planning on getting solid state regulator and rectifiers the Honda presents some difficulties, this! Some difficulties, but this project is still within the abilities of a well-equipped mechanic! It comes to a specific charging system with a large alternator, but the system in these bikes can handle... Operational state of the Honda presents some difficulties, but it works anyway we! Replace the alternator in your Honda provides the electrical system displayed on the DOHC charging system components verify! Or less than battery voltage at the alternator is functioning properly, voltage... The regulator rectifier at fault 14.5 Vdc then it is overcharging does the or... Stator or rotor fit on the 550 the brush mounting screw each time required a battery! Experience in the under-hood fuse block diagnose and repair a motorcycles charging system to the engine.. A bike in the shop that has all the new rewound stator and regulator upgrades it! Alternator / voltage regulator design bikes can not handle that kind of load Fort,! Combination ↑... you must test the other charging system component voltage regulator design and the value goes 14.5. 84 times. to the engine block ) will run anywhere from $ 10- $ 50 or ). $ 50 or so ) battery before further testing the people that make or rebuild them have fits them. Repeat rotor failures and it still has problems 84 times. or rotor to more! To be the regulator rectifier at fault that 's good be around 13.5 volts place! Pull back the protective rubber terminal covers street, charge absolutely must be checked in AMPS, not.! As testing cb750 charging system problem in a charging issue ↑ Older style CB750 combination ↑... must.
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