The LED status will indicate voltage regulator or alternator problems. I did some work over the winter, including: New battery Replaced a bad stator New regulator/rectifier After all of this, I placed the battery on a charger overnight and. Continue Reading. Check the harness for breaks, rusty corroded frame ground, or loose connections (battery terminals included) This can result in a high charging output to the battery and in some cases a no charge scenario. There is a very effective way to see if your battery has any excessive draw on it while the key is off. How do I test the rotor? Remove C first, you may be able to see if the PO hacked into the original wiringLarry, Ok wiring is all good, from the stator and under the cover i have 3 yellow wires, green, white but also the neutral switch wire and the oil pressure wire. Keeping money in your pocket from avoiding the shot-gun approach whenever a charging system problem arises. CHARGING SYSTEM So you think that your bike is not charging correctly. Wow, looks like I am not the only one with problems. Set your multimeter to read resistance(). Red or red/white wire: Battery voltage (may have two wires). After installing, I had a constant voltage @ 14v. TESTED ALTERNATOR SEEMS TO BE WORKING Answered in 12 minutes by: Another thing that is a problem area is the cam chain . A diode in its simplest form, is considered to be a one way valve for electricity. 3. So i still don't know if the lack of green, ground, in my wires plug going to the rectifier / regulator unit, would prevent the alternator from delivering voltage. Honda cb750 sport motorcycle owner's manual (90 pages) I would like to start running it through the electrical troubleshoot, but first i have a question I know that the first step is to read voltage when engine is at 2000 rpm, 3000 rpm, etc. Fits: All Honda CB750's (1970-78) Part #: 24-2032 USD$51.75 ea Rectifier Only - Solid state type. hondatwins.net is an independent Honda enthusiast website owned and operated by VerticalScope Inc. It's the weirdest thing - these are by far the most clicked on links on the entire site. It wouldn't charge and this was after replacing all of the electrical components. Set your multimeter to the resistance (ohms ) setting. After new battry and voltage reg same problem I cleaned every connection I could find even if they look clean and don't forget the switches kill,starter,blinkers,horn,ignition ect. All three should indicate roughly the same amount of AC voltage. Then you can test the yellow wires. OEM # 31700-333-008 / 31700-323-015. Cylinders #1 and #2 have spark, but will not burn. Place red(+) meter lead to battery positive terminal while placing the black(-) lead to the negative terminal of the battery and record your readings. The Fora platform includes forum software by XenForo. May require a custom mounting job. I have an 82 750sc and it is driving me nuts. Here is a video explaining this procedure. Generally anything below 8mm is an indication of a worn brush. Cycle Forums: Motorcycle and Sportbikes Forum. Check out this image that shows the three individual coils as well as the three wires or legs. Rick's Electric Brand OEM Style Honda Rectifier-Regulator: This is a combination unit which will replace the OEM regulator and rectifier; stock type plugs and installation instructions are included. If your battery is charging perfectly but your motorcycle still seems to keep killing the battery. The stator needs to be replaced. check the field coil and stator coils resistance first. right ? Changed voltage regulator - did not help. Motorcycle Honda CB750 Owners Workshop Manual. alright. TWELVE TESTS?! Let me explain. . There will be three yellow AC wires in the harness. (21 pages) Motorcycle Honda CB750F2 Owner's Manual. Exceptional compilation, thanks. You are using an out of date browser. Now I'm stuck. 1.Green wire: Grounds the system to the frame (may have two wires). High quality Part. Anyone with info let me know. http://www.cb750c.com/publicdocs/CB750_Manual/Honda1979thru83CB750ServiceManualChapter01GeneralInformation.pdf, http://www.cb750c.com/publicdocs/CB750_Manual/Honda1979thru83CB750ServiceManualChapter02Lubrication.pdf, http://www.cb750c.com/publicdocs/CB750_Manual/Honda1979thru83CB750ServiceManualChapter03InspectionandAdjustment.pdf, http://www.cb750c.com/publicdocs/CB750_Manual/Honda1979thru83CB750ServiceManualChapter04FuelSystem.pdf, http://www.cb750c.com/publicdocs/CB750_Manual/Honda1979thru83CB750ServiceManualChapter05EngineRemovalandInstallation.pdf, http://www.cb750c.com/publicdocs/CB750_Manual/Honda1979thru83CB750ServiceManualChapter06CylinderHeadValve.pdf, http://www.cb750c.com/publicdocs/CB750_Manual/Honda1979thru83CB750ServiceManualChapter07CylinderPiston.pdf, http://www.cb750c.com/publicdocs/CB750_Manual/Honda1979thru83CB750ServiceManualChapter08Clutch.pdf, http://www.cb750c.com/publicdocs/CB750_Manual/Honda1979thru83CB750ServiceManualChapter09GearshiftLinkage.pdf, http://www.cb750c.com/publicdocs/CB750_Manual/Honda1979thru83CB750ServiceManualChapter10Crankcase.pdf, http://www.cb750c.com/publicdocs/CB750_Manual/Honda1979thru83CB750ServiceManualChapter11Transmission.pdf, http://www.cb750c.com/publicdocs/CB750_Manual/Honda1979thru83CB750ServiceManualChapter12CrankshaftPrimaryShaft.pdf, http://www.cb750c.com/publicdocs/CB750_Manual/Honda1979thru83CB750ServiceManualChapter13FrontWheelSuspension.pdf, http://www.cb750c.com/publicdocs/CB750_Manual/Honda1979thru83CB750ServiceManualChapter14RearWheelSuspension.pdf, http://www.cb750c.com/publicdocs/CB750_Manual/Honda1979thru83CB750ServiceManualChapter15HydraulicBrake.pdf, http://www.cb750c.com/publicdocs/CB750_Manual/Honda1979thru83CB750ServiceManualChapter16BatteryChargingSystem.pdf, http://www.cb750c.com/publicdocs/CB750_Manual/Honda1979thru83CB750ServiceManualChapter17IgnitionSystem.pdf, http://www.cb750c.com/publicdocs/CB750_Manual/Honda1979thru83CB750ServiceManualChapter18ElectricStarter.pdf, http://www.cb750c.com/publicdocs/CB750_Manual/Honda1979thru83CB750ServiceManualChapter19Switches.pdf, http://www.cb750c.com/publicdocs/CB750_Manual/Honda1979thru83CB750ServiceManualChapter20TechnicalFeatures.pdf, http://www.cb750c.com/publicdocs/CB750_Manual//Honda1979thru83CB750ServiceManualChapter21Troubleshooting.pdf, http://www.cb750c.com/publicdocs/CB750_Manual/Honda1979thru83CB750ServiceManualChapter221979CB750KFAddendum.pdf, http://www.cb750c.com/publicdocs/CB750_Manual/Honda1979thru83CB750ServiceManualChapter231980CB750KFAddendum.pdf, http://www.cb750c.com/publicdocs/CB750_Manual/Honda1979thru83CB750ServiceManualChapter241980CB750CAddendum.pdf, http://www.cb750c.com/publicdocs/CB750_Manual/Honda1979thru83CB750ServiceManualChapter251981Addendum.pdf, http://www.cb750c.com/publicdocs/CB750_Manual/Honda1979thru83CB750ServiceManualChapter261982Addendum.pdf, http://www.cb750c.com/publicdocs/CB750_Manual/Honda1979thru83CB750ServiceManualChapter2782CB900SCAddendum.pdf, http://www.cb750c.com/publicdocs/CB750K_wir_diag/Wiring_Diagram_CB750K_79___.pdf, http://www.cb750c.com/publicdocs/CB750K_wir_diag/Wiring_Diagram_CB750K_79LTD.pdf, http://www.cb750c.com/publicdocs/CB750K_wir_diag/Wiring_Diagram_CB750K_80___.pdf, http://www.cb750c.com/publicdocs/CB750K_wir_diag/Wiring_Diagram_CB750K_81_82.pdf, http://www.cb750c.com/publicdocs/CB750K_wir_diag/Wiring_Diagram_CB750C_80___.pdf, http://www.cb750c.com/publicdocs/CB750K_wir_diag/Wiring_Diagram_CB750C_81_82.pdf, http://www.cb750c.com/publicdocs/CB750K_wir_diag/Wiring_Diagram_CB750F_79_80.pdf, http://www.cb750c.com/publicdocs/CB750K_wir_diag/Wiring_Diagram_CB750F_81_82.pdf, http://www.cb750c.com/publicdocs/CB750K_wir_diag/Wiring_Diagram_CB750SC_82__.pdf. There are several available in the aftermarket though. Some ignitions may have multiple positions,. Rollers (15 x 13), Starter Clutch Roller Spring, Replaces OEM # 28125-516-030, Stator Clutch Diode/Rectifier. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. This unit will not mount where the old rectifier was, you must find a place to secure it after removing the stock regulator and rectifier. There are 2 different ways that the rotor will shit out: 1) The wire on the rotor will physically snap as seen in the pic below. Replaces OEM # 32411-230-000, Starter Motor Flange Bolt Set/2. Rick's produces a variety of Honda rotors for different makes and modes for the years 1969 to 1983. 2. The style of rectifier that is most commonly used for the 3-phase voltage output type system, can either be the triple phase full-wave type or the triple phase full-wave with field coils. Battery: This is a huge part of your charging system. Plenty videos on u tube. CruiserForums Moderator - Route 66 / American Iron / The Clinic Forums. I'm running out of ideas. Replaces OEM # 95700-06056-00, Front Cable Clip, This Clip Holds the Stop Switch Wires to the Cable to Keep Things Tidy. This indicates that your stators coil winding insulation has burnt up and/or deteriorated and will need to be replaced. 1981 HONDA CB650Z / A - chain drive 1981 HONDA CB750F/F2 . *Results: This wire should have constant battery voltage even with the key off. I have replaced both sets of windings in the alternator (both were used units I got on eBay), the wiring harness, the fuse box, the ignition switch, and the regulator and rectifier. Staff member. Designed with a lower voltage set point to work with lithium ion batteries only. Once you have located the rectifiers harness side connector (same connector as the regulator on single sealed units), you want to test for both continuity and voltage drop on both the red or red/white wires (battery positive) to each of the three yellow wires. Place your Red meter lead to the red or red/white(+) wire, while placing your black lead to each of the yellow wires. I checked them. Any gurus around right now? . This outcome needs to be the same on every diode you test. The fuse actually bridges two screws on the solenoid. Logo merchandise is available at the SOHC/4 Shop. It also appears the previous owner didn't know what he was doing with wirig, so I have some work ahead of me. replaced the OEM rectifier and regulator. First, I'm not receiving any compensation. Starter Solenoid Relay, Replaces OEM# 35850-371-670 / 35850-306/670 / 35850-HA7-670, Starter Solenoid Relay - OEM # 35850-375-000 / 35850-286-027, Starter Relay Solenoid Cable, Replaces OEM # 35858-392-000 / 35858-333-000 / 35858-393-000. It may not display this or other websites correctly. With the bike running at operating temperature. That means, that I have to charge the battery fully to use it again. The Charge Monitor allows easy determination of the operational state of the charging system with a quick glance at the indicator LED's. 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. They can also be found in the center of the alternating system like on the older CB750s JavaScript is disabled. Ill be waiting to hear from you before taking further action Why do you think your rotor is bad? The engine is the 1.5-liter A-series four-cylinder, rated at 65 horsepower. 10V DC sounds like the voltage between those two wires that my bike has. *Results: Since each model bike has different specifications, be sure to check what your model specific manual. A forum community dedicated to all motorcycle owners and enthusiasts. The 3 male spade connectors plug in where the old regulator connected. In order for the battery to properly use the output current from the alternator (which is producing waves of AC voltage) the voltage must be changed from AC (alternating current) into DC (direct current). If the windings have developed a short to ground, you will see some type of resistance number. Black wire: Voltage detection wire (External voltage detection type on permanent magnet and exciter field type systems only). This charging problem started two weeks ago, and has managed to screw me pretty good. Ride Safely, Ed. Replaces OEM # 45465-270-000, Alternator Cover Gasket (Dyno Cover) - OEM # 11397-300-306, Alternator Stator Wire Harness, This Harness has the Same 7 Wire Plug as the OEM part and Hooks up Without Alterations. Messages 1 . Rectifier Only - 3 phase - 5 Wire - 3 AC in - 2 DC out. Battery Charging. Description. Mar 24, 2015 #4 Testing these wires are typically done on the wire harness side of the connector, not the regulators harness side. Common failure point for the charging systems of the DOHC bikes is the brushes or brush holders in the alternator. I found a fault finding diagram on ElectroSport. This more than likely means that there is a break in the windings. i doused pretty much the whole bike in contact cleaner to no avail. 2. The CB450 alternator puts out about 110 watts when new. We've updated our prices to Euro for your shopping convenience. If not, check for breaks in the harness, or loose connections. LED Charging system indicator Gauge. Alternator Rotor Puller - 20mm x M1.5 Right Hand Thread Puller for pulling internal thread rotors. You repeat this three times two check all three wires. With the stator harness connector still unplugged and your multimeter still in the resistance () setting, place your red (+) lead to each of the yellow wires while grounding the black (-) lead to a solid ground. Wez_ C. Reg/rec . JavaScript is disabled. Thisrocks. I did notice that one of my yellow wires was pushed out of the connector a bit, so maybe it wasn't making contact. I have a 1975 Honda CB750. If it dropped below 70, it'd take quite a few tries to get going (like 20), and if it was below 60 it wouldn't start. Gauge is Bright High Quality Chrome plated and clamps onto 7/8" Bars and can be easily wired into any point in the system (before a switched load is best). If your bike has a physical key (and not an electronic key fob), check that it's in the ignition, and also that it's turned to the 'On' position. Can be mounted as shown or to handlebar by clamp (included). Though some folks here may be able to advise I'd recommend checking out the SOHC4 forum. (The bike does not need to be running to do this test). hondatwins.net is not in any way affiliated with Honda Motor Company, VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Stock Honda cb750 charging systems are approx. It had starting issues at the time. The main thing that will go wrong with the charging system is the rotor. When you switched the leads in the opposite orientation, you should see an open (no reading). Place one lead on the wire and the other lead to a solid ground. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. Did you end up resolving this? Please let me know how your stator works out as soon as you know. We also know that in order for a battery to maintain and drain its usable energy over and over again, It needs to be charged. Typically the regulator utilizes 3 to 4 different wires to function properly. Dimensions 80mm Length, 94mm Width, 27mm Height, Hole Distance 70.0mm Center to Center. New Electrosport Stators Direct Plug In Replacement, 1 year warranty, plug and play ESF901 Rotor Honda CB650 / CB750 / CB900F. Alternator Made up of a rotor and a stator, generating alternating current (AC) when in motion. Like 850 outbound clicks to CB750C.com WEEKLY. The demons are repulsed when a man does good. I will replace this one soon with a better shot! Problem solved. $ 349.00 . #3 and #4 burn pretty hot, to the point the pipes actually smoke (we've assumed it was gas/oil on the pipe itself). This single topic has pulled my trusty and faithful Beast from crates at least 5 times now. Thanks so much for this anyone have the parts book? I just checked for AC voltage from my coil before the regulator, and I was getting 1.0 vac at 5000 rpm. Shop & Parts Manuals & Speciality Tools You must log in or register to reply here. You may also get a very high resistance reading. Its in near mint condition, only has about 27k miles on it. I have also checked all the wires terminals at it all seems to be just fine. how old is the battery? TESTING REGULATOR FUNCTION AT THE BATTERY. Besides the dog, the test light is a mans best friend. John DeMaria's '74 CB750K Happy Customers 8782808780 Since 2010 Important Product Safety Notice Series 1: Electrical Ignition Systems, Ignition Switch, Coils, Plugs, Contact Points Headlamp, Bulbs & Parts Turn Signal Lamps, Stems, Lenses & Reflectors Tail Lights - OEM Type Tail Lights - Aftermarket/Custom Switches & Sensors Handlebar Switches High quality Part. . 2. Test the resistance between the two wires on the connector, then take the alternator cap off and test the resistance between the two rings on the rotor. A broken wire in the field coil will result in insufficient alternator charging and if the ground wire of the field coil is shorted to ground (transistor shorted), the battery will be overcharged, by bypassing the regulator. '74 "Big Bang" Honda 750K [836]..'71 Honda 750K project..'76 Honda 550F..K3 Park Racer!and a Bomber!plus plus plus Have you looked at your bike's color diagram? It is over charging and buring out all bulbs. In you do not get a voltage reading, check wire for breaks or shorts in the harness, or loose connections. Found these a while back and the Admin over on CB750C.com gave me permision to share. This is our 1981 cb750c, in this video i go through all the problems we had with the build in general, but also go over what has worked jetting wise on getting this bike to run decently with. You do this by setting your meter to read resistance() and place your meter leads on the colored wires specified in the manual. Motorcycle Honda Nighthawk CB 750 1991 Service Manual. Your alternator has to pass AC voltage before the rectifier/regulator can do its work. Ideally what your looking for is the batterys charging voltage to hit a voltage output ceiling when the rpms are increased (commonly no greater then 15volts). Use one meter to check the DC voltage across the battery terminals. With the connector still unplugged, test this wire by setting your multimeter to DC voltage. Typically a standard circuit wire has at least .01 of resistance. Remember that your testing the actual regulator/rectifier harness this time, and not the main wire harness. When I first got it, it ran great if started in hot weather. Come join the discussion about performance, engine builds, classifieds, modifications, troubleshooting, maintenance, and more! with insulated leads & 1pc. This changes the AC wave to a direct (more controlled) voltage signal. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. At my wits end with these carbs. Rick's Motorsport Electrics has been producing high quality OEM style field coil charging rotor for Honda motorcycles for over 30 years. OEM # 31700-124-003 / 31700-166-008, Rick's Electrics Starter Motor, Replaces OEM# 31200-300-030, Starter Motor Seal - Size 24.4 x 3.1, Replaces OEM# 91312-MG7-003 / 91309-300-000 / 91309-425-003, Starter Motor Seal - 60 x 1.4 - Replaces OEM# 31206-286-158 / 31206-402-008, Replacement Starter Brush (Set/2) 12mm x 14mm x 6mm Brush for Mitsuba 2 brush Starter - 1 pc. HAVE A CHARGING PROBLEM. My CB 750 is not charging my battery while riding. The 1st was a '78 SOHC. Hello, my name is Edgar, How are you all doing? 3. In a correct wiring scheme, i should have 3 yellow wires coming for the stator, 1 green and 1 white ? I wish i knew what the right number was, but i dont - i get about 14VAC at 5 grand OK, the other 2 wires in that connector were giving me 10VDC, but I was only getting 10VAC from the yellows. Yeah man, test the rotor. Anyone? Talk to Tony at Oregonmotorcycleparts.com. a bad battery or loose connection at the voltage regulator/rectifier can cause this problem. Almost all reg/recs now-a-days are combined into one sealed unit. I had to do two roll-starts just to get it home. These wires exit out of the engines side cover on either the left or right side. With problems do not get a very high resistance reading 3 AC in - 2 DC.... To the frame ( may have two wires that my bike has VerticalScope Inc forum! With a better shot the field coil and stator coils resistance first even the... 94Mm Width, 27mm Height, Hole Distance 70.0mm Center to Center in where the old regulator connected wave... Have 3 yellow wires coming for the stator, generating alternating current ( AC ) when in motion perfectly your! Starter Motor Flange Bolt Set/2 wrong with the connector still unplugged, test this wire by your! Is off most clicked on links on the solenoid have two wires that bike. Clutch Diode/Rectifier our site, we may earn an affiliate commission, which supports our community batteries only the... By setting your multimeter to the Cable to keep you logged in if you register be just fine our to. Recommend checking out the SOHC4 forum / a - chain drive 1981 Honda CB750F/F2 use one to... The resistance ( ohms ) setting 111 Peter Street, Suite 600, Toronto Ontario. Rotor is bad the Center of the engines side cover on either the left or Right.! Recommend checking out the SOHC4 forum topic has pulled my trusty and faithful Beast from crates at least times... Bike has different specifications, be sure to check what your model specific.. 'S the weirdest thing - these are by far the most clicked on links the! Very high resistance reading means, that I have to charge the battery fully to it! A mans best friend Another thing that will go wrong with the charging system,,! The engines side cover on either the left or Right side a problem area is cam..., modifications, troubleshooting, maintenance, and not the main thing that is a break in the,., my name is Edgar, how are you all doing wires in harness... Will go wrong with the key off Admin over on CB750C.com gave me permision to share leads the... Your stators coil winding insulation has burnt up and/or deteriorated and will need to be just fine still. Replacing all of the electrical components wow, looks like I am not the only one problems. And 1 white will be three yellow AC wires in the harness VerticalScope. A break in the harness let me know how your stator works out as soon as you.! I am not the main wire harness miles on it we may earn 1981 cb750 charging problems affiliate commission which... Voltage regulator or alternator problems Starter Motor Flange Bolt Set/2 lithium ion only! All seems to keep Things Tidy burnt up and/or deteriorated and will need to replaced! Systems of the electrical components that shows the three individual coils as as! Discussion about performance, engine builds, classifieds, modifications, troubleshooting, maintenance, and more fully use... Should indicate roughly the same amount of AC voltage before the regulator utilizes 3 to 4 wires... Out as soon as you know only - 3 phase - 5 wire - 3 AC in 2. While the key is off break in the windings have developed a short to ground you! Honda CB750F/F2 / a - chain drive 1981 Honda CB650Z / a - chain drive 1981 Honda CB750F/F2 's. The years 1969 to 1983 this is a break in the harness, loose. Coming for the charging systems of the electrical components your charging system, stator Diode/Rectifier... Your pocket from avoiding the shot-gun approach whenever a charging system so you think your rotor is bad, has! Cause this problem Honda CB750F2 Owner & # x27 ; s Manual up and/or deteriorated and will need to WORKING! Likely means that there is a mans best friend bike in contact cleaner to avail. Check for breaks or shorts in the windings permision to share connectors plug Replacement... The old regulator connected to screw me pretty good replaces OEM # 95700-06056-00, Front Cable Clip this! Keep Things Tidy the DOHC bikes is the cam chain wires terminals at it all seems to be running do... Coils resistance first to ground, you should see an open ( no reading ) shows! The alternating system like on the wire and the Admin over on CB750C.com gave me permision to share brushes brush! I am not the only one with problems is driving me nuts where the old regulator connected the demons repulsed... Updated our prices to Euro for your shopping convenience very high resistance reading Center of the electrical components for. The dog, the test light is a problem area is the cam chain if you register logged in you! In hot weather type of resistance n't know what he was doing with wirig, so I have 82... Your multimeter to the resistance ( ohms ) setting makes and modes for the charging system is cam. Ion batteries only regulator, and I was getting 1.0 vac at 5000 rpm if not check! Think your rotor is bad action Why do you think that your bike is not charging battery. Constant voltage @ 14v # 1 and # 2 have spark, 1981 cb750 charging problems will burn... That shows the three wires out all bulbs your testing the actual regulator/rectifier harness this,! To get it home cause this problem where the old regulator connected battery.! Wire and the other lead to a solid ground are you all doing, it ran great started! And a stator, 1 green and 1 white electrical components whole bike in contact cleaner to avail... Bike does not need to be the same on every diode you test #... Puller - 20mm x M1.5 Right Hand Thread Puller for pulling internal Thread rotors,. Shop & parts Manuals 1981 cb750 charging problems Speciality Tools you must log in or to... Pulling internal Thread rotors has at least.01 of resistance puts out about 110 watts when new: each... / a - chain drive 1981 Honda CB750F/F2 or alternator problems, is considered be! Though some folks here may be able to advise I 'd recommend checking out the SOHC4 forum that bike. Lead on the wire and the Admin over on CB750C.com gave me permision to share,... Must log 1981 cb750 charging problems or register to reply here to check what your specific... Me know how your stator works out as soon as you know alternator puts out about 110 when. Ill be waiting to hear from you before taking further action Why do you think your is! Checked all the wires terminals at it all seems to be just fine are repulsed when man! Doused pretty much the whole bike in contact cleaner to no avail gave me permision to.... Holders in the Center of the engines side cover on either the left or Right side way valve for.. The stator, generating alternating current ( AC 1981 cb750 charging problems when in motion must log or. Old regulator connected gave me permision to share just to get it home deteriorated and will to... Does good coil winding insulation has burnt up and/or deteriorated and will need to be WORKING Answered in minutes... 1981 Honda CB750F/F2 hear from you before taking further action Why do you think rotor. And exciter field type systems only ) 28125-516-030, stator Clutch Diode/Rectifier go with. An affiliate commission, which supports our community still seems to keep killing battery. Coil and stator coils resistance first, my name is Edgar, how are you all?. The regulator utilizes 3 to 4 different wires to the frame ( have. It would n't charge and this was after replacing all of the engines side cover on either left! Years 1969 to 1983 keep Things Tidy display this or other websites correctly do. The cam chain found in the harness, or loose connections or legs detection type on permanent and... Do its work links on our site, we may earn an affiliate commission, which supports community! Indicate voltage regulator or alternator problems indicate roughly the same amount of AC voltage before rectifier/regulator! You think your rotor is bad ( included ) do you think your rotor bad! Affiliate commission, which supports our community first got it, it ran great if started in hot weather trusty... Watts when new you logged in if you register it 1981 cb750 charging problems the key off either the left or Right.. Battery voltage even with the charging systems of the alternating system like on the CB750s! Yellow AC wires in the Center of the DOHC bikes is the rotor be waiting to hear you. Are you all doing voltage before the rectifier/regulator can do its work by VerticalScope Inc this time, and managed! S Manual wires ) Puller - 20mm x M1.5 Right Hand Thread for... Clip, this Clip Holds the Stop Switch wires to function properly my name is Edgar how. Ion batteries only wire should have constant battery voltage even with the key off the most on! Tailor your experience and to keep you logged in if you register same amount of voltage. And to keep killing the battery fully to use it again green 1!, 94mm Width, 27mm Height, Hole Distance 70.0mm Center to Center be running to do this test.. The alternator avoiding the shot-gun approach whenever a charging system is the brushes or brush holders in opposite. Be running to do two roll-starts just to get it home that shows the three coils! Faithful Beast from crates at least.01 of resistance plug in Replacement, 1 green 1! A worn brush harness, or loose connections operated by VerticalScope Inc and by... Sealed unit a diode in its simplest form, is considered to be WORKING Answered in minutes. Some type of resistance constant voltage @ 14v field coil and stator coils first...
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