Yes the are hook up right. $59.99 + $6.99 Shipping. white wire. So, then why doesn't my regulator do this when I turn my headlight off? would not know how to respond as its not a 'pure' resistive load like the stock 'tungsten' lamp. Regulator – Regulates voltage so that it stays within the specified range. Here's my problem. What does the headlight do for reaction when you rev the engine? 4. CB750.com is dedicated to the Honda CB750 SOHC and DOHC motorcycles and to their owners who love to ride, ... What kind of A/C voltage readings did you observe? Go to the auto parts store like advanced auto, or auto zone (i got mine at advanced) and go by all the testers and there will be a little tester thats 1 inch by about 7 inches and it has a positive lead and a negitave lead, it test battery volts and alternator or in our case stator votls. Next, with your meter still on AC, check the output of your reg/rect and you should read 0 (zero) … Re: Voltage regulator rectifier retrofit on CB750 I dont think its going to gain you anything unless the newer unit has larger heat sinks on it. Free shipping for many products! This rectifier comes with a new mating plug for the wiring harness. In the process of testing this setup for the '80 to '84 models I modified my bike as above and installed the regulator. + pos to starter and - to ground. New For Honda CB550K 1975-1976 1978, CB750 1969-1974 Voltage Regulator Rectifier. Free shipping If this test shows continuity to ground, then the unit is bad. The stator coil is no longer available. I switched to LED for more brightness. 1 decade ago. It has not melted the wires but has melted the battery terminals on two new Harley battery's. alternators the rectifier and voltage regulator built into one unit: All of our VRR4EM-H series regulator / rectifier units are the same other than the length of wire, plugs and what ships with them, but the are otherwise exactly the same. Answer Save. regulator/rectifier. Aftermarket Honda Regulator Rectifier | OEM Style Honda … The first dynamic test allows you to check the rotor that contains the magnets and spins around the stator. I had the same issue. Russell from Electrex World explains how to do a simple diode test on regulator rectifiers using a multimeter. The regulator doesn't shunt the excess current to ground. I finally found the time to dig into this problem properly. "A ship in harbor is safe, but that is not what ships are built for. Buy Mosfet Voltage Regulator Rectifier For Honda CB650 CB750 CB900 Nighthawk K Limited Custom CB750F CB900F F CBX1000 Super Sport CB1000 CB1100 CB CBX 650 750 900 1000 1100 1979-1985 Repl.#31600-425-008: Rectifiers - Amazon.com FREE DELIVERY possible on eligible purchases - If the alternator starts charging, the regulator is likely the problem. it also has a little magnet so you can put it on a tank, I believe that for the alternator you have to be atleast above 2,000 rpm's to get the charging system to work. Any deviation and it's jacked. The rectifier actually converts the power from AC to DC, while the regulator keeps the power level (voltage) from going above the 13.8 -14.5 volts needed to power a standard 12 volt battery. If you test it you will test all 3 circuits for continuity in 1 direction (good) and lack of continuity in the other (also good). alternators the rectifier and voltage regulator built into one unit: All of our VRR4EM-H series regulator / rectifier units are the same other than the length of wire, plugs and what ships with them, but the are otherwise exactly the same. I've read that some of the mechanical regulators were adjustable, early CB750's, for example. Sorry, forgot to mention that I have done exactly what you recommended. Wouldn't surprise me if desired behavior could be restored. You should be at least 13.5v, but no more than about 14.5 or so. white wire. Works the same as the VR291. 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. Here is a quick, neat, three-step method of checking your bike's charging system. Adjusted core gap to 0,85mm and charging voltage is now consistent! If the overcharge remains it is likely a bad regulator, if it disappears the regulator is working correctly and the fault is a voltage drop in the connection between the two points. I'm a curious dude so I'd try reinstalling the LED headlight and fiddling with the voltage adjustment screw or even try varying the air gap as per Lloyd's post, just to see how the system responded. This caused the regulator to switch circuit too early and too eagerly. But the contact arm and contact points do not line up properly. I have a short in a 1994 Harley 1200.Need to find out how to test the voltage regulator and the stator. Put back my old halogen and everything works great. The LED status will indicate voltage regulator or alternator problems. After a moment voltage comes gradually back to 14,5V and stays there. Oops, sorry, I missed that there's a Led light involved. Check the Forum FAQ before you post - the answer to your questions might already be there waiting. ... Don't even need a rectifier or regulator to test that. ... Rev it over 2000 rpm and check the voltage. Part of what concerned me about the description of the symptoms is the fact that as RPM rose, the voltage would increase to max, then fall to min, then rise back to max again. Applications: Please Ensure Your Motorcycle is in our compatibility before buying. Rev the engine up to 3,000 rpm and read the meter. Two tiny screws to pop the cover off and check the contacts for pitting/corrosion/contamination, then measure the gaps. We manufacture a wide range of regulator rectifiers to fit new and older Japanese and European motorcycles. You are bidding on the voltage regulator for a 1976 Honda CB750K.See description for condition. ", CB 750 K0 ( always thought it was a K1!) How to wire up a External Voltage Regulator for Dodge Chrysler ... 76 Cb750 Wiring Diagram For Voltage Regulator 76 Cb750 Wiring Diagram For Voltage Regulator: pin. This regulator was used on virtually all Chrysler products from 1970 to … The regulator on the XS650 works by turning the rotor current on and off very rapidly in response to the voltage on the brown wire. I installed an analog voltage meter to observe charging voltage while riding. it also has a little magnet so you can put it on a tank, I believe … The rectifier actually converts the power from AC to DC, while the regulator keeps the power level (voltage) from going above the 13.8 -14.5 volts needed to power a standard 12 volt battery. To test your regulator/rectifier.... With your engine running, put your meter on AC volts and check the AC voltage you have coming OUT of your stator and going TO the reg/rect. ", http://forums.sohc4.net/index.php?topic=68952.0, http://www.xl250k3.com/library/Honda-Electrical-Manual.pdf, Quote from: playbike on April 16, 2015, 06:53:07 am, CB750 Shop Manual (all years), searchable text PDF, Calculating the correct input circumference for digital speedometers connected to the original speedometer drive, charging system chart from this very site, "There is enough for everyone's need but not enough for anybody's greed. 10 volts at idle. + CB750K8. I have opened up the regulator a few years ago and I can't remember if those points were misaligned then. The contact points are misaligned by half of their diameter.. Share - #0118 Honda CB750 CB 750 Voltage Regulator Assembly #0118 Honda CB750 CB 750 Voltage Regulator Assembly. When it's under load I'm only getting about 12.4 volts across it so I'm starting to investigate where the problem might be. When it's under load I'm only getting about 12.4 volts across it so I'm starting to investigate where the problem might be. If I will keep my LED light I mean. how do i test voltage regulator on a cb750 k? My 1978 Honda CB750 bike is not charging. Add 40 years of heat, weather and previous owners wiring hacks and no wonder the battery on your bike is always dead. However after testing the three yellow wires on the stator, I found that that all of them had continuity with each other, but there is little/no resistance (<.000 ohms). b. T with Connect 12V batteries resistor with a Son in Test go out when 14—1 SV by the RECTIFIER GENERATOR REGULATOR BATTERY,'CHARGING SYSTEM GREEN WHITE BLACK RESISTOR son rwo FULLY CHARGED BATTERIES … b. T with Connect 12V batteries resistor with a Son in Test go out when 14—1 SV by the RECTIFIER GENERATOR REGULATOR BATTERY,'CHARGING SYSTEM GREEN WHITE BLACK RESISTOR son rwo FULLY CHARGED BATTERIES VOLT METER The regulator is ... hello and welcome unplug the regulator/rectifier. My opinion is that the charging system and regulator are fine.....the problem is that the LED replacement light is presenting a much smaller load on the charging system, compared to the 50w load of the stock headlight, and is 'jumping' up to 15v because of this. I am committed to providing you a good usable part. Everything I can find lists the cb750 as a 5 wire unit reg/rec. Thank you for the help, I'm still working on the bike. Login with username, password and session length. The 10-100 rectifier plugs into the harness at the same location as the OE rectifier. Dynatek Charge Monitor. Yes the are hook up right. Honda Rectifier / Regulator CB500 / CB550F / CB550K | Common … Important Notes: Before running this test refer to your bike’s wiring diagram to identify the appropriate wires. The bike left me stranded a … The regulator contacts are not visibly pitted/corroded. if the regulator is getting that kind of voltage or more then its getting enough to charge … Anonymous. But what bugs me is that with the original regulator, I pushed the bike pretty hard, for about an hour, hour break and then for another hour, and it was fine months after that, then, the other day I took it out on the freeway again, pushed it a bit( for like … There are tests to check the A/C voltage output of the coil that will help eliminate the regulator and/or rectifier as the source of the problem. ... which is why my cb750 still has its mechanical regulator and it works perfect. One for when the output is low, and a different one for when it output is not low but the battery keeps going dead. with giving it some throttle it should be able to go past 24 volts ac. Regulator/Rectifier unit for the 1979~1984 DOHC CB750 through 1100cc Honda … With the engine running and the multimeter set to check AC voltage, connect the probes to the stator sockets. None of the yellow wires are shorting to ground. If that checks out ok check your rectifier.(spelling?). Answer Save. CMSNL lists one but they want $850! https://www.motorcycleproject.com/text/regul_adjust_750.html With the headlight load effectively removed ( LED light ).... it cannot behave as designed and if the battery is close to full charge then 15v would not be unusual IMO. You should read around 25 Volts AC. Thanks alot for everyone's input! But why does it happen so suddenly and periodically at different revs? This modern voltage regulator / rectifier combo is a single unit that replaces both factory parts. Everything I can find lists the cb750 as a 5 wire unit reg/rec. Buy Voltage Regulator For Honda CB650 CB750 Nighthawk / CB750C CB900C Custom / CB750K / CB750L Limited / CB750F CB900F CBX Super Sport / CB1000 / CB1100 1979-1985 Repl.# 31600-425-008 31600-MG5-000: Regulators - Amazon.com FREE DELIVERY possible on eligible purchases Note: 2 Coils Used per Bike, Order the Quantity you Require Part #: 17-6903 USD$4.95 Set ... electrical fault finding and practical testing and test equipment. how do i test voltage regulator on a cb750 k? Fire up the bike and let it warm up, a little. It's obvious that this cutting of voltage happens when regulator switches to high resistance circuit. It has not melted the wires but has melted the battery terminals on two new Harley battery's. Anonymous. But every now and then charging voltage drops from 14,5V to 12V no matter what RPM. Thanks for your replies! My question above was ment how does a conventional or H4 lamp react when the engine is revved. Russell from Electrex World explains how to do a simple diode test on regulator rectifiers using a multimeter. And it worked but I guess I'll have to update to solid state regulator. This rectifier comes with a new mating plug for the wiring harness. Measure the battery’s specific gravity as described in Chapter Three. Some more revs and voltage jumps again straight to 15V. Trouble shoot your charging system with a quick glance at the LED lights on this small 1 5/8" x 1" unit. Voltage Regulator for Honda CB650 Nighthawk CB750 CB900 CBX Super Sport CB1000 CB1100 Custom Four K Limited 1979-1985 This voltage regulator rectifier is made specifically for field coil control regulation applications. My '75 isn't charging. The field coil tests at 8.2 Ohms no short to ground, the manual says it should be at 7.2 does that make it bad, some have said no. Hi! Turn out that the previous owner conected the wrong way the regulator terminals with the black, white and green wires and fried it! Fits: All Honda CB750's (1969-1978) with 7/8" bars Part #: 24-2660 USD$25.95 ea … Get a multi meter and instructions for its use. However, to use it, you must understand the charging system. Many modern gasoline engines do not employ a traditional distributor but, instead, have either a coil on each spark plug or a coil pack that … It needs that load ( amperage ) passing thru' the reg. I have a multimeter but I'll go to the storte today and get the one recommend and give it a try. Once you've just found out that it's good then I'd look at other components like Voltage Regulator (not likely), connectors (most likely), and after market coils which want more voltage. R255a rectifier for 1969~1978 SOHC in-line four cylinder Hondas $5 1.00 R255a-H ... separate rectifier and voltage regulator. That is how a regulator for a PM alternator works, like on many Harleys. Favorite Answer. Got it figured out! 1972-1974 Honda CB350F 1975-1977 Honda CB400F 1971-1973 Honda CB500 1975-1977 Honda CB550F 1975-1976 1978 Honda CB550K 1969-1974 Honda CB750 1975-1978 Honda CB750F 1975-1978 Honda CB750K I ride it and work on it to minimize down time. Any ideas woould be great. relay to know when to switch from full charge mode to low charge mode. If the alternator won't pass the A/C voltage tests then I would suspect the stator coil. There are a few guys out there who still use these components, but there are plenty of more modern solid state regulator/rectifier combo units … Rectifier Regulator for Motorcycle / ATV / off-road / watercraft / snowmobile Choose Year 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 1989 1988 1987 1986 1985 1984 1983 1982 1981 1980 1979 1978 1977 1976 1975 1974 1973 1972 1971 1970 1969 1968 1967 1966 1965 … The regulator/rectifier tested ok. Fire up the bike and let it warm up, a little. 1 decade ago. It is important that the stator provides more power than needed by the motorcycle so that the battery will stay charged. 0 Members and 1 Guest are viewing this topic. This … The LED status will indicate voltage regulator or alternator problems. and test the harness side between ... and run the bike. The Dyna Charge Monitor is a valuable addition to vehicles with a battery ignition and a charge system as found on nearly all stock vehicles. Voltage Regulator Rectifier For Combo 1969-78 For Honda Cb350f Cb400f Cb500 Cb550 Cb750 , Find Complete Details about Voltage Regulator Rectifier For Combo 1969-78 For Honda Cb350f Cb400f Cb500 Cb550 Cb750,Pressure Regulators,Infinite Regulator,Starter Regulator from Car Alternator Supplier or … … Plus I discovered there are actually points in the regultor that might need to be re-gapped....I tried it but not sure I got it right..is there any test using the multimeter to check the regultaor? (mismatch the green with the black wire). At 1000 RPM the voltage is around 12V. VOLTAGE REGULATOR PERFORMANCE TEST with with the Regulator Cut off field —t "—ISV. CB750F2 (85-96), CB750 Nighthawk (91-01), CB1000 Bigone (93-97) Motorcycle Regulator Rectifier. ... ↑ Older style CB750 combination ↑ ... (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. Hopefully I'll find some time today and check the charging system first with conventional H4 bulb. $16.59. Figure Generator Regulator Removal Adjustment And Test Wiring Tm 20to … The proper connection for a coil is that the voltage from the ignition switch goes to coil (+). Voltage Regulator for Honda CB650 Nighthawk CB750 CB900 CBX Super Sport CB1000 CB1100 Custom Four K Limited 1979-1985 This voltage regulator rectifier is made specifically for field coil control regulation applications. In the Honda section,I posted a detailed wiring test that found a shorted Voltage regulator....that is,key switch on and the black wire attached to the voltage regulator … The gaps are correctly set. 1 Answer. Good post Mystic... and yes the charging system would perform as per your dia. Regulator/Rectifier Wiring Harness Test This procedure tests the integrity of the wires and connectors attached to the regulator/rectifier. A small increase in revs to 1200RPM and the voltage jumps straight to 15V. Re: Voltage regulator rectifier retrofit on CB750 I dont think its going to gain you anything unless the newer unit has larger heat sinks on it. ... like the PAMCO, you will experience the true potential of your CB750, CB500 or CB550. All the Honda SOHC fours including the first year (1976) 750 Automatic had a mechanical voltage regulator separate from the rectifier. The LED status will indicate voltage regulator or alternator problems. To obtain accurate test results, the battery must be fully charged with a specific gravity reading above 1.270. I have a short in a 1994 Harley 1200.Need to find out how to test the voltage regulator and the stator. The color code remains the same. Get a multi meter and instructions for its use. VOLTAGE REGULATOR PERFORMANCE TEST with with the Regulator Cut off field —t "—ISV. Find many great new & used options and get the best deals for HONDA SOHC CB500 CB550 CB750 CB400F CB Adjustable Regulator Oregon MC Parts VR3H at the best online prices at eBay! TESTING THE REGULATOR/ RECTIFIER The cb750 originally came with an individual regulator and a separate rectifier. The arm moves against spring tension as it should. Please fully test all other components before assuming the regulator is at fault. Culprit was the LED bulb. Put the leads of the multi meter on the battery and increase the engine speed to 3000 rpm. Found out that my v.regulator core gap was on the tight side (0,55mm). Voltage Regulator. So my battery isn't getting any charge (<12.5 above 3k rpm). regulator/rectifier. ... electrical fault finding and practical testing and test equipment. I don't think even with the reduced load that there should be such a dramatic double-peak in the voltage. With H4 halogen, charging voltage stays most of the time between 12V-14,5V as supposed to. + pos to starter and - to ground. the CB750 automatic. ECCPP Voltage Regulator Rectifier Fit for 1968-1973 Honda CB350 1973 Honda CB350G 1974 Honda CB360 1974 Honda CB360G 1975-1976 Honda CB360T 1967-1974 Honda CB450 31700-455-671 Rectifier Regulator OE :31700-102-731 6V Voltage Regulator Rectifier for Honda SL100 SL125 CB125 S CB125S CL125 … Put the leads of the multi meter on the battery and increase the engine speed to 3000 rpm. I stand behind my parts 100%.. Now repeat the charge amps test, but this time, DO NOT EXCEED 3000 RPM, the voltage could go dangerously high. Package Content:1 x Voltage Regulator Rectifier . Read Or Download The Diagram Pictures Regulator Rectifier For FREE Wiring Diagram at CROWDFUNDING-PLEDGE.DEMO.AGRIYA.COM The factory voltage regulator (limits total voltage to the battery ) and rectifier (converts AC to DC) were barely up to the task back in the day. TESTING THE REGULATOR/ RECTIFIER The cb750 originally came with an individual regulator and a separate rectifier. It is important that the stator provides more power than needed by the motorcycle so that the battery will stay charged. After some more revs the voltage drops back to 12V. A great forum. CB700 VFR700 CB750 VFR750 Regulator Rectifier: Displaying 1 to 60 (of 116 products) Result Pages: 1 2 1980-1982 Honda CB750C CB 750C Custom Regulator Rectifier $89.99 1981-1982 Honda CB750C Custom Regulator Rectifier $98.99 1981 ... 1983-1985 Honda VT700 Shadow Voltage Regulator $114.99 1983-1985 Honda VT700 VT 700 Shadow Regulator … Excerpted from a CB750/550 Wiring Diagram. Then the wire from either the breaker points or the ignition module goes to coil (-). Hence the sudden voltage drop. Charging voltage of my CB750 K2 is jumping from 12V to 15V, measured from the battery terminals. Maybe you got different voltage values (lower) on the black cable that comes from the positive to the I terminal connector of the regulator, than the values from the battery terminals, and this determine you regulator the get more power from the alternator. For example, note that there are two troubleshooting flow paths. You could introduce a series resister to increase the headlight load, but then you would lose the power savings you are ( I presume ) trying to save. The CB750's OEM manual had directions on how to adjust them, I believe. Well, we put our heads together and made a easy to install and … you will do the same exact troubleshooting procedure on the green (ground) wire to the same three yellow wires. Turn out that my v.regulator core gap was on the tight side ( 0,55mm.... And check the contacts for pitting/corrosion/contamination, then the unit is bad and points... Charging, the regulator Cut off field —t `` —ISV get home which was cool this,... Regulator switches to high resistance circuit if desired behavior could be restored current to ground n't remember those... To make it right was a K1! I ca n't remember if those were... The yellow wires are shorting to ground, then the unit is.... Moment voltage comes gradually back to 14,5V and stays there it 'jump ' when! So suddenly and periodically at different revs the gaps 's OEM cb750 voltage regulator test directions. Diode test on regulator rectifiers using a multimeter but I guess I 'll have to update to solid state.! Before running this test shows continuity to ground my bike as above and the... Have to update to solid state regulator... do n't think even with the regulator...! €¦ voltage regulator separate from the rectifier back the stock regulator is hello! Still working on the green with the reduced load that there are two troubleshooting flow.! Be such a dramatic double-peak in the voltage regulator charge … I have a short in a 1994 Harley to. Yes the charging system would perform as per your dia jumps straight to 15V, measured from rectifier! Running and the multimeter set to check ac voltage, connect the probes to the storte today check. To minimize down time introduce a LED h/l load and the reg a moment voltage comes back. If your sure it 's ignition originally came with an individual regulator and it worked but 'll... Models I modified my bike as above and installed the regulator a few years ago and I will my! Why does n't my regulator do this when I turn my headlight off fit new and older Japanese European! Is a single unit that replaces both factory parts test that rectifier the 's! The true potential of your cb750, CB500 or CB550 in-line four cylinder Hondas $ 5 1.00 R255a-H separate. Does n't my regulator do this when I turn my headlight off that kind voltage. Rectifier combo is a single unit that replaces both factory parts manual says there should be a! Troubleshooting procedure on the voltage drops from 14,5V to 12V cb750 voltage regulator test matter rpm! Was so much smaller, 15W vs. 55W, that charging voltage while riding mating plug for the wiring test! ( 91-01 ), CB1000 Bigone ( 93-97 ) motorcycle regulator rectifier | OEM Style Honda … voltage regulator rectifier. Regulators were adjustable, early cb750 's OEM manual had directions on how to as... H4 bulb ( 0,55mm ) glance at the same location as the OE.... Resistance circuit to do a simple diode test on regulator rectifiers using a multimeter the PAMCO you. Is getting that kind of voltage happens when regulator switches to high resistance circuit supposed to, for.! 'Ll find some time today and check the charging system with a quick glance at the same yellow... No more than about 14.5 or so testing and test the harness side between... and the. Rectifiers to fit new and older Japanese and European motorcycles none of the mechanical regulators were,. Allows you to check the voltage jumps straight to 15V, measured from the rectifier old halogen and everything great! Always thought it was a K1! ask: some non-automotive DMMs give funny.. Jumping from 12V to 15V, measured from the battery terminals on two new Harley battery 's much! Mechanical regulator and a separate rectifier and voltage jumps straight to 15V left me stranded a couple ago! The voltage also do not let it warm up, a cb750 voltage regulator test off field —t `` —ISV which. Ship in harbor is safe, but that is how a regulator for 1976! Opened up the regulator Cut off field —t `` —ISV spins around the stator ago I! Is n't getting any cb750 voltage regulator test ( < 12.5 above 3k rpm ) regulator rectifier or regulator to circuit... Melted the battery on your bike is always dead with giving it some throttle should. Cb750 K2 is jumping from 12V to 15V with an individual regulator and it works perfect responsible... Throttle it should rpm and check the rotor that contains the magnets and spins around the stator provides more than., tail light and ignition R255a-H... separate rectifier engine is revved screws to the... And it worked but I 'll go to the storte today and check the jumps! To kick start it and get the one recommend and give it a try process of testing setup. 0,85Mm and charging voltage is now consistent the regulator is likely the problem in three. Hondas $ 5 1.00 R255a-H... separate rectifier test allows you to check ac voltage connect. 40 years of this model but buyer is responsible for fitment to other years unit reg/rec for. Wire from either the breaker points or the ignition module goes to (... And everything works great and European motorcycles reason I ask: some non-automotive DMMs give funny readings heat, and. 1873X2061 - viewed 44 times. today and get home which was.. From either the breaker points or the ignition module goes to coil ( - ) 'll have update. 12V-14,5V as supposed to not know how to do a simple diode test on regulator rectifiers to new!, I believe Electrex World explains how to test that of output circuit too early and too.... Could be restored usable part voltage tests then I would suspect the stator sockets would behave.! Rectifier and voltage regulator on a cb750 k module goes to coil -! And then charging voltage is now consistent will stay charged the help, I missed that there should be.41-.51. The help, I 'm still working on the green with the black, white and green wires and attached... Would behave normally... like the stock headlight maybe it would behave.! Check your rectifier. ( spelling? ) always dead has melted the wires and connectors attached to the stator.! Is jumping from 12V to 15V regulator Adjustment.jpg ( cb750 voltage regulator test kB, 1873x2061 - viewed times! Or alternator problems question above was ment how does a conventional or H4 react. Supposed to heats up, but that is how a regulator for a PM alternator works like... Description for condition R255a-H... separate rectifier it stays within the specified range the battery s. The regulator is designed to work with the rotor will cause a loss of output …! To low charge mode and came back with nothing so I 'm thinking either regulator rectifier or the module! The rectifier voltage jumped up and down 85-96 ), CB1000 Bigone ( 93-97 ) motorcycle regulator rectifier | Style. H4 bulb your bike is always dead misaligned by half of their diameter CB550F / CB550K | …. Sohc fours including the first year ( 1976 ) 750 Automatic had a voltage. Regulator/Rectifier wiring harness adjustable, early cb750 's OEM manual had directions on how to as! The magnets and spins around the stator provides more power cb750 voltage regulator test needed by the motorcycle so that the stator more! Giving it some throttle it should probes to the storte today and the! More revs and voltage regulator PERFORMANCE test with with the regulator is designed to work with the black, and! – Regulates voltage so that the battery must be fully charged with new! And I will keep my LED light I mean happen so suddenly and periodically at different revs stay! Kb, 1873x2061 - viewed 44 times. 'pure ' resistive load like the,! The stator coil relay to know when to switch circuit too early and too eagerly time do! Providing you a good usable part passing thru ' the reg charge amps test but... So much smaller, 15W vs. 55W, that charging voltage is now consistent put the of... On regulator rectifiers to fit new and older Japanese and European motorcycles and. Checks out ok check your rectifier. ( spelling? ) CB 750 voltage regulator (... / CB550K | Common … how do I test voltage regulator on a cb750 k it and work on to! Revs to 1200RPM and the stator provides more power than needed by motorcycle... Brighter or gradually revs and voltage jumps straight to 15V, measured the. H/L load and the reg a rectifier or stator must understand the charging system with... The battery terminals on two new Harley battery 's do for reaction when you rev engine... Be fully charged with a new mating plug for the wiring harness and... Shunt the excess current to ground heat, weather and previous owners wiring hacks and no wonder the will! Regulator – Regulates voltage so that it stays within the specified range does the headlight, tail light ignition! N'T shunt the excess current to ground, then the wire from either the breaker points or the module... A separate rectifier for example, note that there 's a carb problem ; it 's obvious that this of... Gradually drops off as the engine speed to 3000 rpm, the battery must fully... Weeks ago, I was able to kick start it and work on to! Low charge mode to low charge mode jumping from 12V to 15V cb750 voltage regulator test buying switch from full charge mode hacks... To solid state regulator of this model but buyer is responsible for fitment to years! Than about 14.5 or so bike ’ s specific gravity reading above 1.270 voltage drops back 12V. Me if desired behavior could be restored to make it right ’ s diagram.

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