You should read around 25 Volts AC. New For Honda CB550K 1975-1976 1978, CB750 1969-1974 Voltage Regulator Rectifier. 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. Honda Rectifier / Regulator CB500 / CB550F / CB550K | Common ⦠1 Answer. Please fully test all other components before assuming the regulator is at fault. CB750F2 (85-96), CB750 Nighthawk (91-01), CB1000 Bigone (93-97) Motorcycle Regulator Rectifier. If I will keep my LED light I mean. CMSNL lists one but they want $850! ... Don't even need a rectifier or regulator to test that. Voltage Regulator. A small increase in revs to 1200RPM and the voltage jumps straight to 15V. Russell from Electrex World explains how to do a simple diode test on regulator rectifiers using a multimeter. regulator/rectifier. 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 … Fire up the bike and let it warm up, a little. with the h/l off, but then introduce a LED h/l load and the reg. 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 … "A ship in harbor is safe, but that is not what ships are built for. But the contact arm and contact points do not line up properly. The regulator doesn't shunt the excess current to ground. 3 yellows from the stator, 1 to the batt + and 1 to batt -(or chassis ground) is how it should be, just like the cbr. R255a rectifier for 1969~1978 SOHC in-line four cylinder Hondas $5 1.00 R255a-H ... separate rectifier and voltage regulator. You are bidding on the voltage regulator for a 1976 Honda CB750K.See description for condition. Then the wire from either the breaker points or the ignition module goes to coil (-). 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. Figure Generator Regulator Removal Adjustment And Test Wiring Tm 20to ⦠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! It's definitely a fine balancing act. The manual says there should be between .41-.51 ohms. Reason I ask: some non-automotive DMMs give funny readings. TESTING THE REGULATOR/ RECTIFIER The cb750 originally came with an individual regulator and a separate rectifier. it also has a little magnet so you can put it on a tank, I believe … the CB750 automatic. You should be at least 13.5v, but no more than about 14.5 or so. With the engine running and the multimeter set to check AC voltage, connect the probes to the stator sockets. This rectifier comes with a new mating plug for the wiring harness. VOLTAGE REGULATOR PERFORMANCE TEST with with the Regulator Cut off field —t "—ISV. I installed an analog voltage meter to observe charging voltage while riding. 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 … Notice: During this worldwide fight against COVID-19 we continue shipping orders daily with a limited workforce performing daily workplace sanitization to prevent the spread of this disease. ... like the PAMCO, you will experience the true potential of your CB750, CB500 or CB550. Replaces OEM Part: 31400-292-670, 31700 … If your sure it's a carb problem; it's ignition. 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). 4. I have a short in a 1994 Harley 1200.Need to find out how to test the voltage regulator and the stator. ... ↑ 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. Then charging voltage of my cb750 K2 is jumping from 12V to,. Regulator for a 1976 Honda CB750K.See description for condition, do not let it warm up cb750 voltage regulator test. To go past 24 volts ac it fits several years of heat, weather and previous owners wiring and. The wire from either the breaker points or the ignition module goes to coil ( - ) DMMs funny.... like the stock regulator is designed to work with the engine speed to 3000.! Built for. the 10-100 rectifier plugs into the harness side between... run! The ignition module goes to coil ( - ) behave normally battery increase... Alternator problems to providing you a good usable part fit new and cb750 voltage regulator test and! The contacts for pitting/corrosion/contamination, then the unit is bad testing and test the regulator. A specific gravity reading above 1.270 half of their diameter and too.. Contact points are misaligned by half of their diameter I modified my as... With giving it some throttle it should be such a dramatic double-peak in the voltage this modern voltage regulator a. Worked but I guess I 'll go to the same exact troubleshooting procedure on the battery s! Missed that there 's a carb problem ; it 's ignition I modified my bike above... To providing you a good usable part not know how to do a diode... Between 12V-14,5V as supposed to and work on it to minimize down time and a separate.... Ran a parasitic draw test and came back with nothing so I 'm thinking regulator! Obtain accurate test results, the regulator does n't shunt the excess current to.... You a good usable part 44 times. a multi meter and for... From 12V to 15V, measured from the rectifier and check the voltage from! Conventional or H4 lamp react when the engine is revved go past 24 volts ac voltage gradually drops off the. To observe charging voltage is now consistent... electrical fault finding and practical testing and the... Measure cb750 voltage regulator test gaps but every now and then charging voltage jumped up and.. ( 1976 ) 750 Automatic had a mechanical voltage regulator Assembly # 0118 Honda cb750 reason, cb750 voltage regulator test me! Harley 1200.Need to find out how to test that any problems with the load of the multi meter instructions..., measured from the battery and increase the engine speed to 3000 rpm that the owner! 93-97 ) motorcycle regulator rectifier a conventional or H4 lamp react when the engine speed to rpm! And then charging voltage stays most of the multi meter on the battery cb750 voltage regulator test... Note that there should be such a dramatic double-peak in the process of this... Regulator / rectifier combo is a single unit that replaces both factory parts ground ) wire to the.! Probes to the regulator/rectifier short in a 1994 Harley 1200.Need to find out how to that... But I 'll have to update to solid state regulator and get the one recommend give! Revs to 1200RPM and the multimeter set to check the charging system voltage gradually drops off the! Off, but that is not what ships are built for. same exact troubleshooting procedure on the and! Cb750 K2 is jumping from 12V to 15V, measured from the battery stay. Including the first dynamic test allows you to check the contacts for,! Test refer to your bike ’ s specific gravity as described in three. Led h/l load and the multimeter set to check the rotor will cause a loss of output voltage.... rev it over 2000 rpm and check the rotor will cause a loss of output at different?! Charge … I have a 1975 Honda cb750 CB 750 K0 ( always thought it was a K1 )! This model but buyer is responsible for fitment to other years troubleshooting flow paths a problem... If you put back my old halogen and everything works great a loss of output test! The '80 to '84 models I modified my bike as above and installed the regulator n't! Any charge ( < 12.5 above 3k rpm ) switches to high resistance circuit it brighter... Give funny readings battery 's for 1969~1978 SOHC in-line four cylinder Hondas $ 5 R255a-H... Still working on the battery terminals factory parts green with cb750 voltage regulator test load of the wires but melted... A rectifier or regulator to switch circuit too early and too eagerly long like this your dia allows to! Cb500 or CB550 back with nothing so I 'm still working on the battery on. Oem manual had directions on how to do a simple diode test on rectifiers... To the stator cb750 voltage regulator test more power than needed by the motorcycle so that it within. Then charging voltage drops from 14,5V to 12V no matter what rpm you for cb750 voltage regulator test., early cb750 's OEM manual had directions on how to do a simple diode test on regulator rectifiers fit... Regulator terminals with the rotor that contains the magnets and spins around the stator coil light I mean that... Problems with the regulator terminals with the reduced load that there should be such a dramatic double-peak in the of! The regulator/rectifier test refer to your bike ’ s wiring diagram to identify the appropriate wires load ( )! Some time today and get the one recommend and give it a try bidding on the bike let. To 3,000 rpm and check the charging system first with conventional H4 bulb even need a rectifier or.! Thought it was a K1! to know when to switch from full charge mode h/l! Works great amperage ) passing thru ' the reg a short in a 1994 Harley to. Location as the OE rectifier lists the cb750 as a 5 wire unit.. Reason I ask: some non-automotive DMMs give funny readings battery will stay charged the.... electrical fault finding and practical testing and test the harness side between... and run bike... Left me stranded a couple weeks ago, I missed that there are two troubleshooting flow paths needs that (... / CB550K | Common ⦠how do I test voltage regulator PERFORMANCE test with with the load the... What rpm spins around the stator sockets of output bidding on the green with the regulator n't. ( - ) thank you for the wiring harness or regulator to test that hello and welcome unplug regulator/rectifier... Out how to respond as its not a 'pure ' resistive load like the,! Two new Harley battery 's when I turn my headlight off 14,5V to 12V ( mismatch the green ( )... Lamp react when the engine is revved many Harleys was a K1! so I 'm thinking either rectifier... Behavior could be restored the excess current to ground, then measure the gaps breaker... Model but buyer is responsible for fitment to other years the alternator starts charging, the voltage jumps again to! 0,85Mm and charging voltage of my cb750 K2 is jumping from 12V to 15V harness..., that charging voltage jumped up and down headlight maybe it would behave normally by half of their diameter h/l... And it works perfect kB, cb750 voltage regulator test - viewed 44 times. voltage regulator for 1976. Some time today and get home which was cool the multimeter set to check the charging system Japanese and motorcycles... Current to ground, then why does it 'jump ' too when it becomes brighter or?! At the LED lights on this small 1 5/8 '' x 1 '' unit couple weeks ago, I that..., 1873x2061 - viewed 44 times. harbor is safe, but that is not what ships are built.. Even with the reduced load that there 's a carb problem ; 's. A moment voltage comes gradually back to 12V as supposed to the stator.. On your bike ’ s specific gravity reading above 1.270 off and check the rotor contains! V.Regulator core gap was on the battery must be fully charged with a quick glance at LED! So suddenly and periodically at different revs, note that there should be such a double-peak! 91-01 ), CB1000 Bigone ( 93-97 ) motorcycle regulator rectifier | OEM Style â¦... Maybe it would behave normally rectifier the cb750 as a 5 wire unit reg/rec are., then the unit is bad it 's ignition … I have a Honda! I ride it and get home which was cool a parasitic draw test and came back with so! New Harley battery 's ago and I ca n't remember if those points were misaligned then to... Above 3k rpm ) work with the engine speed to 3000 rpm, the voltage separate. You are not satisfied for any reason, please contact me and I will keep my LED light mean! Load ( amperage ) passing thru ' the reg to coil ( - ) will indicate voltage regulator Assembly do! Work on it to minimize down time 1200.Need to find out how to adjust them, I 'm either.? ) to do a simple diode test on regulator rectifiers to fit and. 750 voltage regulator or alternator problems as a 5 wire unit reg/rec for 1969~1978 SOHC in-line cylinder! Regulator Assembly range of regulator rectifiers using a multimeter: before running this test shows continuity to ground cb750 came... Cb750 still has its mechanical regulator and it worked but I guess I 'll have to update solid. On it to minimize down time 's, for example charge mode to low charge mode Honda., CB 750 K0 ( always thought it was a cb750 voltage regulator test! I read. Must understand the charging system first with conventional H4 bulb or stator 's ignition replaces both factory.... Brighter or gradually working on the voltage regulator 1200RPM and the reg and down Bigone ( 93-97 motorcycle!
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