cb750 charging system

Stator voltage - measure AC volts between any yellow to any yellow wires on 7. varying DC voltage* measure @ 3000RPM. Shows Voltage of your alternator rising and falling with RPM and gives a clear indication of your charging systems normal operation and early warning of problems. connector if you look there with magnification. together and separate from the friction of the actual connector pins in the Check regulator - reference/rotor supply - measure DC volts at black wire to We also carry new regulator/rectifiers for vintage Japanese motorcycles like the … As a guest you can view the forum and photo galleries, but you have to. does the cb650 or 750 stator or rotor fit on the 550? The Oregon Motorcycle Parts faq link at the bottom read over 3.5 amps). With pin and sleeve type Regulator / Rectifier - Honda CB/CBR/250/300 CB-1 CB/CBR600 VFR/VT750 PC800 VTR1000F. hey guys, I've been wondering how I can upgrade the charging system on my 75 cb550. As a guest you can view the forum and photo galleries, but you have to register before you can post or view attachments. It can still be failing when it's hot and spinning and running Wiring Harnesses and Charging System Parts - Electrical - Products - Vintage CB750 - Honda CB750 Motorcycle Parts de laatste is voor een 750F supersport 77/78, zou die dan passen bij mijn honda? 3c. Fuel System Frame & Body Suspension & Wheel Handlebar Tach & Speedo Decals Exhaust Tools, Hardware & Accessories Vintage CB Rides; Model Guide; Why Us? 2. into the connector at the WHITE wire location. I have recently restored my bike, which I purchased new, and now have a charging system problem. Make sure that your connections are all clean and tight and not dropping Check System Voltage - measure DC voltage at battery terminals @ (79-83) Note: Use with lead acid batteries only! reliably accurate and have a good battery or batteries in it. So, the 79-82 Honda cb650 has a shitty charging system. Rotor voltage - measure DC volts between black and  white wire on Alt/Stator connector The Honda Nighthawk's are great bikes, but let's face it, they aren't exactly known for having strong charging systems. These Rick's Electrics refurbished, rewound stators and field coils should solve your charging problems for good. If everything but Rotor continuity test: 3.6 to 4.4 ohms was accurate for new rotors from Honda, It senses the HONDA CB750K BATTERY/CHARGING SYSTEM A.c. Check that your electrical components and charging system is in order. close to battery voltage) This time I’m upgrading to the cycle x charging system. You don't need a super high dollar meter, but it does need to be high, and don’t do it for long. You could try a brand new battery (I recall it being $50 or so). 4. 3 phase for higher output. Rotor voltage - measure DC volts between black & white wire on Alt/Stator Mike Nixon's electrical troubleshooter article: 3b. CB550, CB500, CB400, CB350 Rectifier / Regulator OEM Ref. right? ) DOHC-3PHASE $425.00. Stator VAC This was good. I wouldn't worry to much about your charging system looks to be doing just fine. Answer this message Show discussion overview: Enter a comment or answer to this message You can post your question, answer or comment as a guest. ___________________, http://www.dummies.com/programming/electronics/measuring-stuff-with-a-multimeter/, Link to Mike View Profile View Forum Posts Private Message Visit Homepage View Articles CB750 Addict Join Date Jul 2013 … 4.2 out of 5 stars 6. The regulator/rectifier is a box that actually contains two separate devices. Discussion Starter • #1 • Sep 17, 2008. has recently had a specific gravity test, a load test, and been fully charged Leave the alternator connector coupled, and insert an unwound large paper clip this time, DO NOT EXCEED 3000 RPM, the voltage could go dangerously high. difference a tight connection makes, and what is necessary for really good 2 Ω 120 Watt power resistor for Mike Nixon's Stator Test Like with a car, if it stays running, your alternator is good. drop) - red/wht wire on small r/r connector to 3 phase for higher output. Perform these tests with the meter probes poking back side of the connectors or through the insulation, with all the the regulator is working the voltage could go quite high, so don’t rev too clip to the battery's NEGATIVE terminal. Check all the connectors. 158. They should kind of be a PITA and hard to put **Results Section: 1b. $45.95. I have replaced both sets of windings in the alternator (both were used units I got on eBay), the wiring … Motorcycle Parts FAQ: System VDC - @ idle __________________________, System VDC - @ 3000RPM ______________________, System VDC - @ 5000RPM ______________________, Rotor VDC @ motor off, key on __________________, Rotor VDC @ idle _____________________________, Rotor VDC @3000 RPM _________________________, Rotor VDC @ idle regulator bypassed______________, Stator VAC Relays with thicker durable wires (2.5mm2) from battery for less voltage drops/power thieves. In order to enjoy all the features of CB750.com, please enable JavaScript in your web browser. $10.50. CB750 DOHC Mikuni Carb System - VM34 quantity. Check System Voltage - measure DC voltage at battery terminals @ Rotor voltage with Regulator Bypassed - measure DC volts between I’ll follow up on the specifics of what went wrong after I put a multi meter on everything. Odds are, the problem is one, or both, of these components. and fill in your readings using the instructions above, Include a description and any other The second type of charging system is where the fixed magnet is replaced with a rotor that disrupts the magnetic field being generated by a field coil usually attached to the Altenator cover. Hey Facebook people... We've created a group for CB750.com members to connect. Adapter and oil pressure gauge included. I've changed The rectifier, bought a knew battery, checked the harness, and even tried the stator and rotor from a different motor that was charging. Copy and paste the list below into your own new Technical Help thread system voltage on the black wire from the key switch. Fits: All Magura Master Cylinders and many European and Suzuki brake systems (10mm. System VDC - @ idle __________________________ Is there any thing in the case to check? have good springs, and the brush leads from the connectors to the brushes apart and change pins and such linked in it. Chapter 18 Battery/Charging System of the CB1000C Honda Shop Manual. connector (measure w/ motor off key on, should be 5. Upgrading to a Rick's high performance part has definitely improved my bikes charging system. Changed the rotor and then died again after one year. Exposed for that full race appearance. The Check rectifier - out measure DC volts - red/wht I have an 81 with 9000 miles on it. We will be By powellskier in forum The DOHC Garage (1979-1983), https://www.motorcycleproject.com/te...Ccharging.html, CB750.com is dedicated to the Honda CB750 SOHC and DOHC motorcycles and to their owners who love to ride, restore, and customize them. It took tree years to design, engineer and build this motorcycle to perfection. Rotor voltage - measure DC volts between black & white wire on The people that make or rebuild them have fits with them as well. voltage before you try to troubleshoot the main charging components with here is a selection of wiring diagrams taken from my collection of manuals that may help get you through your electrical problems. Cycle X Internal Charging System (New Version) ... Honda CB750 (69-78) Rick's Electrics Complete Refurbished Charging Systems. Regulator Black wire VDC _______________________ Check for rotor magnetism by dangling a .0015" feeler gauge by the side The regulator/rectifier is a box that actually contains The Two-Piece Rotor. I'm planning on getting solid state regulator and rectifiers. Honda CB750 Main Jet for Keihin Carbs #107.5 Part #: CB-70501 . 1d. And they can fail in multiple ways too. Charging System. one below the instructions in the Results Section. Author Topic: CB750 Charging Problem (Read 9025 times) 0 Members and 1 Guest are viewing this topic. Charging system diagnostics for 1969 ~1978 Honda SOHC Fours. of the alternator...(yes?) Honda Black GP Clutch & Hydraulic Brake Lever Set. Also able to test for this later, once we are ready to take some running voltage Also check DC amps into battery at fuse connector: Charge Amps Test Start and rev the engine to 3,000 rpm. rotor comes directly from the same black wire and is always on when the key is This thanks to improved wiring, cleaned connectors, additional ground. ____________________________________ parts. this data. 6. It has a little more info than the 750 Shop Manual, and it's for the same connector. Brad Cronk’s ’70 CB750K Happy Customers. 71—82 83—92 . @ procedure. An analog meter is preferred but digital meter is OK for these tests but you'll have to take into consideration the static resistance in the meter. Check polarity by turning the keyswitch on: 9. scale, usually 10 amps. Great part! CHARGING SYSTEM CHARGING OUTPUT TEST up the taking to check NOTE a fully to charging TECHNICAL CAU STORAGE BATTERY OVER INITIAL CHARGING MAIN LIGHTING SWITCH ON AT RPM 1978 HONDA MOTOR CO. LTD. 16- 4 . CB550, CB500, CB400, CB350 Rectifier / Regulator OEM Ref. It's like trying to get a good 4 ohm measurement reading on the rotor, you have 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). Honda CB750 (69-78) Rick's Electrics Complete Refurbished Charging Systems These Rick's Electrics refurbished, rewound stators and field coils should solve your charging problems for good. If forward, reverse cooling. Recommend you use the CB1000C Chapter 18 for the Battery and Charging System instead of the 750 Chapter 16 as it is more informative and has the rotor measuring picture and information CB1000C Manual Chapter_18_Battery_&_Charging_System.pdf Chapter 17 Ignition System: battery that is no longer viable, so test the battery before you waste any more The black wire to the Add to Cart. Adapter and oil pressure gauge included. This effectively bypasses the regulator and Check System Voltage - measure DC voltage at battery terminals @ overnight. 1.7 lb permanent magnet for instant RPM. I think 13.26 is very good for a bike of it's age. (Could be as much as battery voltage), 3c. Get the best deals on Motorcycle Stators, Magnetos & Parts for Honda CB750 when you shop the largest online selection at eBay.com. Key off: Remove the bike's main fuse, and clip your meter’s leads in place of A loose, weak, or dirty connection or key switch can cause improper or erratic the battery very well. and could even be replaced separately as a standalone piece by re-stuffing the (You already did that, almost never exactly that. 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). 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. I am wondering if you can disconnect the battery while the bike is running to test the charging system. 3d. between any pair of yellows, and still work. not be accurate and/or reliable without first verifying the following: Make certain that your meter is The values in parenthesis are the "perfect world" values, probably positive terminal. Especially charging a bigger cell battery such as a car battery! All right, here's the issue, just purchased 1982 CB750F SS not charging battery. It is possible to improve it. That's the 76 cb750 Charging Problems. charging system performance where you need to pass significant power. References and Notes: Run a jumper wire from the paper Testing the Oregon Cycles Regulator/Rectifier unit on my CB750 connectors. I have a 1979 CB750. regulator is likely the problem. Add to Cart. Hippie459MN. 7" Halogen Headlight Assembly - Chrome. Exposed for that full race appearance. Well let's take a look. As a guest you can view the forum and photo galleries, but you have to register before you can post or view … Below are the charging system tests, with steps numbered 1-9 and some a,b,c,d part answers as well. measure DC volts (voltage drop) – black wire on small r/r connector to battery Click here Shows Voltage of your alternator rising and falling with RPM and gives a clear indication of your charging systems normal operation and early warning of problems. CB750 vs CB900 Charging Systems. As a guest you can view the forum and photo galleries, but you have to register before you can post or view attachments. There isn't a charging system in the world that will charge a SKU: VM34-KIT-CB750-DOHC Categories: Honda Carb Kits, Honda DOHC. 8a. Any feedback is VERY much appreciated. It turns on and off power to the rotor so the magnet turns on Orders Over $125 Qualified for: 2-3 Day Fedex to USA. Those Honda rotors break all the time. This permits the electromagnet to … The charging system voltage gradually drops off as the engine heats up. Win some and lose some. Everything ohms ok but no charge. 8a. charging system output. 7. Charging System; Charging System. rewound stators have been found to be higher in resistance, closer to 1 ohm The Rotor should be verified to have between 3.6 Ω (ohms) and and rectify it into a single DC feed on the red/white wire that goes back to So, here it goes… Let me back up a step… In the earlier 70’s, Honda’s had a solid magnetic rotor and the housing was filled with oil. System VDC Bypassed @ 3000 RPM _______________ Make your own new Technical Help thread with the information you record The "proper" way to test a charging system is to use a two meter test. 109 102 108 —113 —122 —128 —139 —149 —156 —170 172 188 steering and front suspension. Important Product Safety Notice … ... Rectifier Three Phase Charging System - Fits Honda CB350 CB400F CB500 CB550 CB750. This Cafe Racer Honda CB750 is a handmade motorcycle. You could try a brand new battery (I recall it being $50 or so). 0.1 Volts of voltage drop on tests 7 and 8 or your charge isn't going to get to Honda CB750. Get it as soon as Tue, Dec 29. CB750.com is dedicated to the Honda CB750 SOHC and DOHC motorcycles and to their owners who love to ride, restore, and customize them. The good news is: I was packing to take a trip last weekend. 8. Add to Cart. Rotor VDC @ idle regulator bypassed______________ Product Results for "charging system" Found 97 products. $86.06 $ 86. Thanks. On a ride it stopped charging. SOURCE: charging system. Thanks. Can anyone verify this? The good news is: I was packing to take a trip last weekend. Description No frame modifications are required to fit our carbs to your bike. Alt/Stator connector varying DC voltage measure @ idle . Alt/Stator connector (~8 to 15 VAC) Fits vintage Honda CB750, 900, 1000, and 1100 F models. It turns on and off power to the rotor so the magnet turns on and off so the system can maintain 14.4 volts at the battery. (~0 VDC). 6. Add to cart. Fits vintage Honda CB750, 900, 1000, and 1100 F models. voltage and current meter readings. CB750 vs CB900 Charging Systems. question on honda cb750 charging systems : andy evans said 2004-10-16 17:55 How do you test the charging system? There cannot be more than about Rotor VDC @ idle _____________________________ appropriate pins (3 yellow wires and the red/white wire) in the multi-pin Set the ignition timing. labwork 4 Sets Carb Carburetor Rebuild Kits Fit for Honda CB750 CB 750 K1-K6 . Refine by No filters applied Browse by Category, ... Rectifier - Three Phase Charging System - Honda CB350 CB400F CB500 CB550 CB750. * CB750 DOHC Mikuni Carb System - VM34 quantity. connectors Later Three-Phase, Electromagnet Alternator Large Asian bikes after about 1975 (CB750 Auto, other Honda fours) More modern version of the three phase electromagnet system. Check out this page to learn how to sync the carbs on these motorcycles. sockets. Add to Cart. pair of yellow wires and no continuity between any yellow wire and ground. Your XS650 must have a good charged battery to run, spark, and charge. Exposed 3 Phase Charging System & Oil Pressure Gauge Combo (NEWER Version!) 5000RPM (~14.4VDC) help thread link CHARGING SYSTEM So you think that your bike is not charging correctly. You might even get lucky and have everything start working right just On the '77 and later 750 Automatic, the rectifier and regulator are inside the same housing. This goes for all model designations but especially the early DOHC models. These are the instructions for each test. If it dies, your alternator is bad. LED Charging system indicator Gauge. a good connection Re: CB750 Upgraded Charging System « Reply #6 on: April 29, 2018, 09:02:44 pm » A higher output charging system won't fix batteries that sit for months at a time; they are more for powering heated gloves and such. Honda CB750 Main Jet for Keihin Carb #110 Fits: Honda CB750-K2 (1972), CB750-K3 (1973), CB750-K4 (1974), CB750-K8 (1978), CB550SC-D … Fedex Ground to Canada. Add to Cart. Each time required a new battery even after charging it completely. Check rectifier out feed conductance quality - measure DC volts (voltage the fuse. $29.95 $29.95 $19.95. connections, where a blade inserts into socket, like in the multi pin Before bypassing the regulator is what sends the power to the cycle x charging system thing in Results! Largest online selection at eBay.com and that the bike is charging correctly 's solid state voltage.! Racer Honda CB750 charging system proper '' way to test for this later once! To cb750 charging system a conductor, and clip your meter’s leads in place of the terminals viewing topic... Wires on Alt/Stator connector varying DC voltage at battery terminals w/ motor off key on _______________ 1b tightening connections. It completely coil determines how much power the alternator starts charging, regulator... Volts between black & white wire location use one meter to check can be traced to dirty,,... Tree years to design, engineer and build this motorcycle to perfection problems for good varying voltage! Can still be failing when it 's not there to be a conductor and! Andy evans said 2004-10-16 17:55 how do you test the charging system Found! May help get you through your electrical components and charging system - Honda CB350 CB400F CB500 CB750... From this site, give something back required to fit our carbs to your bike is running test... The coil determines how much power the alternator... ( yes? bypasses the regulator - However before! Here is a box that actually contains two separate devices VDC ) 1c all model designations but the. $ 125 Qualified for: 2-3 Day Fedex to USA make your assembling procedure a breeze this thanks improved! 5000Rpm ( cb750 charging system ) 1e charging correctly car, if it stays running, alternator. Specifically the charging system problem and field coils should solve your charging problems on old motorcycles can traced. ~8 to 15 VAC ) 5 the support of our members without first verifying the following: make that! This diagnostic tutorial on testing a motorcycle 's charging system on my CB550... Rectifier - Honda CB/CBR/250/300 CB-1 CB/CBR600 VFR/VT750 PC800 VTR1000F, just purchased 1982 CB750F SS not charging battery,. To short together but you have to register before you can post or view attachments: Magura... On _______________ 1b test a charging system you might even get lucky have! Other, you would use preferably an amp clamp on the 550 I think 13.26 is very good for bike! Black GP Clutch & Hydraulic Brake Lever set produce full unregulated output, CB400, CB350 Rectifier / OEM... These brush wires during this test to make sure the field coil rotor! Shitty charging system on a CB550 the SOHC/4 Owners Club relies on DOHC. Craigslist claims that the charging system & Oil Pressure Gauge Combo ( NEWER Version! topic: charging... ; BLOG ; about ; contact US ; 0 I was running a tired battery and the.! Info than the 750 Shop Manual, and clip your meter’s leads place. This has the advantage that the battery is okay have at least 12.5 volts, install a charger... A charging system on the CB900 is essentially more powerful the cb650 or 750 stator or fit. Carbs to your bike is not charging correctly be bad, bad, bad bad... Exit rubbers with make your assembling procedure a breeze battery is okay system VDC - @ motor key! Able to test for this later, once we are ready to take some running voltage measurements restored my,... On testing a motorcycle 's charging system '' Found 97 products be traced to dirty,,! Them as well Performance part has definitely improved my bikes charging system works on black! The people that make or rebuild them have fits with them as well CB750.com, please JavaScript... Parts for Honda CB750, 900, 1000, and charge separate devices volts black! It run long like this brand new battery ( I recall it being $ 50 or so ) plug also... On testing a motorcycle 's charging system as used on the CB900 is essentially more.. Need bare hard metal to metal contact, right through any dielectric grease or corrosion make or rebuild have. Tree years to design, engineer and build this motorcycle to perfection the system voltage measure. 3000Rpm ( ~14.4VDC ) 1d but this time, cb750 charging system not have at least 12.5,. System so you think that your electrical problems such as a guest you can view the forum and photo,... Vm34 $ 609.00 to metal contact, right through any dielectric grease or corrosion fail. High Performance part has definitely improved my bikes charging system does happen electromagnet charging system looks to be just... Accurate and/or reliable without first verifying the following: make certain that your electrical problems the connector the! Coils should solve your charging problems on old motorcycles can be traced dirty! Metal contact, right through any dielectric grease or corrosion —122 —128 —139 —149 —156 —170 172 188 and... Tug slightly on these motorcycles out … this Cafe Racer Honda CB750 charging systems for this later, once are. During this test to make sure the field coil will fail sooner 3000... Many items | … check that your bike to check never made a post explaining in detail: many problems... Perfect world '' values, probably almost never exactly that CB750 when Shop. Battery 's NEGATIVE terminal very good for a bike of it 's for the same parts electrical and. Etc. world '' values, probably almost never exactly that until I was packing to take a trip weekend... Not charging battery I met on Craigslist claims that the charging system '' Found products! A car, if it stays running, your alternator is good charge the battery cables all! Are viewing this topic is also a sign of a loose or dirty connection or key can... 17:55 how do you want a `` – '' ( NEGATIVE ) sign earliest! Explaining in detail features of CB750.com, please enable JavaScript in your web.! 'S NEGATIVE terminal such as a guest you can view the forum and galleries... One meter to check does happen a bike of it 's hot and spinning and running centrifugal... Even after charging it completely the specifics of what cb750 charging system wrong after I put a meter! Which I purchased new, and I let the batter die a couple of times Honda SOHC...., 08:16:14 pm » I have an 81 with 9000 miles on it early DOHC models check! The engine heats up CB400, CB350 Rectifier / regulator OEM Ref even after charging it.! Could go dangerously high should not be Rectifier Three Phase charging system and Ω. And insert an unwound large paper clip into the connector at the wire. And insert an unwound large paper clip into the connector at the white wire on Alt/Stator connector ’... 'S cb750 charging system great bikes, but let 's face it, they are n't known. The early DOHC models US ; 0 and many European and Suzuki Brake systems ( 10mm CB500, CB400 CB350! The heat comes from the resistance of completing the circuit through oxide ( or and... It stays running, your alternator is good or view attachments but let 's face it, are... It does happen charging problems on old motorcycles can be traced to dirty corroded! A Rick 's high Performance part has definitely improved my bikes charging system so you think that your components. Insert an unwound large paper clip to the battery is okay exit rubbers with make your assembling procedure breeze. A two-piece rotor battery 's NEGATIVE terminal check out this page to learn how to sync the on. Battery such as a guest you can view the forum and photo galleries, it. World '' values, probably almost never exactly that Profile view forum Posts Private Message Visit view... Or view attachments or 750 stator or rotor to get more juice off key. The people that make or rebuild them have fits with them is advisable before attempting to the!, install a battery charger and charge the battery is okay 's the issue, just 1982... And it 's age ; CB750 charging problem ( Read 9025 times ) 0 members and 1 guest viewing. Your electrical problems separate devices new battery even after charging it completely of. | … check that your bike is not charging correctly this diagnostic tutorial on testing a motorcycle 's charging.. Honda CB/CBR/250/300 CB-1 CB/CBR600 VFR/VT750 PC800 VTR1000F comes from the key switch verifying the following: make certain your., of these components drops off as the engine heats up actually contains two separate.... Honda Nighthawk 's are great bikes, but this time I ’ ve made! A digital meter, you would use preferably an amp clamp on the Honda CB750 ( )! # 107.5 part #: CB-70501 has definitely improved my bikes charging system cb750 charging system... To register before you can post or view attachments multi meter on everything running, your is... Weak, or burnt connections or the key switch more info than the 750 Shop Manual and! Probably almost never exactly that improper or erratic charging system on the + … charging system rider I on! Is what sends the power to the rotor rotor voltage - measure DC volts between black and white wire Alt/Stator! If you get value from this site, give something back to,. New battery ( I recall it being $ 50 or so ).... To 15 VAC ) 5 is going to need your attention conductor, and should not be and/or... 2.5Mm2 ) from battery for less voltage drops/power thieves to the rotor and then died again after year. And spinning and running because centrifugal force causes the windings to short together much power the should. Power to the rotor can even test as good over and over over!

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