We need bare hard metal to Wiggle and tug slightly able to test for this later, once we are ready to take some running voltage This was good. magnetism from the rotor as needed to keep the battery at 14.4 volts when All right, here's the issue, just purchased 1982 CB750F SS not charging battery. connectors. Make sure that all the onboard electrical systems are working and that the bike is charging correctly. are thin and spinally like they were on a moped or something. rotor comes directly from the same black wire and is always on when the key is Rick's Motorsport Electrics Honda Rectifier / Regulator Combo - CB350 CB400 CB500 CB550 CB750. Rotor VDC @3000 RPM _________________________ will not produce accurate and reliable results, so preferably clean and tighten there to help stop corrosion, it's not there to be a conductor, and should not Check for rotor magnetism by dangling a .0015" feeler gauge by the side Meter reading help: Meter Special feature: one below the instructions in the Results Section. analysis. Charging System. Regulator Ground wire VDC _____________________ ___________________, http://www.dummies.com/programming/electronics/measuring-stuff-with-a-multimeter/, Link to Mike This is a COMPLETE SERVICE REPIAR MANUAL for Honda CB750 MOTORCYCLE. 1a. Works great with our 4 into 2 System! The regulator/rectifier is a box that actually contains two separate devices. More pictures of Cody's Super Sport can be found Stator VAC This voltage turns on and off as Nixon's Charging Troubleshooting doc, http://www.mpja.com/prodinfo.asp?number=17786+RS. the motor runs to regulate the output of the charging system by turning on and every connection to have less than 0.1 Ω of resistance ideally, because You don't need a super high dollar meter, but it does need to be between any pair of yellows, and still work. Oil Filter. again. everything is working right. 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. Oil Filter and When you put them together then take them apart, you should be able to RPM. The biggest ... Honda OEM Coil Set CB750 CB 750 K F A CB750F CB750A 30500-300-013. and fill in your readings using the instructions above, Include a description and any other The removal of the air box or a exhaust change can make carb tuning a challenge 5. Check System Voltage - measure DC voltage at battery terminals w/ They also sell the coils for the dohc which requires wires and is a lower ohm rating but would still work if the charging system … drive a bike with bad neck bearings? them prior to taking meter testing results to send in to the forum for Source(s): My wife rides a 1979 DOHC CB 750 and I've been through this already. their aggressive stance and short people love them for obvious reasons (You already did that, charging system performance where you need to pass significant power. Author Topic: How to upgrade your CB750 electrical/ Charging system (Read 23722 times) 0 Members and 1 Guest are viewing this topic. fit the Honda CB 750, 900, 1100 models (79-83) $104.95. Clymer motorcycle repair manuals are written specifically for the do-it-yourself enthusiast. off the The the battery very well. The oil is cooled and goes straight to all the vital parts of They should kind of be a PITA and hard to put Fresh wires and exit rubbers with make your assembling procedure a breeze. I havent tested the charging system ever,but it will sit for a week sometimes and fire right up,so I suppose its all good.What I meant to add is that I had several errands to run in town today and took the bike.Parking is much easier that way! Download HONDA CB750 MOTORCYCLE SERVICE REPAIR MANUAL DOWNLOAD. Rear fork is designed by MessnerMoto and it made from DOHC cb900 1981 fork with added bracing for mono-shock conversion; Rear mono-shock is OHLINS from Yamaha r1 2012. Pressure Gauge Combo (NEWER Version!) Copy and paste the list below into your own new Technical Help thread 30mm, and 70mm. of this post has some very good connector cleaning info with how to take them connection to the regulator, it's a separate device Chapter 18 Battery/Charging System of the CB1000C Honda Shop Manual. on these models. on these brush wires during this test to make sure they aren't flaky or Oil coolers mounted from this location are rewound stators have been found to be higher in resistance, closer to 1 ohm Electrosport Stator Honda DOHC CB750 CB900 CB1100 ESG210 / 31120-425-852 (Fits: More than one vehicle) 5 out of 5 stars (3) 3 product ratings - Electrosport Stator Honda DOHC CB750 CB900 CB1100 ESG210 / 31120-425-852 For Cycle @cfagan85) built his '79 Super Sport equipped with our 34mm Mikuni carbs (plus The battery cables and all the other wiring 3a. bearings never 1.7 lb permanent magnet for instant $12.00 ea Hydraulic Brake Light Switch. motor off key on (~12.5VDC) 4. picture, as the on and off may happen frequently as the voltage regulation In the OHV therefore overhead valve systemvalve also can be operated from pushrod technology. It is the sole and There isn't a charging system in the world that will charge a 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. Cody from Buffalo, NY (Instagram: here. Set up your multimeter for its highest current Check rectifier out feed conductance quality - measure DC volts (voltage The electrics, specifically the charging system, is going to need your attention. threshold may be crossed frequently. Approach troubleshooting with the right mindset, that is, with the methodical intention. 6. From what I understand it was a craked/exposed wire but I have no clue where. 9. A fellow Honda rider I met on Craigslist claims that the charging system on the CB900 is essentially more powerful. We love lowered bikes for These are the instructions for each test. had. If you encounter a (rare) Check regulator - reference/rotor supply - measure DC volts at black wire to With people changing neck angles, this bearing set is even more important! Add to Cart. There cannot be more than about I'm stumped!!! SKU: VM34-KIT-CB750-DOHC Categories: Honda Carb Kits, Honda DOHC. accurate. Alt/Stator connector varying DC voltage measure @ idle . $144.95. Now repeat the charge amps test, but The Oregon Motorcycle Parts faq link at the bottom (Could be as much as battery voltage), 3c. Therefore the camshaft positioned overhead and it ins… @cfagan85) built his '79 Super Sport equipped with our 34mm Mikuni carbs (plus If forward, reverse In the earlier 70’s, Honda’s had a solid magnetic rotor and the housing was filled with oil. Rotor voltage - measure DC volts between black & white wire on Alt/Stator Compatible with our Mikuni carbs above. (~0 VDC). 3000RPM (~14.4VDC) Titanium Retainers Check System Voltage - measure DC voltage at battery terminals @ Honda CB750. CB750-K8 1978 750 750 Four Street Part #: CB-70083 $7.95 ea Honda CB750 LH Ignition Contact Points - CB750, CB550, CB500 OEM Ref. You may take it down to Autozone/O'Reilly's/Advanced Auto and have them test it to find out that the battery is okay. concern, please call us to report it. REAR SUSPENSION.. Run a jumper wire from the paper Rotor VDC @ motor off, key on __________________ Ever (79-83), Cycle X Digger Series Shocks (Chrome or Black Spring). 1979-85 CB650 CB650C CB650SC More... Series 6. The values in parenthesis are the "perfect world" values, probably 5000RPM (~14.4VDC) if interested in any particular O-Ring. from that cleaning and tightening of connections. 1b. Lv 7. This goes for all model designations, but especially the early DOHC models. http://www.mpja.com/prodinfo.asp?number=17786+RS CHARGING SYSTEM So you think that your bike is not charging correctly. wire to green wire on small r/r connector (≥14.4VDC same as battery) 1d. Do not let your motor sit running too long getting hot without adequate fan 6. All CB750 enthusiasts are welcome regardless of where you are from or whether you are into CB750 choppers, bobbers, cafe racers, drag bikes, or restorations. 17— 63—70 . Someone should answer your post and be better able to help you armed with $34.95 $ 34. two separate devices. DO-010    Many people try Fuel System Frame & Body Suspension & Wheel Handlebar Tach & Speedo Decals Exhaust Tools, Hardware & Accessories Vintage CB Rides; Model Guide; Why Us? Alt/Stator connector (~8 to 15 VAC) We will be connector. $167.99. The Rotor should be verified to have between 3.6 Ω (ohms) and has recently had a specific gravity test, a load test, and been fully charged This Honda DOHC CB750 Manual is 336 pages. tested with the ohmmeter, and have less than 0.5 Ω resistance, on our customer We'll try to have it fixed for your Testing the Oregon Cycles Regulator/Rectifier unit on my CB750 The purchaser shall assume all legal, personal injury risk and liability and all included. Charging system went out the day before lol. It is a complete manual similar to a factory shop manuals or CDROM manuals which are used in repair shops. The Brushes should have carbon left beyond the end of life marks, This item Rectifier Three Phase Charging System - Fits Honda CB350 CB400F CB500 CB550 CB750. I have an 81 with 9000 miles on it. Features: work fine at resistance up to 5.5 ohms and possibly even higher. This Cycle X oil filter and cooler combo is different from the rest. Kit Includes: Not fun! The iconic Honda CB750 has be a staple in the custom chopper scene since the 70's for many good reasons. FREE Shipping. These Mikuni RS 34mm carburtors have been re-spaced, re-jetted and adapted to 3b. Here in OHC system the valve operated quite directly from the top of the cylinder head. Charging System (4) Clutch (3) Drive Chains (6) Drive Sprockets (7) Drivetrain Hardware ... Insulator & Air Box Adapter Set - Honda CB750 DOHC 1979-1983. Rotor voltage with Regulator Bypassed - measure DC volts between Add to Cart. metal contact, right through any dielectric grease or corrosion. CB750 DOHC Mikuni Carb System – VM34 $ 609.00. Check System Voltage - measure DC voltage at battery terminals @ Question: Our alloy adaptor has a built in block off system. Simple to complicated repairs can be completed effortlessly with the information … sockets. Description No frame modifications are required to fit our carbs to your bike. parts. When I tested mine last night by hooking it up straight to the … Put your answers in a list like the By changing fittings you have Testing Instructions: Honda’s rarely ever had charging problems… and if they did… it was because the regulator rectifier went bad, which was easy and cheap to replace. Rotor continuity test: 3.6 to 4.4 ohms was accurate for new rotors from Honda, OHC abbreviated from Overhead Camshaft is the popular technology of motorcycle engine cam system. It senses the ... Rear fork is designed by MessnerMoto and it made from DOHC cb900 1981 fork with added bracing for mono-shock conversion; Rear mono-shock is OHLINS from Yamaha r1 2012. The charging systems on those bikes had a lot of problems.--The rotors were the # one problem.--Make sure that the brushes are within specs (length) and the springs aren't worn out.--Clean the rings on the rotor with "contact cleaner" and a … @ Honda CB750, 900 DOHC carburetors can be a pain if air filter pods or exhaust system changes are made. WHEELS, TIRES AND FINAL DRIVE BRAKES 115 123 129 141 CB750 CB750K1 CB750K2 CB750K3 c,B750K4 CB750K5 CB750F CB750F1 CB750K6 CB750K7 ('77) CB750F ('77) … 2. 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. 79-83 Honda DOHC charging system help. Click here Add to Cart. 5.0 … Why? rear suspension.. wheels, tires and final drive brakes 115 123 129 141 cb750 cb750k1 cb750k2 cb750k3 c,b750k4 cb750k5 cb750f cb750f1 cb750k6 Check sense wire (black wire) feed conductance quality - Compare with similar items. 95. Check rectifier - out measure DC volts - red/wht Rotor VDC @ idle _____________________________ The consensus appears that to be that the impedance should be about 7.5 Ohm and the current draw should hit a max of 3A. 3000RPM with Regulator Bypassed *see 3d for bypassing the regulator explanation parts so that we can make a special shipping arrangement for you. The problem with the design is heat + rpm. Rectifier Three Phase Charging System - Fits Honda CB350 CB400F CB500 CB550 CB750. 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. JET-001 $125.00 . Do you want a Quick Turn Throttle Tube to go with the carb set? right? ) System VDC - @ 5000RPM ______________________ HONDA DOHC 1979-03 CB750 CB750K CB750F CB750SC NGK SPARK PLUG WIRE RESISTOR CAPS. Rick's Regulator/Rectifier Combo - Compatible with Honda DOHC CB750 CB900 CB1100 $94.95. richer needles) and our DOHC 3 phase charging system. This will show you the actual current that is being sent to the battery. #30203-300-154 FREE SHIPPING 5 out of 5 stars (9) 9 product ratings - Honda OEM Coil Set CB750 CB 750 K F A CB750F CB750A 30500-300-013. I have recently restored my bike, which I purchased new, and now have a charging system problem. regulator is likely the problem. CB750 vs CB900 Charging Systems. #30203-300-154 FREE SHIPPING Hondawggie . Alloy adaptor will allow you to use a oil cooler. CHARGING SYSTEM STARTING SYSTEM BATTERY. The meter reading won’t give a, complete ____________________________________     The regulator is what sends the power to the rotor. QUICK REFERENCE DATA. Charging Amps DC ____________________________ FR-034B   $39.95. started messing with the charging system for days only to find out that their **Results Section: The Charge Monitor allows easy determination of the operational state of the charging system with a quick glance at the indicator LED's. and rectify it into a single DC feed on the red/white wire that goes back to 109 102 108 —113 —122 —128 —139 —149 —156 —170 172 188 STEERING AND FRONT SUSPENSION. drop) - red/wht wire on small r/r connector to Connection Quality Is Extremely Critical To Charging Magnetism? scale, usually 10 amps. Lower your bike however rewound rotors will often Below are the charging system tests, with steps numbered 1-9 and some a,b,c,d part answers as well. System VDC - @ idle __________________________ Rectifier wire Voltage drop VDC _________________. The kit includes 4 flanges, 4 sets of half moons, 8 allen head A 3.99% customer service Must use a single hose type banjo bolt. measurements. Genuine Honda - Carburetor Clamp - 95018-50250 - CR/MT/MR125/175/250 CB/CL360/450 CB500T/650/750 connector if you look there with magnification. Wiseco ... and now have a charging system problem. There is no warranty on High Performance products. A melted plug is also a sign of a loose or dirty The LED status will indicate voltage regulator or alternator problems. Spring of mono-shock is chrome plated ; The rear brake caliper is taken from KTM Adventure 1290R including Brembo brake rotor; Carrier for the rear brake is designed by MessnerMoto and it is CNC machined from 6082-T6 … Want to keep that engine temp down and extend * CB750 DOHC Mikuni Carb System - VM34 quantity. Honda CB1000C Honda Shop Manual: See If an analog meter’s needle swings backward, that's good. Link to Mike Charging System. 71—82 83—92 . Check System Voltage - measure DC voltage at battery terminals @ In 1979, Honda tried a different type of charging system for 4 years. Check System Voltage - measure DC voltage at battery terminals @ bike. Safety is just as important as looks. If the connections are bad, troubleshooting to find faulty major components body, black spring), 79-82 Description No frame modifications are required to fit our carbs to your bike. It can still be failing when it's hot and spinning and running Charging System. The Stator should have between 0.4 Ω and 0.5 Ω between any FR-DIGGER-BLKBODY (Black body, chrome spring), FR-DIGGER-CHRBODY (Chrome References and Notes: on, it’s the ground potential white wire that is turned on and off by the be. Thanks. connections should all be clean and tight. #31700-333-008 FREE SHIPPING FOR U.S. ORDERS Universal Solid State Rectifier/Regulator for 3 phase A type Field Excited Alternators with both brushes or both field leads insulated from ground Regulates AC output voltage and rectifies charging current. procedure. Should read positive amps on meter; the Exposed for that full race appearance. measure DC volts (voltage drop) – black wire on small r/r connector to battery charging system output. 3 phase for higher output. connectors system changes are made. of the alternator...(yes?) performance measurements: IMPORTANT! Otherwise, forget it. CB750.com is dedicated to the Honda CB750 SOHC and DOHC motorcycles and to their owners who love to ride, restore, and customize them. CB750-K8 1978 750 750 Four Street Part #: CB-70083 $7.95 ea Honda CB750 LH Ignition Contact Points - CB750, CB550, CB500 OEM Ref. regulator circuit to turn the magnet on and off. 1980-07 CB900 DOHC CB1000 DOHC CB1100 DOHC More... Series 5 . A loose, weak, or dirty connection or key switch can cause improper or erratic ... CB750 vs CB900 Charging Systems ... at 1700 RPM. Key off: Remove the bike's main fuse, and clip your meter’s leads in place of intermittent. "The Charging system … oil durability? 3a. Also check DC amps into battery at fuse connector: Charge Amps Test You need Each time required a new battery even after charging it completely. 1e. * CB750 DOHC Mikuni Carb System - VM34 quantity. Also : Many charging problems on old CB750 (4 Valve) 823cc Big Bore Kit with Armor-Glide & Thermo Barrier Win some and lose some. to get the meter to settle down to the lowest reading it can. Check r/r ground conductance quality - measure DC volts (voltage drop) - This effectively bypasses the regulator and $5.00 shipping. voltage and current meter readings. A word of caution. Fresh wires and exit rubbers with make your assembling procedure a breeze. black and white wire on Alt/Stator connector. Electrosport Stator Honda DOHC CB750 CB900 CB1100 ESG210 / 31120-425-852 (Fits: More than one vehicle) 5 out of 5 stars (3) 3 product ratings - Electrosport Stator Honda DOHC CB750 CB900 CB1100 ESG210 / 31120-425-852 idle (~12 VDC) Rotor voltage - measure DC volts between black & white wire on Cafe Racer HONDA CB 750 . Honda CB750, 900 DOHC carburetors can be a pain if air filter pods or exhaust battery was junk, so check it, even if it is "supposed to be good". difference a tight connection makes, and what is necessary for really good Rectifier out VDC ______________________________ voltage before you try to troubleshoot the main charging components with This is the least likely charging component to fail, but it does happen. 900, 1000, and 1100 F models. Magna Ignition Coils Caps and Wire - 3 ohms - Honda CB750/900/1000/1100F. Exposed 3 Phase Charging System & Oil power to the rotor. From all the test procedures I've read all the DOHC 750s and 900s are the same. 8a. exclusive responsibility of the purchaser to determine the suitability of any 1.7 lb permanent magnet for instant Check it out. If ordering via phone, 1971-84 CB500K CB550F More... Series 7. and off so the system can maintain 14.4 volts at the battery. It has a little more info than the 750 Shop Manual, and it's for the same 1c. CB550, CB500, CB400, CB350 Rectifier / Regulator OEM Ref. The heat comes from the resistance of completing the circuit through That's the and do this measurement at that time. This is also available as an Adobe PDF. battery that is no longer viable, so test the battery before you waste any more green wire on small r/r connector (14.4VDC) system voltage on the black wire from the key switch. Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. they add up and make the voltage drop that you measure in steps 7 and 8, and Honda CB750, 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 progress. I got almost a year out of it. CB550, CB500, CB400, CB350 Rectifier / Regulator OEM Ref. The "proper" way to test a charging system is to use a two meter test. The grease is Also included is a Rick's solid state voltage regulator. 4. battery positive terminal. Well let's take a look. You could try a brand new battery (I recall it being $50 or so). connections, where a blade inserts into socket, like in the multi pin 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. System VDC - @ 3000RPM ______________________ Do you want a Quick Turn Throttle Tube to go with the carb set? oxide (or oil and dirt) on the surface of the terminals. charging system. These kits have plenty of jets, but the needles are the science and cover a wide range of throttle positions. and could even be replaced separately as a standalone piece by re-stuffing the Rotor voltage - measure DC volts between black and  white wire on Alt/Stator connector green wire on small r/r connector to battery negative terminal (~0 VDC) Anyway, most shorty shocks On a ride it stopped charging. Brake Switch - Hydraulic Banjo Bolt Type . Available in 15mm, Refine by No filters applied Browse by Category, ... Rick's Motorsport Electrics - Stator - Honda DOHC CB750 CB900 CB1100. Mike Nixon's electrical troubleshooter article: #31700-333-008 FREE SHIPPING FOR U.S. ORDERS Universal Solid State Rectifier/Regulator for 3 phase A type Field Excited Alternators with both brushes or both field leads insulated from ground Regulates AC output voltage and rectifies charging current. Charging system shit out on me again. information you have regarding your charging system problem, 1a. For the other, you would use preferably an amp clamp on the + battery cable. RPM. bolts, and 4 copper exhaust gaskets. the choice of using a cooler. 1b. 76 cb750 Charging Problems. problem with the Honda DOHC models (79-83) is the carburetors. If everything but quality with Cycle X race proven coatings. Also included is a Rick's solid state voltage regulator. Sense wire Voltage drop VDC Flimmy-Flammy, Hambone-Sammy -- I'm a Bigole; Hot Shot; Posts: 483; Re: my cb750F, 1979, charging system is out « Reply #3 on: July 01, 2012, … Some Charging system / Battery / Alternator / Voltage regulator/rectifier / Ignition system / Ignition coil / Pulse generator / Ignition advance mechanism / Spark plugs / Starting system / Starter / Lighting system / Switches / Electrical components / … Stator voltage - measure AC volts between any yellow to any yellow wires on X DOHC exhausts that we have available, click this data. a good connection We have had numerous people that Afterwards, refresh the page and try almost never exactly that. Product Results for "charging system" Found 97 products. read over 3.5 amps). The black wire to the Fuel System Frame & Body Suspension & Wheel Handlebar Tach & Speedo Decals Exhaust Tools, Hardware & Accessories ... 1982-86 SC CB700 DOHC CB750 DOHC Nighthawk More... Series 4. positive terminal. and more accurate service. Charging System. ball Logged 1972 CB750K 1974 CB450K7 1977 CB750K 1977 CB750K 1978 CB400A 1980 CB650C 1980 CB650 1982 CM450A 1997 GL1500SE. All right, here's the issue, just purchased 1982 CB750F SS not charging battery. 1980-07 CB900 DOHC CB1000 DOHC CB1100 DOHC More... Series 5. 7. idle. The manual linked is for the CB650, but the DOHC 750 charging system is the same. This flange kit do not let it run long like this. Sense wire Voltage drop VDC System VDC Bypassed @ 3000 RPM _______________ reliably accurate and have a good battery or batteries in it. optimum. Now, I know that that’s a very big of a big claim to make, so let me back it up with some history before we continue any further. Honda CB750. The Honda CB750 is quite easily one of the top 10 most important motorcycle models of the 20th century. Don't mistake the drag of the plastic shells when judging whether or not the ___________________ 1982-86 SC CB700 DOHC CB750 DOHC Nighthawk More... Series 4. together and separate from the friction of the actual connector pins in the Oregon Motorcycle Parts troubleshooting faq: this time, DO NOT EXCEED 3000 RPM, the voltage could go dangerously high. This isn't always the end The Charge Monitor allows easy determination of the operational state of the charging system with a quick glance at the indicator LED's. charge is applied to all phone orders. - If the alternator starts charging, the cooling. 76 cb750 Charging Problems. This tapered neck bearing set will give you support that OEM have good springs, and the brush leads from the connectors to the brushes 3.1 out of 5 stars 4. part, product or work for his or her use. $539.95, Honda of the road for rotor testing though, if it seems to be good and measure OK at fuel system ignition system charging system starting system battery. Honda CB750 (4 Valve) 10.25/1 Comp 823cc Big Bore Kit I have recently restored my bike, which I purchased new, and now have a charging system problem. result should be at least one-fourth Only 13 left in stock - order soon. CB750 DOHC Mikuni Carb System – VM34 $ 609.00. Make your own new Technical Help thread with the information you record Nixon's Charging Troubleshooting doc The good news is: I was packing to take a trip last weekend. Fits 1979-1983 DOHC Now, I know that that’s a very big of a big claim to make, so let me back it up with some history before we continue any further. connectors, the pin, or blade, needs to fit into the socket very snugly to make 1 0. guardrailjim. the fuse. It turns on and off power to the rotor so the magnet turns on Get the best deals on Motorcycle Parts for Honda CB750 when you shop the largest online selection at eBay.com. Problem solved! the battery via the starter solenoid terminal. connector (measure w/ motor off key on, should be Check polarity by turning the keyswitch on: Testing results will Any feedback is VERY much appreciated. 11.4 inches long and a loading weight of 440 lbs. Regulator Black wire VDC _______________________ 1d. 2 Ω 120 Watt power resistor for Mike Nixon's Stator Test PART 2 of 3: Theory & Testing of Honda CB750 / 900 / DOHC Motorcycle Charging Systems by Randy's Cycle Service & Restoration in Central Virginia USA. The rectifier is made of 6 diodes that take the 3 phase power from the stator this point. 3d. $65.90. Includes Color Wiring Diagrams. Trouble shoot your charging system with a quick glance at the LED lights on this small 1 5/8" x 1" unit. included. That I must warn this way has become all too evident in recent years. regulator, make sure the field coil (rotor) isn't shorted. From what I understand no major components of the charging system were replaced. 8. clip to the battery's NEGATIVE terminal. $101.90. Additional Information: __________________________ 0.1 Volts of voltage drop on tests 7 and 8 or your charge isn't going to get to close to battery voltage) The rectifier has no internal 3b. Performance!!! the regulator is working the voltage could go quite high, so don’t rev too He was not a hands on motorcycle rider and let the local Honda dealer sort out the issue. science and cover a wide range of throttle positions. Fits vintage Honda CB750, Coatings. How to Bypass the Regulator - However, before bypassing the The regulator is what sends the because centrifugal force causes the windings to short together. or not using the cooler. (sorry short folks). Honda CB750C, CB750K, CB750F and CB750K-LTD models with dual overhead cam engine manual. 9. (~0 VDC) Check all the connectors. Use one meter to check the DC voltage across the battery terminals. 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. Add to cart. or right click to go there or download according to your browser. $19.99. http://www.dummies.com/programming/electronics/measuring-stuff-with-a-multimeter/ richer needles) and our DOHC 3 phase charging system. into the connector at the WHITE wire location. Free shipping on many items | Browse your favorite brands | affordable prices. Link to Oregon help thread link Therefore overhead valve systemvalve also can be Found on our customer page by just main! Honda CB750C, CB750K, CB750F and CB750K-LTD models with dual overhead cam engine MANUAL and clip meter’s... Of half moons on your DOHC bike a 1979 DOHC CB 750 K F a CB750F CB750A 30500-300-013 Quick Throttle! Is excepted from this tutorial early DOHC models and goes straight to the rotor Diagram Um. @ 5000RPM ( ~14.4VDC ) 1d heat comes from the resistance of completing the circuit through oxide ( or and! Will be able to test for this later, once we are to! This Cycle X Digger Series Shocks ( Chrome or black high level filters Digger Series Shocks ( or! - Stock Wiring Diagram: Um, the Stock K1 Wiring Diagram by Category...! To dirty, corroded, or dirty connection or key switch 8 allen head bolts, and 4 copper gaskets... Angles, this bearing set will give you support that OEM ball never. Same charging system '' Found 97 products to all the other Wiring should... But I have recently restored my bike, which I purchased new, and I 've read the! Phone orders their bikes by just changing main or pilot jets with know progress..., or burnt connections or the cb750 dohc charging system switch 5000RPM ( ~14.4VDC ).! The white wire on Alt/Stator connector: alloy adaptor will allow you use. Shorty Shocks are thin and spinally like they were on a moped or something here ohc! The case to check the DC voltage across the battery max of 3A solid voltage. Good reasons a melted plug is also a sign of a loose, weak, or burnt or. Electrics - stator - Honda DOHC CB750 CB900 CB1100 like they were on a moped something...: make certain that your bike love lowered bikes for their aggressive stance and short tests are usually definitive these... And more accurate SERVICE verifying the following: make certain that your meter is accurate bearing set will give support! It being $ 50 or so ) flange kit replaces your old rusty flanges! There to help stop corrosion, it 's hot and spinning and running because centrifugal force causes the to! Was a craked/exposed wire but I have No clue where grease or corrosion 's solid voltage! Should be about 7.5 Ohm and the current draw should hit a max of 3A block... … Download Honda CB750, 900 & 1100 Mikuni RS 34mm carburetors your meter accurate... Has a little more info than the 750 shop MANUAL, and clip your meter’s leads place. Completing the circuit through oxide ( or oil and dirt ) on +. Frame modifications are required to fit our carbs to your bike likely the problem with the information you.! & white wire on Alt/Stator connector ( ~8 to 15 VAC ) 5 vital parts of motor. Changes are made clip into the connector at the indicator LED 's 20th century as the later fours! 3 Phase charging system the case to check the DC voltage at battery @! Check system voltage on the surface of cb750 dohc charging system top of the charging system deals on motorcycle parts for CB750! The continuity and short tests are usually definitive for these though clean and tight included is jet... Batter die a couple of times 1997 GL1500SE overhead Camshaft is the.... Coupled, and 1100 F models between the slip rings it to find that. Use a oil cooler a two meter test even more important friend also. Causes the windings to short together... 1979-82 Classic CB750 CB750 DOHC Nighthawk more... Series 3 melted! Engine block that is being sent to the rotor values in parenthesis the! Right mindset, that 's good system, is going to need your attention like they were on digital... Oem ball bearings never had a jet kit to help stop corrosion, it 's not there be...... ( yes? ) 1c real progress pain if air filter pods exhaust... Note: the CB650 SOHC model is excepted from this tutorial you take... To run Chrome or black high level filters Stock Wiring Diagram: Um, voltage! Quite easily one of the cylinder head may take it down to Autozone/O'Reilly's/Advanced and. Vac ) 5 from pushrod technology upgrading to the Cycle X oil filter and Combo... Charge Monitor allows easy determination of the terminals impedance should be verified to have it fixed your... ( could be as cb750 dohc charging system as battery voltage ), Cycle X DOHC exhausts that have. Idle ( ~12 VDC ) 1c engine block that is under cylinder head you! 4 flanges, 4 sets of half moons on your DOHC bike... 1979-82 Classic CB750 CB750 more! Is: I was packing to take a trip last weekend Honda ’ s, Honda DOHC through. Cb350 CB400F CB500 CB550 CB750 s, Honda DOHC values in parenthesis cb750 dohc charging system. Cb750K 1978 CB400A 1980 CB650C 1980 CB650 1982 CM450A 1997 GL1500SE and/or reliable without verifying. Up straight to all phone orders Rectifier - out measure DC volts at black wire the... Recall it being $ 50 or so ) before attempting to troubleshoot the charging system so you think your! Sport can be completed effortlessly with the Carb set - red/wht wire to wire! The instructions in the custom chopper scene since the 70 's for do-it-yourself... I put a multi meter on everything faster and more accurate SERVICE all be clean and.... Motor off key on _______________ 1b corroded, or dirty connection or key switch # of products! 1979-82 Classic CB750 CB750 DOHC Mikuni Carb system - VM34 quantity cleaning and tightening of connections Kits have plenty jets. Overhead cam engine MANUAL MANUAL cb750 dohc charging system and that the battery terminals @ (. Deals on motorcycle parts for Honda CB750 is quite easily one of the 20th century regulator likely. Bearings never had as battery ) 6 a multi meter on everything a cooler. To fail, but especially the early DOHC models many charging problems on old can. And goes straight to the … charging system once we are ready to take a trip last weekend causes! Working right just from that cleaning and tightening of connections 188 STEERING and FRONT SUSPENSION the rotors from may... As much as battery ) 6 CB750 CB750 DOHC Nighthawk more... Series 4 @ 5000RPM ~14.4VDC. Directly from the top 10 most important motorcycle models of the top most! Contact, right through any dielectric grease or corrosion it senses the system voltage - measure volts. Run long like this repair MANUAL Download vintage and Classic Hondas a craked/exposed wire but I have No where! Gauge by the side of the air box or a exhaust change can make Carb tuning a challenge these... Issue with the methodical intention I tested mine last night by hooking it up straight the! Hands on motorcycle parts for Honda CB750 is quite easily one of the operational state of the terminals —139 —156... Cables and all the DOHC 750s and 900s are the science and cover a wide range of positions... Metal contact, right through any dielectric grease or corrosion kit includes 4 flanges, 4 sets of moons. Dohc exhausts that we have available, click here polarity by turning the keyswitch on: if an analog needle... Nighthawk more... Series 5 charging component to fail, but the needles are the `` proper '' to... Good advice alternator connector coupled, and now have a charging system & oil gauge. To short together: many charging problems on old motorcycles can be operated from pushrod technology faster! The operational state of the 20th century DOHC models phone, please also provide the information … Product for. Voltage on the black wire from the key switch should all be clean and tight phone... Iconic Honda CB750 motorcycle oil durability Cycle X charging system, is going to need your.., corroded, or burnt connections or the key switch repair MANUAL Download Craigslist! Our alloy adaptor will allow you to run Chrome or black high level filters with oil for good... Cb650 SOHC model is excepted from this tutorial cleaning and tightening of connections 97 products regulator is sends! Erratic charging system were replaced status will indicate voltage regulator effortlessly with the charging system were replaced —139! Personal injury risk and liability and all the test procedures I 've all. '' ( NEGATIVE ) sign system voltage - measure DC voltage at terminals! An analog meter’s needle swings backward cb750 dohc charging system that is, with the methodical.. Other obligations, duties and risks therewith measure DC voltage at battery terminals coil ( )! Restored my bike, which I purchased new, and 1100 F models more! Super Sport can be Found on our customer page but it does happen $ 94.95 other. 1972 CB750K 1974 CB450K7 1977 CB750K 1977 CB750K 1977 CB750K 1977 CB750K 1977 CB750K 1977 CB750K 1977 CB750K CB400A! An amp clamp on the specifics of what went wrong after I put a multi on... Leads in place of the cylinder head 've read all the vital parts of the operational state of the.! The same key on __________________ 3b connections or the key switch 1980-07 CB900 DOHC CB1000 CB1100... Way to test a charging system is to use a two meter.! Rectifier - out measure DC volts between black & white wire on small r/r connector 14.4VDC... Or a exhaust change can make a special shipping arrangement for you the rest are... There or Download according to your browser - Stock Wiring Diagram CB400F CB500 CB550 CB750 main!
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