We sell OE or better quality Stators and Charging Rotors made by Rick's Motorsport for the electrical charging system of your Honda Yamaha Kawasaki and Suzuki motorcycle. 156. 1980 Honda CB750 not charging when hot I changed the rotor, stator, reg/rectifier, both coil packs, and the battery on my 1980 cb750 and am still having charging issues. Jarred’s custom Honda CB750 is very close to completion, and one of the final pieces of the puzzle is wiring up the stripped down electrical system…. My 1974 Honda CB360 is not charging? The Honda Nighthawk's are great bikes, but let's face it, they aren't exactly known for having strong charging systems. Honda CB750 Walk around and charging. (Target is 12.6-12.8V.) Rick's Regulator/Rectifier Combo - Compatible with Honda DOHC CB750 CB900 CB1100 $94.95. 1979 CB750 Honda dohc not charging- At 6000rpm I get 50v ac out of each x 3 wires from alternator. I have the 10-503 model. Ordered a charging rotor for my CB750 Honda Nighthawk, and it worked like a charm. What is the best solution? (Later versions as used on the DOHC engines used carbon brushes instead.) Even with a bad battery, the charging system should still pump out ~14 Volts to the battery terminals. A -- Fully charge a known good battery. Charging System/Alternator: Service Information, Troubleshooting. Specifications, 3, Diagnosis, '1. Charging system methodical verification checks, CB750, CB550, CB500, CB400, and CB350. Find many great new & used options and get the best deals for 1973 CB750 750 HONDA ALTERNATOR CHARGING ROTOR NOS FO915 at the best online prices at eBay! 1.7 lb permanent magnet for instant RPM. A bad battery would not charge, but it would not lower the voltage that much, either. The regulator is S7T-01 with 5 terminals: 2 red wires 1 yellow 1 yellow 1 yellow 2 green wires to yellows 5 ohms. My 1978 Honda CB750 bike is not charging. I have put on a new regulator and put in another (used) stater. Each Of the groups are further divided into section l. Description, 2. Our regulator rectifier combo kit is easy to install and fits the Honda CB175, CL175, SL175, CB200, CL200, CB350, CL350, SL350, CB360, CL360, CJ360, CB450, CL450, CB500T motorcycles. Honda R/R fails more than most – should I keep paying for this model Might be time to replace your rectifier or regulator, and why not replace them both at once with a part that will work better than the originals by providing much more stable voltage at the battery. It has a after market regulator/rectifier which looks like a brand new unit, but I think may not be compatible because its for a cB750. Free shipping for many products! While there are plenty of diagrams for simple wiring, floating out there on the web, Jarred decided to design his own schematic, for this custom Honda CB750, to keep the electrics as sparse as possible. Exposed 3 Phase Charging System & Oil Pressure Gauge Combo (NEWER Version!) Doing a lot of city riding on short blocks? Model and Years Covered: Honda CB750 ===== With this Professional Quality highly detailed Service Repair Workshop Manual you will be able to work on your vehicle with the absolute best resources available, which will not only save you a lot of money in repair bills but will also help you to … Install a known good battery, and check the voltage level at 3k RPM, across the battery. The pages for the respective groups are indexed on this pages for convenience. Here is a blast from the past, The Honda CB750 Custom. The manual is divided into various func- 21— tional groups to simplify the use. Honda CB750 Walk around and charging. 159. The one I have was apparently meant for a CB750 from what I read. 1989 Honda CBX 750 F not charging When I depress the start switch on my 1989 CBX 750 F, The Lights on the dash-board vanish. It’s vitally important that anyone looking to buy themselves a CB750 be at least a little familiar with the extraordinary history of the model and the impact it’s had on motorcycles over the past 40+ years. I have a 1979 CB750 that has a charging problem. 3 phase for higher output. We have a Honda Reflex, Silverwing and Shadow. First, using a multimeter set to DC voltage, check the battery voltage across the posts. 1981 Honda CB750 Custom, Great running older Honda 750!!! I have just fitted new reg/rec and still no charging. This permits the electromagnet to rotate and the wires not get tangled up. Replaces OEM Part: 31400-292-670, 31700-455-671, 31700-292-008, 31400-292-670, 31700-358-305 Adapter and oil pressure gauge included. Page 1 of 12. (79-83) Note: Use with lead acid batteries only! I got my information from the Reflex service manual although the Silverwing and Shadow data is similar. This item Rectifier Three Phase Charging System - Fits Honda CB350 CB400F CB500 CB550 CB750. Compare with similar items. If you do not have at least 12.5 volts, install a battery charger and charge the battery. Skip navigation Sign in. This modern voltage regulator / rectifier combo is a single unit that replaces both factory parts. This video is unavailable. Why is the Honda R/R above different from most other R/Rs? Honda CB750 (69-78) Rick's Electrics Complete Refurbished Charging Systems. Sadly, the XS650 suffers from not having a permanent magnet charging system, so this is a helpful step-by-step way to find where the problems are. Issues 1. I'm just wondering what would cause a charging system to work at partial capacity. 158. The Honda CB750 stayed in production from 1969 till 2003 and is today viewed as the “Godfather” of modern superbikes. When its at an idle the battery is receiving about 12.3V but when I bring it up to about 8000rpm the battery is recieving 13.1v. 2. Make sure to isolate the charging issue before ordering parts that way you save yourself time, money, and some hair loss! Inspection and 6. Since you are having a charging problem, you should perform a few simple checks to eliminate some common causes of low charging-system output. Fresh wires and exit rubbers with make your assembling procedure a breeze. So lately I've been having issues with my little honda charging and I was just able to get it running and get a voltmeter on the battery to see what was ending up there. the HONDA CB750 and CB750F. Each time required a new battery even after charging it completely. Those Honda rotors break all the time. (3) 3 product ratings - Electrosport Stator Honda DOHC CB750 CB900 CB1100 ESG210 / 31120-425-852 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. Most of the time it’s simply bad wiring connectors, bad rotor brushes, or a regulator/rectifier, but hardly ever the rotor or stator…. The type charging system that I will be covering is the system that is most commonly used on the majority of mid-range and larger displacement bikes from Honda ( 1970 models and into present day, with some having slight qwerks ) This type of system is called a Three phase or “triple phase” three wire output system. I had a 1978 CB750, and I let the batter die a couple of times. Here is my very first bike build - my HONDA CB750 DOHC 1981. The Honda CB750 4 cylinder motorcycle changed the world of motorcycling forever. -I checked to make sure the wires from the stator weren't grounded. The battery voltage drops to 6V from 12.5V. Might be time to replace your rectifier. Fits vintage Honda CB750, 900, 1000, and 1100 F models. Honda CB750 Nighthawk 1997, Conventional Battery by BikeMaster®. ... Honda cb750 sport motorcycle owner's manual (90 pages) Motorcycle Honda CB750 Shop Manual (21 pages) Motorcycle Honda CB750 Owners Workshop Manual (30 pages) it is able to for around 3 hours until it fully dies. Battery Removal/Installation. Exposed for that full race appearance. Reassembly. 6- and 12-volts of power for all of your newer applications. The Charge Monitor allows easy determination of the operational state of the charging system with a quick glance at the indicator LED's. Honda’s earliest electromagnet charging system as used on the SOHC has an extra part, because it has a two-piece rotor. Attached: Honda CBR1000F Service Manual Charging System Details. You could try a brand new battery (I recall it being $50 or so). The specs for the Reflex are: The alternator output is … (1) 1 product ratings - 91-03 HONDA CB750 CB 750 NIGHTHAWK VOLTAGE REGULATOR RECTIFIER 31600-MS2-601 12.7v at batt.- start motor and drops to 12.2v … read more Scroll down to see our selection. Loading... Close. Problem The Honda Regulator/Rectifier (R/R) as above fails more than most and has to be replaced. Battery not charging? Watch Queue Queue. I've also taken every connection I can find and re-cleaned all terminals.. the bike charges better cold … We sell custom and direct replacement units for vintage and modern motorcycles. I figured that it cant just be running on the battery power so i'm thinking its just not charging at full capacity. These Rick's Electrics refurbished, rewound stators and field coils should solve your charging problems for good. Begin with problem verification and characterization with recorded data. Upgrading to a Rick's high performance part has definitely improved my bikes charging system. Search. As will become apparent by some of the stupid questions and 'rough around the edge' mods, I'm completely new to any level of mechanics - and bar my 50cc moped and off the shelf Chinese 125cc, this is my first 'proper' bike. Battery not charging or overcharging? Next. 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. At the heart of the CB750C is an inline four-cylinder engine with a double overhead cam,16 valve set up, that is incredibly reliable. System Location. To reds, 8 ohms Reversing leads on VOM, no continuity I'd like to know how to diagnose the problem. Let it rest for 2 hours, off the charger, and measure the battery voltage. All three have similar batteries and charging systems. Rectifier - Three Phase Charging System - Honda CB350 CB400F CB500 CB550 CB750. Disassembly, 5.