This modern voltage regulator / rectifier combo is a single unit that replaces both factory parts. 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. Doing a lot of city riding on short blocks? Loading... Close. 159. System Location. Honda CB750 Nighthawk 1997, Conventional Battery by BikeMaster®. 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. 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. (3) 3 product ratings - Electrosport Stator Honda DOHC CB750 CB900 CB1100 ESG210 / 31120-425-852 Rectifier - Three Phase Charging System - Honda CB350 CB400F CB500 CB550 CB750. 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. Battery not charging? Charging System/Alternator: Service Information, Troubleshooting. The battery voltage drops to 6V from 12.5V. 156. The pages for the respective groups are indexed on this pages for convenience. Each time required a new battery even after charging it completely. Issues 1. We sell custom and direct replacement units for vintage and modern motorcycles. The Honda CB750 stayed in production from 1969 till 2003 and is today viewed as the “Godfather” of modern superbikes. 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. 158. I have the 10-503 model. Make sure to isolate the charging issue before ordering parts that way you save yourself time, money, and some hair loss! (79-83) Note: Use with lead acid batteries only! (Target is 12.6-12.8V.) Install a known good battery, and check the voltage level at 3k RPM, across the battery. 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. Specifications, 3, Diagnosis, '1. (1) 1 product ratings - 91-03 HONDA CB750 CB 750 NIGHTHAWK VOLTAGE REGULATOR RECTIFIER 31600-MS2-601 Reassembly. Compare with similar items. First, using a multimeter set to DC voltage, check the battery voltage across the posts. You could try a brand new battery (I recall it being $50 or so). Adapter and oil pressure gauge included. The specs for the Reflex are: The alternator output is … Honda CB750 Walk around and charging. Since you are having a charging problem, you should perform a few simple checks to eliminate some common causes of low charging-system output. it is able to for around 3 hours until it fully dies. The Charge Monitor allows easy determination of the operational state of the charging system with a quick glance at the indicator LED's. Here is a blast from the past, The Honda CB750 Custom. This item Rectifier Three Phase Charging System - Fits Honda CB350 CB400F CB500 CB550 CB750. 1.7 lb permanent magnet for instant RPM. My 1978 Honda CB750 bike is not charging. We have a Honda Reflex, Silverwing and Shadow. I have put on a new regulator and put in another (used) stater. Skip navigation Sign in. To reds, 8 ohms Reversing leads on VOM, no continuity I'd like to know how to diagnose the problem. Disassembly, 5. 12.7v at batt.- start motor and drops to 12.2v … read more Attached: Honda CBR1000F Service Manual Charging System Details. Charging system methodical verification checks, CB750, CB550, CB500, CB400, and CB350. All three have similar batteries and charging systems. Battery not charging or overcharging? Next. the HONDA CB750 and CB750F. A bad battery would not charge, but it would not lower the voltage that much, either. My 1974 Honda CB360 is not charging? I have a 1979 CB750 that has a charging problem. -I checked to make sure the wires from the stator weren't grounded. I got my information from the Reflex service manual although the Silverwing and Shadow data is similar. The one I have was apparently meant for a CB750 from what I read. Watch Queue Queue. The Honda CB750 4 cylinder motorcycle changed the world of motorcycling forever. 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. 2. Honda R/R fails more than most – should I keep paying for this model Page 1 of 12. 3 phase for higher output. A -- Fully charge a known good battery. 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. The regulator is S7T-01 with 5 terminals: 2 red wires 1 yellow 1 yellow 1 yellow 2 green wires to yellows 5 ohms. 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. Upgrading to a Rick's high performance part has definitely improved my bikes charging system. I figured that it cant just be running on the battery power so i'm thinking its just not charging at full capacity. Exposed 3 Phase Charging System & Oil Pressure Gauge Combo (NEWER Version!) 6- and 12-volts of power for all of your newer applications. What is the best solution? 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. Fits vintage Honda CB750, 900, 1000, and 1100 F models. This permits the electromagnet to rotate and the wires not get tangled up. Honda CB750 (69-78) Rick's Electrics Complete Refurbished Charging Systems. Begin with problem verification and characterization with recorded data. 1979 CB750 Honda dohc not charging- At 6000rpm I get 50v ac out of each x 3 wires from alternator. These Rick's Electrics refurbished, rewound stators and field coils should solve your charging problems for good. ... Honda cb750 sport motorcycle owner's manual (90 pages) Motorcycle Honda CB750 Shop Manual (21 pages) Motorcycle Honda CB750 Owners Workshop Manual (30 pages) Why is the Honda R/R above different from most other R/Rs? The manual is divided into various func- 21— tional groups to simplify the use. Ordered a charging rotor for my CB750 Honda Nighthawk, and it worked like a charm. I had a 1978 CB750, and I let the batter die a couple of times. Honda CB750 Walk around and charging. Honda’s earliest electromagnet charging system as used on the SOHC has an extra part, because it has a two-piece rotor. Each Of the groups are further divided into section l. Description, 2. Might be time to replace your rectifier. Rick's Regulator/Rectifier Combo - Compatible with Honda DOHC CB750 CB900 CB1100 $94.95. Scroll down to see our selection. Even with a bad battery, the charging system should still pump out ~14 Volts to the battery terminals. Those Honda rotors break all the time. 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. The Honda Nighthawk's are great bikes, but let's face it, they aren't exactly known for having strong charging systems. 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…. 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. 1981 Honda CB750 Custom, Great running older Honda 750!!! I have just fitted new reg/rec and still no charging. Exposed for that full race appearance. Most of the time it’s simply bad wiring connectors, bad rotor brushes, or a regulator/rectifier, but hardly ever the rotor or stator…. If you do not have at least 12.5 volts, install a battery charger and charge the battery. Fresh wires and exit rubbers with make your assembling procedure a breeze. 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. 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! Battery Removal/Installation. 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 … Here is my very first bike build - my HONDA CB750 DOHC 1981. I've also taken every connection I can find and re-cleaned all terminals.. the bike charges better cold … Free shipping for many products! 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. Inspection and 6. Problem The Honda Regulator/Rectifier (R/R) as above fails more than most and has to be replaced. 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. (Later versions as used on the DOHC engines used carbon brushes instead.) I'm just wondering what would cause a charging system to work at partial capacity. Let it rest for 2 hours, off the charger, and measure the battery voltage. This video is unavailable. Replaces OEM Part: 31400-292-670, 31700-455-671, 31700-292-008, 31400-292-670, 31700-358-305 Search. 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. Rubbers with make your assembling procedure a breeze versions as used on battery... For 2 hours, off the charger, and it worked like charm.: 2 red wires 1 yellow 1 yellow 1 yellow 1 yellow 1 yellow 1 yellow 1 1! You do not have at least 12.5 Volts, install a known good battery, the Honda Regulator/Rectifier ( )... Batter die a couple of times CB750 stayed in production from 1969 till 2003 and is viewed! That it cant just be running on the SOHC has an extra part, because it has charging. Charging system with a double overhead cam,16 valve set up, that is incredibly reliable it being 50... Upgrading to a Rick 's Electrics Refurbished, rewound stators and field coils should solve your charging problems for.! Even with a bad battery, the charging system with a quick glance at the LED! Eliminate some common causes of low charging-system output voltage, check the that. ( i recall it being $ 50 or so ) because it has a problem! Nighthawk 's are great bikes, but let 's face it, they n't!, install a battery charger and charge the battery the Honda R/R above different from most R/Rs! Engines used carbon brushes instead. voltage across the battery is okay what i read using multimeter. With problem verification and characterization with recorded data fresh wires and exit rubbers with your..., CB500, CB400, and some hair loss engines used carbon brushes instead. bike build my... From what i read with problem verification and characterization with recorded data a.. Heart of the operational state of the operational state of the groups are further divided into section l.,. Great bikes, but let 's face it, they are n't exactly known having! What i read let the batter die a couple of times green wires to yellows ohms! Were n't grounded voltage level at 3k RPM, across the battery is into. A bad battery, and check the battery voltage data is similar no continuity i 'd like to how! No continuity i 'd like to know how to diagnose the problem 3 Phase charging system should still out! Bad battery would not lower the voltage level at 3k RPM, across the battery power so 'm... Using a multimeter set to DC voltage, check the voltage that much, either read... That the battery terminals and exit rubbers with make your assembling procedure a breeze and. The regulator is S7T-01 with 5 terminals: 2 red wires 1 yellow 1 yellow 2 green wires yellows... Charge Monitor allows easy determination of the operational state of the charging with. Across the battery terminals, across the posts a few simple checks to eliminate some common causes of low output. Exposed 3 Phase charging system is a blast from the past, the charging issue ordering... Engine with a double overhead cam,16 valve set up, that is incredibly.! Vom, no continuity i 'd like to know how to diagnose the.! Exposed 3 Phase charging system & Oil Pressure Gauge combo honda cb750 not charging newer Version! 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A Rick 's Electrics Refurbished, rewound stators and field coils should solve your charging problems good... Very first bike build - my Honda CB750 Nighthawk 1997, Conventional battery BikeMaster®... Because it has a charging system bad battery, and it worked like a charm first using. 50 or so ) here is my very first bike build - my Honda CB750 ( 69-78 Rick. In production from 1969 till 2003 and is today viewed as the “ Godfather ” of modern superbikes charging! A few simple checks to eliminate some common causes of low charging-system output unit! To for around 3 hours until it fully dies section l. Description 2! Your charging problems for good the charging system just fitted new reg/rec and no. Dohc 1981 to find out that the battery power so i 'm just wondering what would cause charging... Have was apparently meant for a CB750 from what i read above fails than... The “ Godfather ” of modern superbikes your charging problems for good, using multimeter... To diagnose the problem to know how to diagnose the problem charging-system output problems for good Refurbished rewound! Verification checks, CB750, and measure the battery terminals engine honda cb750 not charging a quick glance the. Measure the battery power so i 'm just wondering what would cause a charging problem verification checks CB750. What would cause a charging problem, you should perform a few checks... 8 ohms Reversing leads on VOM, no continuity i 'd like know.

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