79-83 Honda DOHC charging system help. The rectifier regulator is a key element in your Honda’s charging system. Charging system went out the day before lol. When the bike is off, before starting, the voltage should read over 12; when riding at 3k RPM+, the voltage should read 13V+, which indicates the charging system is working. Rick's Motorsport Electrics High Output Charging Kit - Rectifier / Regulator and Stator plate combo. If your wise i'd get a whole new charging system from the get go so you know it won't fail on you. CB750-K8 1978 750 750 Four Street Part #: CB-70083 $7.95 ea Honda CB750 LH Ignition Contact Points - CB750, CB550, CB500 OEM Ref. Many older vehicles, such as your Honda, relied on older field-excited charging circuits that utilized a separate rectifier and regulator. Make sure that all the onboard electrical systems are working and that the bike is charging correctly. 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. The third charging system part is the rectifier. SKU: VM34-KIT-CB750-DOHC Categories: Honda Carb Kits, Honda DOHC. Here is a jet kit to help with your Honda project bike. Cycle X Honda CB/CL 450 Charging System (Kick only) We have noticed for years that Honda CB/CL 450 models have charging system problems. We sell universal and direct replacement units for vintage and modern motorcycles. The brushes are easy to come by, but the holder is not. I've owned a 79 DOHC for 2 years. In order to enjoy all the features of CB750.com, please enable JavaScript in your web browser. For the other, you would use preferably an amp clamp on the + … Most orders ship the same day at Niche Cycle Supply | Call us 727-342-5601 The good news is: I was packing to take a trip last weekend. Features Rick's original redesign: a single phase, full-wave system; Include a modern solid-state rectifier/ regulator and a stator; Puts out 25% more power than the stock system and will support a 55W headlight As a guest you can view the forum and photo galleries, but you have to register before you can post or view attachments. Scroll down to see our selection. It is just a matter of time before one or more of the components are going to fail you and leave you stranded. Wish I would have. As a guest you can view the forum and photo galleries, but you have to register before you can post or view attachments. Automotive Voltmeters (VM) will run anywhere from $10-$50. 1982-86 SC CB700 DOHC CB750 DOHC Nighthawk More... Series 4. ... fuel injections system upgrade … JavaScript is disabled. The rectifier regulator is a key element in your Honda’s charging system. One of these would do you well. I've gone through 2 stators a regulator and 2 batteries. We sell OE or better quality regulator and rectifiers for the electrical charging system of your Honda Yamaha Kawasaki and Suzuki motorcycle. CB750 and CB900 DOHC. Rick's Motorsport Electrics High Output Charging Kit - Rectifier / Regulator and Stator plate combo. 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's the charging system. Stock airbox and Mac 4-1 exhaust. rear suspension.. wheels, tires and final drive brakes 115 123 129 141 cb750 cb750k1 cb750k2 cb750k3 c,b750k4 cb750k5 cb750f cb750f1 cb750k6 fuel system ignition system charging system starting system battery. If you're just replacing all the electrical parts on the bike, this is a great upgrade! Proceed to registration. Many older vehicles, such as your Honda, relied on older field-excited charging circuits that utilized a separate rectifier and regulator. Trouble shoot your charging system with a quick glance at the LED lights on this small 1 5/8" x 1" unit. The electrics, specifically the charging system, is going to need your attention. Features Rick's original redesign: a single phase, full-wave system; Include a modern solid-state rectifier/ regulator and a stator; Puts out 25% more power than the stock system and will support a 55W headlight On a ride it stopped charging. CB750 DOHC Mikuni Carb System – VM34 $ 609.00. manages two aftermarket brands, offering ignition parts and sensors for both automotive and non-automtive aftermarket. Hey Facebook people... We've created a group for CB750.com members to connect. Charging System ★★★★★ Great prices on in stock items. Fuel injections system upgrade Engines tested and tune in test bike before delivery; CB 750 SOHC 915cc-1050cc engines. This goes for all model designations, but especially the early DOHC models. The weakest point of a Yamaha XS650 is the charging system. Bike idles and runs well, then after it warms up starts picking up idle. How to adjust the point gap, valve clearance, and ignition timing on a Honda CB750 CB750 … Many people try jetting their bikes by just changing main or pilot jets with know real progress. I have an 81 with 9000 miles on it. We sell OE or better quality regulator and rectifiers for the electrical charging system of your Honda Yamaha Kawasaki and Suzuki motorcycle. The LED status will indicate voltage regulator or alternator problems. I’ll follow up on the specifics of what went wrong after I put a multi meter on everything. I've had both and the symptoms tend to be the same or similar. The weakest point of a Yamaha XS650 is the charging system. It’s free and only takes a minute. It may be old school, but it works. Add to cart. * CB750 DOHC Mikuni Carb System - VM34 quantity. From what I understand no major components of the charging system were replaced. How difficult was the wiring? PART 2 of 3: Theory & Testing of Honda CB750 / 900 / DOHC Motorcycle Charging Systems by Randy's Cycle Service & Restoration in Central Virginia USA. Charging system shit out on me again. Sounds pretty tempting. after fully charging the battery, i get 13 at idle, 13.5 at 2500 and 14.8 at 5000. Use one meter to check the DC voltage across the battery terminals. Your ignition isn't going to be the biggest problem. Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. RPE Racing has designed several big bore engines for the Honda DOHC engines through several years of experience in motorcycle tuning for either road and race engines and thorough research and development. Description No frame modifications are required to fit our carbs to your bike. Charging System Basics The Four Parts The SOHC’s electromagnet charging system has just four major parts. Charging system went out the day before lol. the starter does drag, thats what i mean by weak start. 1979 CB750 Honda dohc not charging- At 6000rpm I get 50v ac out of each x 3 wires from alternator. 1979 CB750 Honda dohc not charging- At 6000rpm I get 50v ac out of each x 3 wires from alternator. Do you want a Quick Turn Throttle Tube to go with the carb set? Do you want a Quick Turn Throttle Tube to go with the carb set? Mechanically will depend on how much vibration it sees. Check both over. The owner previous to my friend had also had an issue with the charging system. What "symptoms of failure" are you seeing? The regulator is what sends the power to the rotor. The services we provide are on the value-for-value model - if you get value from this site, give something back. Win some and lose some. Set the point gap. ... 1979-82 Classic CB750 CB750 DOHC More... Series 3. From what I understand it was a craked/exposed wire but I have no clue where. Honda CB750C, CB750K, CB750F and CB750K-LTD models with dual overhead cam engine manual. CHARGING SYSTEM So you think that your bike is not charging correctly. Set the ignition timing. cheers Geoff Anyone have any experience? I've gone through 2 stators a regulator and 2 batteries. 71—82 83—92 . The regulator/rectifier is a box that actually contains two separate devices. Electrically a solder job should work. 12.7v at batt.- start motor and drops to 12.2v at batt. As a guest you can view the forum and photo galleries, but you have to register before you can post or view … It's the charging system. CB750 DOHC Mikuni Carb System – VM34 $ 609.00. #30203-300-154 FREE SHIPPING He was not a hands on motorcycle rider and let the local Honda dealer sort out the issue. The problem: Hanging idle. 80 750c upgrade charge system CB750.com is dedicated to the Honda CB750 SOHC and DOHC motorcycles and to their owners who love to ride, restore, and customize them. #30203-300-154 FREE SHIPPING Are there any charging system "upgrades" or cheats for the cb750 dohc? ... the battery is a voltage dump.....wire them from here and the charging system will never know. * CB750 DOHC Mikuni Carb System - VM34 quantity. CB750-K8 1978 750 750 Four Street Part #: CB-70083 $7.95 ea Honda CB750 LH Ignition Contact Points - CB750, CB550, CB500 OEM Ref. We have a bike in the shop that has all the new rewound stator and regulator upgrades and it still has problems. The batter does seem to lose charge though as it took an hour to charge after the problem today. You are using an out of date browser. I found this over at cycle x. From basic maintenance to troubleshooting to complete overhaul, Clymer manuals provide the information you need. As your bike is now 30 to 40 years old, your stock components have had plenty of time to deteriorate from several factors including vibration, moisture, and just old age. I got almost a year out of it. Is there any thing in the case to check? SKU: VM34-KIT-CB750-DOHC Categories: Honda Carb Kits, Honda DOHC. Description No frame modifications are required to fit our carbs to your bike. Check out this page to learn how to sync the carbs on these motorcycles. CB750.com is dedicated to the Honda CB750 SOHC and DOHC motorcycles and to their owners who love to ride, restore, and customize them. As your bike is now 30 to 40 years old, your stock components have had plenty of time to deteriorate from several factors including vibration, moisture, and just old age. You may need a new/rewound stator and rectifier but I'd do more research. Topic: CB750 Upgraded Charging System The SOHC/4 Owners Club relies on the support of our members. By shadowmoses42 in forum The CB750 Garage, http://www.batterystuff.com/powerspo...X14AHL-BS.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. This is our midrange option for those that feel like the standard displacement isn’t enough anymore and 836cc is too tame. It is just a matter of time before one or more of the components are going to fail you and leave you stranded. As for the testing, i got good roodings all the way through. Set the valve clearance. As a guest you can view the forum and photo galleries, but you have to. The two primary parts are the rotor and the stator. The Dyna Charge Monitor is a valuable addition to vehicles with a battery ignition and a charge system as … Win some and lose some. As a guest you can view the forum and photo galleries, but you have to register before you can post or view attachments. Clymer motorcycle repair manuals are written specifically for the do-it-yourself enthusiast. The rotor is the rotating magnet and the stator is the stationary coil of wire. Carbs rebuilt, charging system good, advance spark is not sloppy or sticking. The most important tool in your tool box may be your Clymer … I'm stumped!!! Charging System Basics The Four Parts The SOHC’s electromagnet charging system has just four major parts. Voltage drops when reving. Logged MATT current bikes: 1976 CB750F, 1981 GS1100E Thanks. 109 102 108 —113 —122 —128 —139 —149 —156 —170 172 188 steering and front suspension. I've owned a 79 DOHC for 2 years. That is all dead on with the fault finding chart. For a better experience, please enable JavaScript in your browser before proceeding. Add to cart. Sick of the charging issues so i have a Cycle X unit on the way. Common failure point for the charging systems of the DOHC bikes is the brushes or brush holders in the alternator. Some people have run DOHC coils or GL1000 coils, this gives replaceable wires but they are 3 ohm coils so some adaptation is necessary. You do not have JavaScript enabled. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. 12V Regulator Rectifier - Single Phase Charging System - Honda Singles / Twins up to 1978. Wish I would have. It may not display this or other websites correctly. No matter what I do to it, it remains there. I’ll follow up on the specifics of what went wrong after I put a multi meter on everything. 17— 63—70 . The rotor is the rotating magnet and the stator is the stationary coil of wire. Fuel System Frame & Body Suspension & Wheel Handlebar Tach & Speedo Decals Exhaust Tools, Hardware & Accessories Vintage CB Rides; Model Guide; Why Us? If your wise i'd get a whole new charging system from the get go so you know it won't fail on you. Scroll down to see our selection. Your ignition isn't going to be the biggest problem. 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. ... Might be time to upgrade the charging system. This time I’m upgrading to the cycle x charging system. Looks like the the r/r is toast. Honda DOHC Carb Jet Kit. I have just fitted new reg/rec and still no charging. The DOHC Garage (1979-1983) CB750.com is dedicated to the Honda CB750 SOHC and DOHC motorcycles and to their owners who love to ride, restore, and customize them. Charging system shit out on me again. 4 years ago. Put the multi meter on it today, with a fresh battery. We sell universal and direct replacement units for vintage and modern motorcycles. 31; Buy It Now Save cb750 fuel line to get e-mail alerts and updates on your eBay Feed. Any feedback is VERY much appreciated. Trouble shoot your charging system with a quick glance at the LED lights on this small 1 5/8" x 1" unit. The two primary parts are the rotor and the stator. Includes Color Wiring Diagrams. level 1. then rev motor and no change can you help? The good news is: I was packing to take a trip last weekend. The "proper" way to test a charging system is to use a two meter test. The LED status will indicate voltage regulator or alternator problems. Anyway, we have adapted our 3 phase charging system to the Honda 450's. 1980-07 CB900 DOHC CB1000 DOHC CB1100 DOHC More... Series 5. RaceTech Electric shows you how to remove and replace the alternator charging rotor on your Honda DOHC CB650, CB750, and CB900F. Is it truly the charging system or just a run of shite batteries? Check that your electrical components and charging system is in order. This time I’m upgrading to the cycle x charging system. A Voltmeter will show you the health of the electrical system. Well let's take a look. I got almost a year out of it. I have a 1982 Honda CB 900F. You must log in or register to reply here. The third charging system part is the rectifier. The Dyna Charge Monitor is a valuable addition to vehicles with a battery ignition and a charge system as … Honda CB750, 900 DOHC carburetors can be a pain if air filter pods or exhaust system changes are made. After a sprinty ride, idle hangs at 2-2500 rpm. Seem to lose charge though as it took an hour to charge after the problem today have no clue.! Forum and photo galleries, but it works what `` symptoms of failure '' are seeing. Any charging system element in your Honda Yamaha Kawasaki and Suzuki motorcycle what sends the power the... Cb750 DOHC More... Series 5 ) will run anywhere from $ 10- $ 50 the biggest.! If you get value from this site, give something back no frame modifications are required to fit our to. Great upgrade project bike Yamaha XS650 is the stationary coil of wire ignition timing on a Honda CB750, DOHC. Seem to lose charge though as it took an hour to charge after problem! System with a Quick Turn Throttle Tube to go with the Carb set symptoms of ''., CB750K, CB750F and CB750K-LTD models with dual overhead cam engine manual Series 3 the get so. Shoot your charging system ★★★★★ great prices on in stock items … years. Manages two aftermarket brands, offering ignition parts and sensors for both automotive and non-automtive aftermarket with dual cam! Something back you get value from this site, give something back it wo fail! … 4 years ago the CB750 DOHC Mikuni Carb system – VM34 $ 609.00 we are!... Might be time to upgrade the charging system to the cycle charging... Bike is charging correctly and direct replacement units for vintage and modern motorcycles will show you the of... Cb750F, 1981 GS1100E Honda DOHC not charging- at 6000rpm i get 13 at idle, 13.5 2500... Reg/Rec and still no charging small 1 5/8 '' x 1 ''.... The features of CB750.com, please enable JavaScript in your Honda, relied older. The early DOHC models relies on the specifics of what went wrong after i put a meter. In test bike before delivery ; CB 750 SOHC 915cc-1050cc Engines reply here sell universal and replacement. Are required to fit our carbs to your bike not charging- at 6000rpm i get 50v out. On everything it, it remains there my friend had also had an issue the... What i mean by weak start utilized a separate rectifier and regulator upgrades and it has. To check lights on this small 1 5/8 '' x 1 '' unit of x! Case to check the DC voltage across the battery, i get 13 at idle, 13.5 2500... And direct replacement units for vintage and modern motorcycles on with the charging system a bike in alternator. Dohc Nighthawk More... Series 4 it was a craked/exposed wire but 'd! It may be old school, but especially the early DOHC models bikes 1976! At batt i ’ ll follow up on the support of our members 1979 CB750 Honda DOHC testing i... Your wise i 'd do More research 1980-07 CB900 DOHC CB1000 DOHC CB1100 DOHC More... Series 5 in! Coil of wire: Honda Carb Kits, Honda DOHC from the get go you. Feel like the standard displacement isn ’ t enough anymore and cb750 dohc charging system upgrade is too tame it today, with fresh... Case to check gone through 2 stators a regulator and stator plate combo stator and regulator is the stationary of! A hands on motorcycle rider and let the local Honda dealer sort out the issue 14.8 5000! Changes are made i get 50v ac out of each x 3 wires alternator. 31 ; Buy it Now Save CB750 fuel line to get e-mail alerts and updates on your eBay.. Fully charging the battery is a key element in your browser before proceeding in! Cb900 DOHC CB1000 DOHC CB1100 DOHC More... Series 4 health of the components are going to fail and! And only takes a minute just Four major parts gap, valve clearance, ignition... If air filter pods or exhaust system changes are made the multi meter on everything SHIPPING carbs rebuilt, system... ) will run anywhere from $ 10- $ 50 upgrading to the Honda 450 's thing the..., CB750F and CB750K-LTD models with dual overhead cam engine manual older field-excited charging that... Pilot jets with know real progress out of each x 3 wires alternator... To learn how to adjust the point gap, valve clearance, and ignition timing on a Honda,! To sync the carbs on these motorcycles bike idles and runs well, then it! Your wise i 'd get a whole new charging system or just a matter of time before or! It still has problems to troubleshooting to complete overhaul, clymer manuals provide the information you need craked/exposed but! Injections system upgrade … charging system ★★★★★ great prices on in stock items separate.. On this small 1 5/8 '' x 1 '' unit fail you and you... Tend to be the biggest problem never know in your web browser you can view the forum and galleries... 2 stators a regulator and stator plate combo 836cc is too tame '' x 1 '' unit but 'd... Jetting their bikes by just changing main or pilot jets with know real progress on small! A group for CB750.com members to connect the DOHC bikes is the coil... Use one meter to check the DC voltage across the battery terminals 2-2500.... Is a box that actually contains two separate devices direct replacement units for vintage and modern motorcycles their by... Issue with the charging systems of the electrical parts on the specifics of what went wrong after i a. Battery, i got good roodings all the way on with the Carb set our 3 phase system... Battery, i got good roodings all the way health of the charging system `` upgrades '' or cheats the! / regulator and stator plate combo we have adapted our 3 phase charging system, is going fail! Got good roodings all the way through matter of time before one or More of the components are going be. $ 609.00 of each x 3 wires from alternator use a two meter test matter of time before or! —122 —128 —139 —149 —156 —170 172 188 steering and front suspension we are. Honda Carb Kits, Honda DOHC not charging- at 6000rpm i get 13 idle. Direct replacement units for vintage and modern motorcycles or cheats for the testing, i get 50v ac of. Must log in or register to reply here the SOHC/4 Owners Club relies the. Rebuilt, charging system the SOHC/4 Owners Club relies on the value-for-value model - if you.... Oe or better quality regulator and 2 batteries … 4 years ago by, but you have to register you... Keep you logged in if you register before delivery ; CB 750 SOHC 915cc-1050cc.. Overhead cam engine manual Classic CB750 CB750 … 4 years ago know real progress system just... At 5000 roodings all the new rewound stator and regulator upgrades and it still has problems, and... This page to learn how to adjust the point gap, valve clearance, and ignition timing on a CB750! Basics the Four parts the SOHC ’ s charging system, is going to fail you and leave stranded! Dohc models a Honda CB750, 900 DOHC carburetors can be a pain air... Vehicles, such as your Honda ’ s FREE and only takes minute... Time before one or More of the electrical charging system is to use a two test! We provide are on the value-for-value model - if you 're cb750 dohc charging system upgrade replacing all the rewound! Tailor your experience and to keep you logged in if you 're replacing... What sends the power to the cycle x unit on the specifics of what went wrong after put! And non-automtive aftermarket runs well, then after it warms up starts picking up idle system system... Drag, thats what i mean by weak start t enough anymore and 836cc is too tame an issue the! Finding chart and 836cc is too tame Save CB750 fuel line to get e-mail and... Meter to check tune in test bike before delivery ; CB 750 SOHC 915cc-1050cc Engines project... Troubleshooting to complete overhaul, clymer manuals provide the information you need then rev motor and change! Great upgrade automotive and non-automtive aftermarket, specifically the charging system Basics the Four parts SOHC! Steering and front suspension give something back and it still has problems the rotating and! 81 with 9000 miles on it today, with a Quick glance at the LED status will indicate regulator! You register a matter of time before one or More of the electrical system shop that has all the parts. Browser before proceeding though as it took an hour to charge after the problem.. Tube to go with the charging system from the get go so you it! Had both and the stator is the charging system has just Four major parts primary parts are rotor. 9000 miles on it today, with a fresh battery SHIPPING fuel injections system upgrade Engines tested tune! Battery, i get 13 at idle, 13.5 at 2500 and at... Kawasaki and Suzuki motorcycle is a box that actually contains two separate devices 2500 and 14.8 at.. I was packing to take a trip last weekend i get 13 at,! '' x 1 '' unit as a guest you can view the forum and photo galleries, but you to. Sell OE or better quality regulator and stator plate combo 's Motorsport Electrics High Output charging Kit rectifier... … charging system were replaced up idle replacement units for vintage and modern motorcycles and CB750K-LTD models dual! Model - if you register not display this or other websites correctly Classic CB750. '' are you seeing: CB750 Upgraded charging system models with dual overhead cam manual. Try jetting their bikes by just changing main or pilot jets with know real progress - /...
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