Kind regards, A third wire was then provided as a neutral or ground. The only 12-Volt battery that fits this oil tank is a 12N5.5-3B battery. There’s more info in this article: multi-pin(s) ignition and lighting switches.Because the alternator wiring has been changed as per normal ( i.e. All you need for a 6 volt system to work properly is 1. good battery cables, at least 2/0, those thin NAPA cables rated for 12 volts won't work, others with more electrical knowledge can explain but basically you need more cable pushing 6v than 12. I’d strongly recommend the DVR2 regulator described in the above article. I have Matchless g3l 1949 this is 6 volt dynamo I to like to convert 12 volts. How to Convert a 6-volt Stator to 12-volt? Sorry, but don’t know anything at all about Yezdi bikes. How much did you spend in total, all parts and battery ? please furnish the details as where can i get this in india and how? Thanks for your king words and glad you found this site useful. Hi I have 1983 Hondacb125t twin cylinder. I guess we’ll probably never know for sure, a bit like pondering why various manufacturers went back and forth between positive and negative earth systems, but your theory would seem to be a very feasible one. Motorcycle fitted with stators like the Lucas 47204, or the Lucas 47194, typically have 6V coils…. I can buy the Cyclon batteries here in the states and will do so. I converted my 1955 BSA to 12v but have found the battery often doesn’t recharge’ especially on these winter days with a heavy call on them. By combining the high and low 6V supplies, you can create a 12V supply. In the old days regulating voltage was a hassel. Thanks for any help. I would contact the guys at Dynamo Regulators (who make the DVR2) and ask them. 6 Wire, 3 Phase Motorcycle Regulator Rectifier Wiring Diagram PDF, 5 Wire, 3 Phase Motorcycle Regulator Rectifier Wiring Diagram PDF, 5 Wire, 2 Phase Motorcycle Regulator Rectifier Wiring Diagram PDF, 4 Wire Motorcycle Regulator Rectifier Wiring Diagram PDF. You don’t need to change the horn as the 6v one will continue to work fine at 12v for occasional use. You can contact them via the Dynamo Regulators website (just Google DVR2 and it will come up). Just remember that you’ll need to change all the bulbs back too, plus also increase the rating of your fuse to cope with the extra current when running at the lower voltage. In the case of geared or direct drive dynamos this may not be possible. Historically called the high and low outputs. I did on yezdi jawa bullet and changing to 12v magneto coil works the best. The following guide takes you through exactly how I did the swap from 6 volts to 12 volt operation using the “DVR2” regulator, and also how I have found it compared to the original 6 volt running. Regards, James. For further help check out the following electrical schematic…. You can’t just put in a 12v battery and go, you need to change the charging system’s output from 6 to 12 volts first, probbaly by changing or adjusting the regulator. Now I’m not sure exactly why 6 volts was chosen, but I’m guessing it’s something to do with the ‘cell’ voltage of a lead acid battery being around 2.1 volts and three cells giving a battery unit of a convenient size. If that seems good, try the headlamp and brake lights. For that we used a 12v Lucas alternator and a Boyer Power Box, both sourced from Klempf’s British Parts in Dodge Center, Minnesota. Just click the download button below: To learn even more about your motorbikes power circuit, view “how do a regulator rectifiers work?”. This bike has the seperate. And of course, the lights and horns. A 6v dynamo that has been converted to 12v using a converter regulator and its original 6v armature will not start charging until about 1700 rpm. Iam a 66years (will be so in a month and a half)old young man who loves riding as much as I used to 35 years ago.The major problem that I encounter now having restored the engine completely all with new original parts is that after switching to 12 volt battery from 6 volts with which it came originally, is poor charging of the battery. 6 VOLT to 12 VOLT ELECTRICAL SYSTEM CONVERSION : Please Note: This article is meant solely as a guide to help you determine some of the systems that may need to be changed in order to convert from a 6V to 12V electrical system. Nothing wrong with a 6 volt system in good condition. fitting a fuse) but really an alternator charging system is very different to one that uses a dynamo so most of the info doesn’t really apply. The lower the fuse rating the better the protection given, unless of course it keeps blowing all the time in normal operation. For bullet you can easily get 12v coil. I really need the bike running. If you still have the lucas 6v regulator, please give it to me. Subscribe me to Matchless Clueless updates (an occasional email, guaranteed no spam). Your website should go viral. Since its difficult to find 6v parts. The starting point for me - my problematic 6v battery. With the battery connected and new fuse installed it’s time to see if it all works. A simple guide to converting a classic bike with 6 volt Lucas electrics to 12 volt operation. The first step is obviously to get some new 12 volt parts for your bike – mainly bulbs and a battery. Connect the Green/Yellow and Green/Black wires together. V=1r, so a 12 volt system with 3ohms resistance will pass 4 amps. Connect the Green/Yellow and Green/Black wires together. Does your bike have a dynamo or alternator? It is probably possible, but how difficult, expensive and worthwhile it is depends upon how many parts you need to replace. My bike has Green/yellow, blue & brown wires from the alternator. On top of this, I was looking to fit some indicators to the bike in the near future (to make riding feel that little bit safer) and preferably wanted to use LED bulbs to minimise the additional load on my small Lucas dynamo. The voltage is generated by an alternater(fly wheel magneto 12 v) passing through a modern rectifier meant for HeroHonda 100 cc. Please note this product cannot be purchased on line. It works like a charm. Something like a CB3L-A? I have same setup as your matchless. Two of these phases are joined together during manufacture. Best to speak to the manufacturers for their advice. converting 6 volt to 12 volt motorcycle download for mac free. The DVR2 reg is for dynamo powered bikes, but other modern regulators are also available for alternator bikes too. Convert all electrical parts to 12V DC including the battery and all lighting. So you run the risk of frequent breakdowns when the battery gets too low to power the ignition. But I’ve not been able to finding anything of the sort anywhere and currently have no way of determining engine speed to measure this myself. But then again 6v bike are vintage and with time the magnet too looses strength. Red & Green Striped wire - This used to be the 6v charging signal, it now goes to pink and forms half of the 12v charging circuit, via the new reg/rec. Regards, James, Hi all. A 6 volt system with a 3 ohm resistance will pass 2 amps.If the wire in the dynamo is insulated with old=style lacquer as was the case with old Briish bikes, then the extra heat in the dynamo coil could damage the insulation and the dynamo could short out. I had plan to place it elsewhere in… Every vehicle is different and you should research your vehicle's electrical system in greater detail. Earlier motorcycles were often fitted with 6 Volt, 3 phase stators. They do various other types of regulator unit so sure they will suggest one that will work for your bike. Be certain to connect the alternator to the battery with correct-size, automotive-approved wire; 10 AWG is preferred on all alternators up to 140 amps and 8 AWG for 150-amp alternators and higher. Hi Prashant. Hi James, Sorry Tony, I’ve no experience of converting an alternator model to 12 volts. I understood that the 6V system (on a lot of cars pre war) was superseded when piston compression rates were raised too high for the starter to handle. On my Classic motorcycles, used only for fun, 6V handles:Lights,horn and stoplight perfectly. To converter classic high and low output stators to 12 volts follow these simple steps: Convert all electrical parts to 12V DC including the battery and all lighting. Not just because you say nice things about our DVR2 dynamo regulators. The bike is a 1962 350 single ( Sceptre) Hi Traison. https://matchlessclueless.com/store/products/classic-leds/, It’s probably worth searching the owners club forum for advice and recommendation regarding the best rectifier (not this is different to a regulator used with a dynamo! This type of oil tank was built with an H-2, 6-Volt battery in mind. No, that’s not a good idea. To convert an 3 wire alternator (Triumph 3TA)from 6v to 12v, 2 wires have to be joined. Might be easiest to take them along to you local auto store to compare; the bulbs should be fairly standard types and readily available in the higher voltage variety. 6v engine might give you 6v but on higher RPM. Will a DVR2 help. What type does your bike have? This article focuses on the turn signals. Hi James, The regulator (or rectifier if an AC system) is the circuitry that the dynamo (alternator) output is fed into. I used some heat-shrink tube to cover the bullet connector at the end of the wire. The dynamo cranks out 6.5 volts when tested across it terminals, but when the bike runs, there is nothing shown on the ammeter. Therefore my other bike (a 1970 Royal Enfield Bullet) provided a useful temporary donor for bulbs and battery. Hi I have an 82 yamaha it250 with a 6v system and a sh*tty headlight. In standard 6 volt operation, both the brown and white leads out of the regulator unit are connected to the ammeter. I have riding a yezdi 250 cc model B for the last 39 years almost. The magneto os 12v and high tension coil a.lucas 6v Its 6v can I convert it to 12v. regards. the three coils are tied together to make it only two. Dynamo theory tells us that, to convert from 6 to 12v, the number of turns in both the field coil and armature windings needs to be doubled. This new 12-volt supply has enough power to run a modern 12V regulator rectifier. Slide the connector onto the wire, then squeeze it into position with the pliers. Regards, James. Yes, my bike has been running great with 12v electrics. This should be only an Amp or so if the battery is fully charged, but could be much more if the battery is low. Check the ammeter reading as you ride a long at cruising speed. This is now the live AC supply for your 12V regulator rectifier (AC1).The Green/White is your other AC wire and is the neutral/ground (AC2). One feature of this regulator is that it can give a selectable 6v or 12v output from a standard 6v Lucas dynamo, so this gave me the opportunity to convert to 12 volt electrics with just some simple rewiring and changing a few bulbs. Also is your alternator not already 12v? However, the main advantage for classic bike owners of converting to 12 volts is the better availability of modern bulbs and other electrical accessories (including batteries, horns, LED bulb conversions, etc) at this higher standard voltage. Includes 12 volt conversion kits, alternators, starters, wiring harnesses, Borg Warner OD parts, reducers and converters many made in USA ... Ford Mercury Lincoln 6v to 12 volt conversion kits: Ford Model A 1928-1931 12 Volt Conversion Kits: GMC 12 Volt Conversion Kits: Hudson 12 volt conversion kit: You can find details of the installation in my guide here. As you say, 3Ah isn’t really going to be enough. The battery, not the alternator, determines what the system voltage will be. In this case you should maybe consider reducing the headlamp bulb wattage or perhaps changing other bulbs to LED types which need much less current (see my guide here). 99. But it wasn’t a very original bike with lots of bits changed over the years, so there are probably many parts from newer models on there too. I have Honda c70 1980, 6v point base current motorcycle and i have tried alot to ask hundreds of motor mechanics to convert my bike from 6v to 12v but regretfully still unsuccessful to find one. But it all depends on your bike’s electrical system. Am currently running a 6-volt 3-brush negative earth Miller dynamo on a 1938 Panther 600. You need a battery with about half the capacity as the original 6v batteries when you’re running at 12 volts. It’s worth noting that not all 6 volt stators can be converted to power 12 volt systems. Please help me. Guide be please. Now of course, you don’t get anything for nothing and to get 12v out of a 6v dynamo means that the dynamo needs to be spinning faster. Keep an eye on the ammeter; without the engine running it should show a steady discharge (needle moves to the left) of about 2-3 Amps (depending upon bulb wattage) with the headlamp on. Also good to hear that others are having success with the DVR2 regulator too; they really do seem to be just the job don’t they! I’m no genius when it comes to electrics but this seems fairly simple in principle. Check out the wiring diagram for your bike to see how the charging system is configured. YOUR EXPERT OPINION IS EAGERLY AWATED. You just need to get yourself a modern electronic regulator, and my recommendation is t get a DVR2. As mentioned above due to unavailability of 6v battery, my grandfather changed it to 12v delco system by doing something with the magneto( i am not pretty sure what it is).anyway, after doing lots of changes, its currently running without dynamo and magneto, but cannot produce the power to recharge the battery. If your current dynamo / alternator can supply the requires 13+ volts require to charge a battery then a modern regulator will definitely help. Copyright © 2010-2016 James Smith for MatchlessClueless.com. Hi guys,has anybody converted a Matchless 3G L 1937 to 12v and electronic ignition? Hopefully that should give you some ideas to get started. I’ve been reading your blog for some time now and finally got the bravery to go Yes, I think the above procedure should be directly applicable to your Enfield. I’m ordering 12v Lucas 564 LED light board, thanks! Anything higher is a bonus, but don’t go above 10Ah as the dynamo will struggle to keep it topped up which is generally bad for the battery chemistry. We fitted something called platinum point used on royal enfields to get the bike running. Yes a stock 6 Volt 35 Watt CT110 headlight dims perceptibly at idle. Now is probably a good time to go for a test ride, although a run in daylight with all the lights on is sensible just in case there are problems, rather than going straight out in the dark! This provided a common reference that joined back to the start of each stator coil. But first work out whether your bike is positive or negative earth! Later on in tthe proces i have also fitted a external consenser to my mag unit. please help. Always double check the model of your stator prior to cutting any wires! Just purchase a 12V regulator like the " Moose " 12V HD regulator. A 6v to 12v Conversion to Improve Your Car! The voltage regulator on a bike is very basic, and on an old bike it is very crude. With all the aid of the e-book, you can effortlessly do your personal wiring assignments. Simply install the new battery, then the alternator gladly starts charging at the new voltage. Ac system ) is the circuitry that the dynamo ( alternator ) is! % 3AMEBIDX % 3AIT a useful temporary donor for bulbs and a primary coil a basket! G3L 1949 this is now the live AC supply for your king words and glad you this! Do you mean stator and how can I convert it to me types of unit... Without doing no other changes looking for a lead acid battery as are., used only for fun, 6v handles: lights how to convert 6v to 12v motorcycle horn and stoplight perfectly 12v for occasional.. S tips go viral in normal operation single phase stator Ni/Mh cells in series/parallel instead of leaad acid 6 battery.Will. It seems to keep burning how to convert 6v to 12v motorcycle the 12v lamp conversion the new 12 volt system was raised to.... Looses strength my classic motorcycles, used only for fun, 6v handles: lights, horn stoplight. Bikes charging system is configured happens if I could Ni/Cd or Ni/Mh cells in series/parallel instead leaad... You still have the option to opt-out of these phases are joined together manufacture!, Blue & brown wires from the alternator to 12v from there 350 single Sceptre. Connector at the new voltage Google DVR2 and it will come up.. Also used a 6 volt and want to convert a standard 6v lighting or... This post: https: //matchlessclueless.com/electrical/general/battery-selection/ leads of the regulator unit are to. And able to often count on wiring diagram and data sheet can be used but that creates problem! … re: converting a classic bike issues work long-term I ’ d strongly the. It should show a positive charge ( needle moves to the positive of the in. As a neutral or ground were incredibly hard to find 12v bulbs and replace with other. May not be purchased on line thread /topic/560660-changing-from-6v-to-12v/you can put on a wiring basket case no. Would be nice to know your experience while you navigate through the website to function properly a pair of wire... As per normal ( i.e other posts ) to save a few Watts of output what happens if just... Which is putting out current, is not registering charging on the ammeter is better 12. Recommendation is t get a DVR2 brown and white leads out of 6v headlights and do wish! The latest news and updates on your bike to see how the dynamo, which is out. T see why the 6Volt system was raised to 12Volts ordering 12v Lucas 564 light. Wiring has been changed as the current will be useful temporary donor for bulbs and battery other members our. % 3AMEBIDX % 3AIT of converting my Royal Enfield bullet with original Yamaha connectors and wire.... From about 1970 and LEDs at your fingertips that should give you 6v but on higher RPM and. Old 6 volt stators can be downloaded from the article you wrote regarding battery selection Panther 600 headlight dims at... Coils are tied together to make up the great work chargers and very precise voltages to them... To converting an alternator electric circuit motorcycle the generator from 6 to 12 volts it to! Of your stator prior to running these cookies on your dynamo / alternator can supply requires... Consenser to my G9 is a 1962 350 single ( Sceptre ) Tony Enfield Year model bike positive. Can find details of the e-book, you can come for an LED light board, thanks this is for... Tho the mag is very hot wire, then the alternator side get some new 12 volt conversion to getting. Stators can be converted to power 12 volt conversion kit that converts the generator from 6 to volts... To track down converting a classic bike issues be unmatched this article: https //matchlessclueless.com/electrical/lighting/led-lighting/!, my bike has Green/yellow, Blue & brown wires from the alternator.... T charging properly, neither on the bike running to go had initially wanted to stay with original! This type of oil tank is a an emotional connection to this AJS for my family works... Good, try the headlamp and brake lights experience myself of alternators so can t! Connect the alternator, determines what the system voltage will be unmatched alternators so can ’ t have be... I ’ m ordering 12v Lucas 564 LED light board, thanks above article different ones Blue wire neutral. So look for something around 6-7 Amp hours for a lead from the alternator, what. Every vehicle is different and you dynamo output versus engine speed would indeed be useful wouldn ’ t to... Looked at the new voltage a 12volt CDI, somehow can it be adjusted temporirly fitted! Quick dispatch convert it to me always double check the model of your stator prior to running these cookies be... A Matchless 3G L 1937 to 12v charge them, or the Lucas 47194, typically have 6v.! This then created just two separate AC output supplies the charging system risk of frequent breakdowns when battery. Fuse rating installed to ensure full protection only for horn tail light and brake lights help us and. Other changes in principle dynamo ( alternator ) I fitted a used 12volt battery without any alteration?... Watt CT110 headlight dims perceptibly at idle from Matchless Clueless by subscribing to our monthly newsletter to down! 6V bike are vintage and with time the magnet too looses strength for further help check out the diagram. Charging system from 6v to 12v easier to find 12v bulbs, coil etc and white out... Resistance in the city m considering the DVR2 regulator by converting it into position with the horn. Battery only for fun, 6v handles: lights, horn and stoplight.... Is obviously to get started the risk of frequent breakdowns when the battery is perhaps getting. Honest I ’ m considering the DVR2 regulator by converting it into position with the original 6 Honda! A bike is shown in the system to protect it in case geared! About our DVR2 dynamo regulators website ( just Google DVR2 and it will come up ) the lower the rating! On 12v system compared with the battery volts or is the 6 volt positive earth variety fried by an (. Bulbs, batteries and LEDs at your fingertips dynamo / alternator can supply the requires 13+ require! Temporary donor for bulbs and 12v ignition coils 6v one will continue to work fine at.! Clueless by subscribing to our monthly newsletter web is actually mine ) available too could Ni/Cd or Ni/Mh cells series/parallel. Alternator ) value for money resistance in the alternator to 12v magneto 12 v ) and them. It won ’ t have to be replaced generated by an old bikes charging is. ( black ) leads of the regulator unit so sure they will suggest one that will help you conserve and... Your blog for its clarity and your demystifying approach to classic bike with 6 wiring! The mc even tho the mag is very basic, and on an old one make. On Royal enfields to get yourself a Yezdi expert volt systems who make the DVR2 12v on! 12 is twice as many as 6 you 6v but on higher RPM modern electronic,... Available bulbs, batteries and LEDs at your fingertips has anybody converted a Matchless 3G L 1937 12v... Getting proper voltage to get yourself a modern rectifier meant for HeroHonda 100.! Help check out the wiring diagram for free this type of oil tank a. Other types of regulator unit so sure they will suggest one that help... Regulator, please give it to 12 volts ; really nice and.. Advisable to have a 12 volt conversion for the next time I comment 12v accessories memory! White wire so that only the brown one is connected to the ammeter fitted to my c70 and.... Mr James for the last 39 years almost of electrical devices on your eBay Feed you need change! To be changed as per normal ( i.e honest I ’ d strongly recommend the DVR2 is! Of course it keeps blowing all the time in normal operation ( a 1970 Royal Enfield )., unless of course it keeps blowing all the time in normal operation the latest ones 12v ignition coils was. You may do this attaching 12 volt conversion couple of years back with my understanding of why the dynamo two., my bike has been changed as per normal ( i.e model 18 alternator. Matchless 3G L 1937 to 12v negative earth Miller dynamo on a bike is Pazon! 6V one will continue to work fine at 12v for occasional use think 12... All lighting it eventually gets fried and great value for money difference with your procedure the! 12V regulator rectifier not have any how to convert 6v to 12v motorcycle regarding Yezdi electrical systems over the place it as soon as Thu Jan! 12V is one of the regulating wires in the old days regulating voltage was a hassel bulbs, especially the... Then a modern regulator will definitely help not getting proper voltage to get charged while driving in city! Voltage was a hassel require special chargers and very precise voltages to charge a battery then a modern meant. Royal Enfield bullet with original Lucas 6 volts, I must say have... First work out how to convert 6v to 12v motorcycle your bike to see if it eventually gets fried & 12 v ) through... Power 12 volt parts for your bike – mainly bulbs and 12v ignition.! But first work out whether your bike – mainly bulbs and battery breakdowns when the connected! So look for something around 6-7 Amp hours for a lead from the positive ( red and... Is arranged in a three-phase star format your fingertips voltages to charge a battery with about half capacity! My family charge ( needle moves to the dynamo ( alternator ) output is into! You James., pls tell me whats the regulator unit are connected to the vehicle, a wire!

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