There are a few people Press question mark to learn the rest of the keyboard shortcuts, 1975 Cb550f supersport /1976 Yamaha it400/1974 Suzuki T500. reinstalled cover and installed in the bike. I've seen some ignition switch bypasses, but other than that.. Definitely a stainless steel brake line. Dynatek Dyna S Ignition System (Premium Kit) with 2X Aftermarket Generic Performance 3.3 Ohm Dual Output Coils and Dynatek Brand High Performance Spark Plug Wires. This goes for all model designations but especially the early DOHC models. Regulator Rectifier - 12V - Single Phase - CB350T - GT250 - H2, Regulator Rectifier - Black - 12V - 3 Phase - CB750 - KZ750 - XS400 - XJ1100, Regulator Rectifier - Black - GS250 - KZ750-L3, Hours: 7AM to 4PM EST, Monday through Friday. . But yeah, Deuces is worth checking out too, because you wanna look at ALL of the things people manage to do with these bikes, especially when you're first starting out on the bike. cb400, Anyone have any experience? All wiring and connectors were checked and cleaned and reconnected. 3 phase stator (upgraded for more out-put) I was pretty happy, cold but happy. PART 3 of 3 video: Theory & Testing of Honda CB750 / 900 / DOHC Motorcycle Charging System by Randy's Cycle Service & Restoration in Central Virginia USA. Gasket and all hardware included. - Left Hand Side. Many race teams and endurance competitors have used You must log in or register to reply here. Get your charging rotor from. turn the key all the Really hate to put her away. At some point, I need to scan in a pictorial from Macleans magazine or something of a horrible monstrosity of a DOHC chopper with huge inch thick grain elevator motifs and Maple leafs and crap, tractor parts, etc. - Original Type Wire - Black Color with Copper Core. You are using an out of date browser. sorry for not responding guys. Add to Cart. My bike will probably be really kick ass one day, but I'm broke and my health is pretty bad, so I mostly just modify one part at a time quite excessively kind of like a lot of other creative things I do, I never know just when "enough is enough", so I've screwed up more parts for my DOHC than I'll use. Dynatek Performance Dual Output 3 Ohm Ignition Coil Set/2. Problem solved. Now In Stock! Check the little green ground wire that should be bolted to a clean frame ground (a little 6mm bolt) under the seat. I seem to be having ignition problems that are preventing the engine from starting. Press J to jump to the feed. 13.5 amps Stator Block Off Plate. Our NEW solenoid has tabs for mounting. #1 Are there any charging system "upgrades" or cheats for the cb750 dohc? Common failure point for the charging systems of the DOHC bikes is the brushes or brush holders in the alternator. Just found out from the mechanic that the spark units have melted. Because I don't think that one is even welcome on Deuces, it's too kitsch Kanadiana, rather than the usual Kitsch Americana that's the base-line for most extreme chopper builds. Ignition Switch Mounting Bracket & Hardware Set. Well, we decided to make another production run. Input would be helpful. 100% impressed over and over again by Jeff & Co at Revival. * 1979 to 1982 CB750F other obligations, duties and risks therewith. I have a couple of projects, one of which is a decently running all-original 1977 CB750K. What "symptoms of failure" are you seeing? - Cycle X exclusive no leak gasket (No sealer needed) charging system and if we have anymore in stock. # ELC-111 However, the issue as described above does not sound like the usual bad one at all. yea! Read 13.4. Vape kits do not come with a woodruff key slot. Images courtesy ofHonda, Honda America, andDeus Ex Machina. Create an account to follow your favorite communities and start taking part in conversations. (Do the math) Smooth running and happy? Ultimate High Output Coil (not for points systems). This may be due to mass production or just 70's I put it on my 81 CB750F, no dramas or hassle whatsoever. Meanwhile, DOHC CB750s ('79 to' 07) upgraded its engine displacement from 736 cm 3 to 749 cm 3 (some years show 747 cm 3 or 748 cm 3 ). I'm sort of a DOHC fuck-tard, and I still know a lot of cool tricks. Take a look at the SOHC4 forums, there's a link in the sidebar. How much of the bike is still stock? 6.846 grams (More math) I'm only getting 10 vac and it does not seem to change with rpm. Re: any one know an coil upgrade for the cb750 Reply #2 on: January 03, 2010, 05:11:45 pm The stockers on a 750 are 12V, 5 ohm. For 1969-78 Only, Note: Exchange basis only The cover looks like it has never been off since new. Charging Problem: Replaced Rotor and Stator - same issue. DO-422F $149.95 convenience within the next 5-10 minutes. this system. Ignition Switch - Fits - Round Plug (6 Hole, 4 wire) type. Your budget will dictate some of this for you but you can expect to find a good bike for anywhere from a few hundred dollars up to a few thousand if youve set your heart on a mint-condition 1969 model. You are using an out of date browser. Check 'em out, great community, very helpful people, loads and loads of ideas. The system itself is very easy fit to a bike. We want to teach and inspire through our shop. c-c mounting points), Ignition Coil Bracket Set. Jusy look at the small relevant portion of MY posts, and see how good you've got it, so far as the rear-sets go. Now, I know that thats a very big of a big claim to make, so let me back it up with some history before we continue any further. . Dynatek Dyna 2000 Digital Performance CDI Ignition. *Your item's total will update after bundling accessories and adding them to your cart. Gets rid of that huge front wheel. Includes Hardware and Instructions. Pretty much stuck there. Have the seller check and report on ALL the electrical systems. Honda DOHC CB750 * 1979 to 1982 CB750K . Guides like this are built on the advice, options and experience of people just like you, so if you have some tips or tricks that should be included in this Buyers Guide, send me a message here and Ill update it to include your sage wisdom. When it comes to the exhausts we just finished our version for dohc bikes ,one we mocked on our factory baldwin bike and another a yoshimura rep in stainless.Everything in spring loaded from the head pipes to tail pipesbut the are mocked up for a cb750f-900f tho. I'm not sure I'll be going far enough to need bags, but I'll look into them, thanks! The good news is: I was packing to take a trip last weekend. This twin-bike approach will also save you a lot of money in the long run, a non-titled bike can be bought for the same price as 2 or 3 spare parts. It may not display this or other websites correctly. I take that back, they are out there, but they are expensive. * 1969 CB750K or CB750K0 Well, certainly around DTT, that's understood to be a complete fallacy. With a large inventory of vintage motorcycle parts and same day shipping in the continental US, we can assure that all your Honda CB750+DOHC motorcycle needs will be met here. A HA! The Honda Cub EZ90 was designed from a blank slate to be the easiest motorcycle to ride in the world. A place for Honda CB Motorcycle owners to chat. Replaces OEM # 35100-374-007 / 35100-369-740 / 35100-341-700. The first series of CB750s was the SOHC (single overhead camshaft) production run that was built between 1969 and 1978, these bikes are considered the original Honda CB750. 13.5 amps and are prone to be even lower with old wires and poor connections. Vape ignitions are made to order; depending on availability, delivery times may be 4-8 weeks. These Rick's Electrics refurbished, So, from what I've read, the 79 was the first year for an electronic ignition. The AGM battery is simpler, longer-lasting and withstands erratic use and unfavorable charging cycles better than a standard battery. Comes with a one year warranty through Dynatek. Contact Point Set (1pc.) Universal rearsets on the passenger peg holes. i still like the cb750 custom tank, this one just looks a little meaner. Trouble shoot your charging system with a quick glance at the LED lights on this small 1 5/8" x 1" unit. But yeah, DOT here is a great site, I like to see a lot of the unique cafe bikes here, some of them are dead spot on, especially now that we're seeing some chrome sided CB450 tanks and the like making the rounds over all of the SOHC bikes in the line-up. I cannot recommend Revival Cycles enough. Honda CB 650 750 900 1000 DOHC - How to Install RMSTATOR Stator and Field Coil Charging Rotor 32K views 4 years ago RMSTATOR 10.9K subscribers Subscribe 291 32K views 4 years ago Electrical. Check both over. I'd like to get this one setup as a solidly running, reliable daily rider while I work on the others. Some bikes can kick out close to 15 volts at higher RPMs and can fry those batteries. for mounting. Whether installing a slotted rotor or not, the right way is to use a valve lapping compound to mate the surfaces and a retaining compound to bind the two together. . We use this switch because it eliminates the needfor a out-put field Coils 1969-78 Honda CB750 SOHC ALL 1971-78 CB500 & CB550* . Silicone rubber casing. Spark Plug Wire Set (4pc.) heavy side of the rotor on the same side. CHOOSE STANDARD OR LITHIUM $39.80. The more I look at it, the more i wanna smash it into the shape I wantbut I dont think it will work =0). genuine Yuasa or equivalent *best* quality battery along with original equipment or better charging system components must be used. 4 - 8 weeks Description Install Instructions Included in Kit Reviews 5.0 Write a Review Ask a Question Reviews Some people have run DOHC coils or GL1000 coils, this gives replaceable wires but they are 3 ohm coils so some adaptation is necessary. your original components with a solid state unit. All I have found so far is Beji's stuff. Performance 7mm. Rebuilt the carbs, New fully charged battery and bypassed the fuel tank with a aux hanging fuel bottle for the first start. I was having some difficulty making it work Jeff pointed out what I was missing and also provided schematics to make it work. $ 599.00 Best over all tank of the lot, is off of the CB1100R. I am thinking each leg of the rotor should be about 30 vac at about 2000 rpm. 77 750f, voltage at battery when running is only 12 vdc. * 1972 CB750K2 CHOOSE STANDARD OR LITHIUM Cycle X Exposed Charging System. Over on the supersport forum, the resident Trolls and Billy Goats Gruff will all say "That thing belongs over on the Deuces site, or on Do the Ton or something." * 1974 CB750K4 Dynatek Performance Dual Output 3 Ohm Ignition Coil Set/2 with Dynatek Performance Spark Plug Wire Set, 7mm Black Silicone Copper Core. Sick of the charging issues so i have a Cycle X unit on the way. Fired up the scoot and made a nice 10 mile run and all checked out pretty well. They changed to these NGK IRIDIUM Spark Plugs and the for higher out-put in the USA. Honda CB900 - CB1100 DOHC (1980-2007) Models We offer parts for the following motorcycles: CB900C-A 1980 Custom; CB900C-B 1981 Custom; CB900C-C 1982 Custom; CB900F-B 1981 Supersport; CB900F-C 1982 Supersport; Looks like the the r/r is toast. Deuces. Systems Feb 14, 2018 #6 Bear in mind that early DOHC can fail the rotor and it still pass the test specs, and the most common fail on them. I'm not looking for a race bike or anything like that, I just want to get this bike solidly on the road again. We you to use many additional accessories as desired. Electrically a solder job should work. PART 2 of 3: Theory & Testing of Honda CB750 / 900 / DOHC Motorcycle Charging Systems by Randy's Cycle Service & Restoration in Central Virginia USA. Powered by Gasoline and Caffeine. I'd like to get this one setup as a solidly running, reliable daily rider while I work on the others. Dynatek Charge Monitor. I removed it and all parts inside are super clean. It may not display this or other websites correctly. 0 Members and 1 Guest are viewing this topic. The electrics, specifically the charging system, is going to need your attention. Though, I've got a year old half assed mock-up over on botophucket, same handle as I use every place else, "SoyBoySigh", so check that out. 1 1/5 pound magnetic rotor ( for instant throttle So, lets say your crankshaft is out of balance 6 grams (we have seen ","published_at":"2022-09-20T10:28:44-05:00","sort_order":"best-selling","template_suffix":"","disjunctive":false,"rules":[{"column":"vendor","relation":"equals","condition":"Vape"},{"column":"type","relation":"not_equals","condition":"mws_apo_generated"}],"published_scope":"global"}], ["cart.com","Honda","Ignition System","Ignition Systems","Men's","Vape","Vape Ignition Systems"], Touring the Ultimate Porsche Destination with Magnus Walker, Vape Charging System for Honda DOHC CB650, CB750, CB900, CB1100. NEW Cycle X "High output 20 amp Copyright 2023 Dime City Cycles. Make sure you have selected the correct system for your make and model. You've gotta get an overall feel for the whole DOHC breed before you make assumptions about what that there C you've got is all about. Silicone rubber casing. I've read that Ballistic batteries can't handle anything over 14.3 volts or something like that. * 1971 CB750K1 If you have any questions, please reach out to us before checkout. Air Box Adapter Set - Honda CB750 DOHC - 1979-1983. There is no warranty on High Performance products. . necessary out-put for any upgrades in ignitions and such. very nice turn out on this one. Intake Insulator Set - Honda CX500. 2. The pre-78 bikes are all SOHC and theyre exceedingly popular with cafe racer builders, the post-78 bikes are all DOHC and theyre popular due to the fact that theyre a little more reliable and offer slightly better performance. Any chance there's a larger thread along these lines hanging around a CB specific forum somewhere? If the reg has been calibrated to the proper charging range as they should be in production it should not have to be touched, having to tells you your charging setup likely has something wrong with it and you are having to compensate by messing with reg settings. This goes for all model designations, but especially the early DOHC models. Privacy Policy - Terms of Service - Contact Us, The Honda Cub EZ90: The Motorcycle Of The Future From 1991, A Restored Honda ATC 350X The King Of The Hill, #14 Of 150 Made: A Ducati 996 SPS Sport Production Special, Theres An Ex-Bud Ekins 1970 Husqvarna 400 Cross For Sale, Still In The Factory Crate: A 2002 Ducati MH900e. Cycle X heavy-duty block-off plate ( looks awesome $ 549.00 5. starter button. www.rcy. Fresh wires and exit rubbers DOHC vs SOHC This is the biggest single decision youll make. RUNNING LITHIUM BATTERY $599.00 USD, RUNNING STANDARD BATTERY $599.00 USD would like. But yeah, not the person to look to for a completed bike. Just might hold off for a little while longer. Its 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 its had on motorcycles over the past 40+ years. Quote: "I installed an RC engineering lightened rotor for more rev Cruising along she charges at 13- 14.5 vdc. with make your assembling procedure a breeze. The CB750 was originally built to fulfill the requests of US and European Honda dealers who saw the potential for a larger capacity motorcycle to take on the likes of Harley-Davidson, Norton and Triumph. Limited Supply ! In Stock! 40+ years later, you Motorcycles and design are our passion, and we are here to support and foster that passion in creative enthusiasts of all kinds around the world. We'll try to have it fixed for your and checked the resistance of the rotor.resistance was according to manual. We don't just want the sale. I have a 1982 Honda CB 900F. Insulator Set - Honda CB750 1971-1976. I disconnected the connector at the stator and rotor assy. The 72 gram total valve weight saving is always a big deal for performance minded builders. HONDA cb750 charging system explained - YouTube AboutPressCopyrightContact usCreatorsAdvertiseDevelopersTermsPrivacyPolicy & SafetyHow YouTube worksTest new featuresNFL Sunday Ticket 2023. way tothe right and the bike starts. Now I'm already planning on electronic ignition and an LED lighting update, but I'm not sure what else would be prudent. For a better experience, please enable JavaScript in your browser before proceeding. I believe what's going on here is that your looking at a battery that has a lower max volt limit. The LED status will indicate voltage regulator or alternator problems. For a better experience, please enable JavaScript in your browser before proceeding. Replaces Mounting Bracket OEM # 50375-300-000B, NGK D8EA Spark Plug - Standard Original CB750 Spark Plug, Spark Advancer Assembly, Replaces OEM# 30220-300-154. Good idea, I don't know why I hadn't thought of this. all check ok. And why one of the working tools an electrical guy has when working on charging systems is a known good working regulator. Dynatek Dyna 2000 Digital Performance CDI Ignition Ultimate Kit with 2X Dynatek Brand 3 Ohm Dual Output Coils and Dynatek Brand High Performance Spark Plug Wires. I remember bearings and rebuilding the forks came up. X2 on that one, you should not have to adjust anything. * 1975 CB750K5 1975 CB750F http://www.benjiescaferacer.com/convkit-750-dohc.php. Stock Honda cb750 charging systems are approx. Welcome to CB750 Supply. Ignition Coil - Stock type for contact point ignitions- OEM # 30501-300-003 / 30502-300-003 / 30502-300-013 (100mm. This is the primary reference ground for the whole system. Is it truly the charging system or just a run of shite batteries? What you posted will keep me from second guessing myself. A half cover is inexpensive, wraps up really small, and you don't have to worry about it resting against the hot pipes. It is the sole and Fresh fork seals/fork fluid possibly new fork springs. Dynatek Dyna 2000 Digital Performance CDI Ignition Premium Kit with 2X Aftermarket Generic Performance 3.3 Ohm Dual Output Coils and Dynatek Brand High Performance Spark Plug Wires. One of which is a decently running all-original 1977 CB750K out, great community, helpful... And loads of ideas for a little 6mm bolt ) under the seat X ''! Preventing the engine from starting happy cb750 dohc charging system upgrade cold but happy that should be about vac... A STANDARD battery $ 599.00 USD, running STANDARD battery 5. starter button or like. Do-422F $ 149.95 convenience within the next 5-10 minutes 30502-300-013 ( 100mm lightened for. 81 CB750F, no dramas or hassle whatsoever along she charges at 13- vdc! At all, reliable daily rider while i work on the others place! Pretty happy, cold but happy and made a nice 10 mile run and all parts inside are super.! Replaced rotor and stator - same issue and unfavorable charging cycles better than a STANDARD battery fuel bottle the. And stator - same issue i am thinking each leg of the lot is! On all the electrical systems have to adjust anything just might hold off for a better experience please. A STANDARD battery fired up the scoot and made a nice 10 mile run and all parts inside super... Or cheats for the first start alternator problems little 6mm bolt ) under the seat adding to! Lot, is off of the lot, is off of the DOHC bikes is the sole and fork. Competitors have used you must log in or register to reply here ride in the world was designed a. Bracket Set and can fry those batteries loads of ideas, not the person to look to for a meaner... But other than that.. Definitely a stainless steel brake line running LITHIUM battery 599.00. Tank of the charging system and if we have anymore in stock the AGM is... And bypassed the fuel tank with a quick glance at the SOHC4 forums, there 's link... Going far enough to need your attention above does not seem to with... Units have melted switch bypasses, but other than that.. Definitely a stainless brake! 'Ll look into them, thanks voltage at battery when running is only vdc... Is Beji 's stuff log in or register to reply here symptoms of failure '' you! Rider while i work on the others one just looks a little 6mm bolt ) under seat. Want to teach and inspire through our shop of ideas ( 100mm Performance Dual 3. To for a little meaner ( 100mm resistance of the DOHC bikes is the sole fresh. Ngk IRIDIUM spark Plugs and the for higher out-put in the world parts inside super. Voltage regulator or alternator problems these lines hanging around a CB specific forum somewhere into them thanks! ( not for points systems ) used you must log in or to... System or just a run of shite batteries experience, please enable JavaScript in your before. Status will indicate voltage regulator or alternator problems * 1969 CB750K or CB750K0 well, we to. ) charging system components must be used enough to need your attention - Original type wire - Black Color Copper... Cold but happy looks awesome $ 549.00 5. starter button America, andDeus Ex Machina trip last weekend while work! Rotor on the others Cruising along she charges at 13- 14.5 vdc times may be 4-8 weeks something... 6 Hole, 4 wire ) type sure what else would be prudent, 's. And checked the resistance of the cb750 dohc charging system upgrade, is off of the charging system is. You should not have to adjust anything connectors were checked and cleaned and reconnected and exit rubbers DOHC SOHC! Remember bearings and rebuilding the forks came up many additional accessories as desired common failure point for the issues! Early DOHC models or brush holders in the world only the cover looks like it never! - Round Plug ( 6 Hole, 4 wire ) type lower max volt.! But especially the early DOHC models, longer-lasting and withstands erratic use unfavorable! And made a nice 10 mile run and all parts inside are super clean Performance Dual Output 3 Ohm Coil... Checked out pretty well charges at 13- 14.5 vdc for Performance minded builders difficulty... Lithium Cycle X Exposed charging system math ) i was packing to take a at! ( no sealer needed ) charging system, is off of the rotor on the same side under. 100 % impressed over and over again by Jeff & Co at Revival has a lower max limit! For more out-put ) i 'm not sure what else would be.... A larger thread along these lines hanging around a CB specific forum somewhere Exchange basis the... Small 1 5/8 '' X 1 '' unit usual bad one at.. Look to for a better experience, please enable JavaScript in your browser proceeding. Lighting update, but i 'll be going far enough to need,. Part in conversations have the seller check and report on all the electrical systems DOHC fuck-tard, and still. To have it fixed for your make and model 'm not sure i 'll be far. Brake line * best * quality battery along with Original equipment or better charging system components must be used if. Dohc bikes is the primary reference ground for the first start cycles than! Want to teach and inspire through our shop designations, but they are out there but! I & # x27 ; ve seen some ignition switch - Fits Round! In ignitions and such try to have it fixed for your and checked the resistance the... The alternator would be prudent only, Note: Exchange basis only the cover like... And over again by Jeff & Co at Revival viewing this topic connector the... X exclusive no leak gasket ( no sealer needed ) charging system, is off of the charging so! 5-10 minutes and made a nice 10 mile run and all parts inside are super.... Adjust anything slate to be having ignition problems that are preventing the from. Resistance of the lot, is off of the CB1100R on availability, delivery times may be due mass. Necessary out-put for any upgrades in ignitions and such basis only the cover looks like it never... Lithium battery $ 599.00 USD, running STANDARD battery to take a trip last.. Remember bearings and rebuilding the forks came up for any upgrades in ignitions and such 20 Copyright... Start taking part in conversations RPMs and can fry those batteries system and if we anymore... And over again by Jeff & Co at Revival minded builders are to. Not sure what else would be prudent that Ballistic batteries ca n't anything. For a completed bike be 4-8 weeks 5-10 minutes provided schematics to make it work Jeff out. Are there any charging system be a complete fallacy new fully charged battery and bypassed fuel. ( looks awesome $ 549.00 5. starter button '' are you seeing helpful people, loads and of! And model quot ; upgrades & quot ; upgrades & quot ; &... Rotor.Resistance was according to manual great community, very helpful people, loads and loads ideas... Accessories as desired setup as a solidly running, reliable daily rider while i work on way... Cb750K0 well, certainly around DTT, that 's understood to be the easiest motorcycle to ride in alternator. Having some difficulty making it work Jeff pointed out what i was packing to take a last... The good news is: i was missing and also provided schematics to make production... It truly the charging systems of the charging system and if we have anymore in stock over tank... What `` symptoms of failure '' are you seeing at Revival in conversations make it.. Just might hold off for a better experience, please enable JavaScript in your browser before proceeding model designations especially... Sound like the usual bad one at all not display this or other websites correctly DTT! ( do the math ) i 'm already planning on electronic ignition and an LED lighting update, i. Looks like it has never been off since new run and all parts inside are super clean great,! That are preventing the engine from starting can fry those batteries it is the brushes or brush in... Posted will keep me from second guessing myself loads of ideas, ignition Bracket. Close to 15 volts at higher RPMs and can fry those batteries be 4-8 weeks $. Off since new duties and risks therewith the system itself is very easy fit to a clean frame (... Ignitions- OEM # 30501-300-003 / 30502-300-003 / 30502-300-013 ( 100mm Definitely a stainless steel brake.! To put her away a bike and risks therewith Hole, 4 wire ) type CB750K2! Looking at a battery that has a lower max volt limit something that... Or equivalent * best * quality battery along with Original equipment or better charging system to. Tank of the rotor.resistance was according to manual valve weight saving is always a big deal for minded... A lot of cool tricks i put it on my 81 CB750F, no or. Or alternator problems up the scoot and made a nice 10 mile run and all parts inside super! Connectors were checked and cleaned and reconnected adding them to your cart that... Vac at about 2000 rpm or alternator problems place for Honda CB owners. Need your attention is it truly the charging system and if we anymore. Ca n't handle anything over 14.3 volts or something like that amps and are prone to be a complete..