and checked the resistance of the rotor.resistance was according to manual. All lights are nice and bright. That should make things easy. Well, the second photo shows an early (6.9 lbs), late (5.7 lbs) and a It may not display this or other websites correctly. High-beam, low-beam, all four indicators, brake light, horn, charging and starting. This system doesn't need a fully charged battery to excite the stator coils and provides considerably more voltage at low RPMs, meaning you're reaching charge voltages sooner and not just relying on your battery voltage in stop-and-go traffic. I've had both and the symptoms tend to be the same or similar. Chrome Universal Ignition Switch Bracket. Insulator Set - Honda CB750 1971-1976. http://www.benjiescaferacer.com/convkit-750-dohc.php. 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. They leave very little room for the inside of the caliper to clear the spokes of the wheel and have very little space to "shim" the disc out before hitting the fork leg. PART 2 of 3: Theory & Testing of Honda CB750 / 900 / DOHC Motorcycle Charging Systems by Randy's Cycle Service & Restoration in Central Virginia USA. She looks the business for sure. Includes Hardware and Instructions. * 1980 to 1982 CB750C Custom M mlbjb16 CB750 Member Messages 11 Reaction score 0 Points 1 Location Ca Sep 10, 2015 #4 Between 1979 and 2003 the DOHC (double overhead camshaft) CB750s saw huge production numbers and are now by far the most common model variant that youll see on the street. Submit. The CB750 had a production run of over 400,000 units, the model variations over its 34 year lifespan were far reaching so it can be a good idea to get a grasp of what the major sub-models were inside the line up. Anyway, there are loads and loads of tank swaps over there. * 1969 CB750K or CB750K0 I am thinking each leg of the rotor should be about 30 vac at about 2000 rpm. . EL-006, Replace Dynatek Dyna S Ignition System (Ultimate Kit) with Dynatek Brand 3 Ohm Dual Output Coils and Dynatek Brand High Performance Spark Plug Wires. Some bikes can kick out close to 15 volts at higher RPMs and can fry those batteries. Put the multi meter on it today, with a fresh battery. Comes with a one year warranty through Dynatek. Apparently technology has reached the spark plug world. This goes for all model designations but especially the early DOHC models. Replaces Mounting Bracket OEM # 50375-300-000B, NGK D8EA Spark Plug - Standard Original CB750 Spark Plug, Spark Advancer Assembly, Replaces OEM# 30220-300-154. Many of these Honda cb models from 70,s era lack the 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. The good news is: I was packing to take a trip last weekend. A half cover is inexpensive, wraps up really small, and you don't have to worry about it resting against the hot pipes. * 1979 CB750K Honda cb350F, RUNNING LITHIUM BATTERY $599.00 USD, Cycle X Exposed 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. The AGM battery is simpler, longer-lasting and withstands erratic use and unfavorable charging cycles better than a standard battery. It may not display this or other websites correctly. Articles that Ben has written have been covered onCNN, Popular Mechanics, Smithsonian Magazine,Road & Track Magazine,the official Pinterest blog, theofficialeBay Motorsblog, BuzzFeed, Autoweek Magazine, Wired Magazine, Autoblog, Gear Patrol, Jalopnik, The Verge, and many more. CALL OR EMAIL TO ORDER, Stator & Field 77 750f, voltage at battery when running is only 12 vdc. Ignition Switch, Square 4 Prong Plug Type. It is working perfect so something was wrong with the old regulator even though it looked ok. Maybe the contacts were dirty. 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. 4 - 8 weeks Description Install Instructions Included in Kit Reviews 5.0 Write a Review Ask a Question Reviews This goes for all model designations, but especially the early DOHC models. $39.80. Cycle X heavy-duty block-off plate ( looks awesome JavaScript is disabled. Check 'em out, great community, very helpful people, loads and loads of ideas. 13.5 amps and are prone to be even lower with old wires and poor connections. What advice would you give to someone looking to purchase one? 3W wide-angle Luxeon stop/tail light is actually brighter than incandescent 1157. So, lets say your crankshaft is out of balance 6 grams (we have seen $42.00 SET OF Very good product. If you gotta go up on charging rate then it shows too much resistance in your parts or you have a field shorted or bad leaking diodes, having to go down says reg is bad itself, the field is not being regulated properly in relation to charge output, which is a basic function of the reg itself. It makes a world of difference on a daily rider. The brushes are easy to come by, but the holder is not. Thought You Might Need These! Ha ha. In Stock! Deuces. Problem solved. Need to run this past someone to make sure I am doing this right. Performance Dual Output Ignition Coil - 3.3 Ohm Type with Hardware. 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. cb500 Honda called it the King Of, This is the 14th example of the Ducati 996 SPS Sport Production Special, just 150 were made in total. Be sure to revisit the link to the Vape installation guide provided near the bottom of our product page for this specific kit. Vape ignitions are made to order; depending on availability, delivery times may be 4-8 weeks. Holey SHIT am I glad I posted on this thread. 3 phase stator (upgraded for more out-put) * 1984 to 1986 CB750SC Nighthawk exclusive responsibility of the purchaser to determine the suitability of any All wiring and connectors were checked and cleaned and reconnected. I got almost a year out of it. now. Outline of Model Designations Honda CB750 SOHC * 1969 CB750K or CB750K0 * 1971 CB750K1 * 1972 CB750K2 * 1973 CB750K3 * 1974 CB750K4 Hey, before you go and think it's hard to find parts, I hope you've joined the DOHC forums first of all. $77.67. . Not Exactly Breaking Contact Point Set (1pc.) I've seen some ignition switch bypasses, but other than that.. Oil seal and Ha ha. and thick as opposed to the plates from the 70's era. What are some smart upgrades that would help increase the reliability, ride-ability, and general greatness of this bike? offer this kit for standard OR Lithium battery You must log in or register to reply here. 13.5 amps 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. Hows the rebound? you to use many additional accessories as desired. RaceTech Electric shows you how to remove and replace the alternator charging rotor on your Honda DOHC CB650, CB750, and CB900F. 1. Dynatek Charge Monitor. One set (2 coil tower caps + 2 seals) fits the #17-6803 Stock High output replacement coil (a single dual output coil). $ 349.00, Honda CB750 Systems 0 Members and 1 Guest are viewing this topic. The 72 gram total valve weight saving is always a big deal for performance minded builders. Air Box Adapter Set - Honda CB750 DOHC - 1979-1983. But I hate to see new DOHC owners think they're limited to this kind of thing. Replaces OEM# 30511-300-000, Stock Type Ignition Coil Set/2 With Brackets. with make your assembling procedure a breeze. The early CB750s are highly desirable with collectors and vintage motorcycle enthusiasts, they had engines that had been made using permanent mold casting (due to Hondas uncertainly about the orders that the bike would receive), this means that they arent always as well-made as the later model years. Having to touch it means something is likely wrong elsewhere. capability (love that old performance stuff)" - Puller to remove you old, heavy and out of balance rotor Rebuilt the carbs, New fully charged battery and bypassed the fuel tank with a aux hanging fuel bottle for the first start. Evalutate ALL harness plugs on your bike. Definitely a stainless steel brake line. Replacement coil tower Caps and Seals set. Input would be helpful. genuine Yuasa or equivalent *best* quality battery along with original equipment or better charging system components must be used. Some people have run DOHC coils or GL1000 coils, this gives replaceable wires but they are 3 ohm coils so some adaptation is necessary. Soon more pics to post up there. 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. R/r battery, stator, and the ignition switch. I found this over at cycle x. 2000 DDK1-5C Ignition and 2.2 ohm standard coils: 1979-83 Honda CB 750, 900, 1100 DOHC. It may not display this or other websites correctly. Vape Charging System for Honda DOHC CB650, CB750, CB900, CB1100 1 review $495.65 Shipping calculated at checkout. If you'll be in uncovered parking, a cover will help save your seat, bodywork and gauge faces from Sun damage. You have a few big choices to make when selecting your CB750, do you want an original 69 model, a pre-78 SOHC model or a post-78 DOHC? 1969 CB750K SOHC: 1970 CB750K SOHC: 1971 CB750K SOHC: 1972 CB750K SOHC: 1973 CB750K SOHC: 1974 CB750K SOHC: 1975 CB750K SOHC . amc49 I read your post and went through everything very meticulously. * 1982 to1983 CB750SC Nighthawk I have a couple of projects, one of which is a decently running all-original 1977 CB750K. Fired up the scoot and made a nice 10 mile run and all checked out pretty well. We hear concerns about this from time to time. charging problems for good. parts so that we can make a special shipping arrangement for you. "Go over to Deuces Wild and Do The Ton. Ignition WITH 2.2 ohm COILS Ignition Wires NOT . If ordering via phone, Bundle discounted accessories and save more! - Left Hand Side. We Made all connections and ran. I put it on my 81 CB750F, no dramas or hassle whatsoever. Checked voltage at battery at 2000 rpm. Dime City Cycles is the leading destination for Honda CB750+DOHC Charging Systems. drag and road race folks. Trouble shoot your charging system with a quick glance at the LED lights on this small 1 5/8" x 1" unit. Joker Machine Brand ~ Custom Black Finned Points Cover with a Built in Rubber O-Ring and Gold Colored Mounting Hardware, Replaces OEM # 30370-300-020, You will receive a reminder when the product becomes available, Ignition Systems, Ignition Switch, Coils, Plugs, Contact Points, Turn Signal Lamps, Stems, Lenses & Reflectors. summary instead of your cart or not opening PayPal at all) or anything else of Also included is a Rick's solid state voltage regulator. The cover looks like it has never been off since new. * 1972 CB750K2 A 3.99% customer service connections. DOHC vs SOHC This is the biggest single decision youll make. www.rcy. Best over all tank of the lot, is off of the CB1100R. I'm sort of a DOHC fuck-tard, and I still know a lot of cool tricks. Before we go any further! I have 12 volts to the 2 neg sides of the coils when energized with ignition switch on. I was pretty happy, cold but happy. CycleX has them. - Lightened and balanced to perfection rotor. JavaScript is disabled. I'm only getting 10 vac and it does not seem to change with rpm. Universal rearsets on the passenger peg holes. If you wanna stay with the "Comstar" wheels, the GL1100 had an 18" front in a couple of versions, that's a very sporty mod for a comstar bike. 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. part, product or work for his or her use. #5. . GL1000 wire spoke front rim, CB750K DOHC wire rear wheel, and you're well on your way. I removed it and all parts inside are super clean. For a better experience, please enable JavaScript in your browser before proceeding. Check the little green ground wire that should be bolted to a clean frame ground (a little 6mm bolt) under the seat. I cannot recommend Revival Cycles enough. If you encounter a (rare) 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. The Honda Cub EZ90 was designed from a blank slate to be the easiest motorcycle to ride in the world. Welcome to CB750 Supply. again. Honda officials (including the legendary founder of Honda Soichiro Honda) were a little reticent to make anything with an engine capacity too large the largest Honda motorcycle available at the time was a 450cc parallel twin. rewound stators and field coils should solve your But yeah, some real twats on the 'F site, and they'll tell you to go over to Deuces. Our technical support team is happy to help! Charging Problem: Replaced Rotor and Stator - same issue. 5. * 1971 CB750K1 It has an electric, When the Honda ATC 350X was released in 1985 it was the largest-displacement production three-wheeler money could buy. $117.00 EL-008. Worlds apart from stock to help these beasts stop before you leave this zip code. Countries that had an allotment of, This is aHusqvarna 400 Cross and even if it wasnt for its celebrity provenance it would already be a significant machine due to the, This may be one of the last opportunities any of us will have to buy a brand new 2002 Ducati MH900e thats still in, This is a rare BMW R68 ISDT Special, in many respects its one of the early progenitors of modern enduro and adventure motorcycles, and, The traditional Silodrome was a carnival sideshow attraction also called the Wall of Death." If possible, buy two bikes instead of one. necessary out-put for any upgrades in ignitions and such. Limited Supply ! The Cycle X "high-output" charging systems will allow you to use many additional accessories as desired. Bought this back in September. Sohc4.net had a decent one that I'll see if I can find again. - Right Hand Side, Contact Point Set (1pc.) Comes with a one year warranty through Dynatek. I seem to be having ignition problems that are preventing the engine from starting. Back for a limited production run. 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. 20" Long. The Honda CB750 is quite easily one of the top 10 most important motorcycle models of the 20th century. I'm not sure but I'm happy now. I'll add two things to this list. Learn More Quantity Special Order Now Special Order - Vape Systems Deliver in app. You are using an out of date browser. And I know how you feel about the C tank, I feel the same about my 'F tank actually. 6.846 grams (More math) if interested in any particular I've searching for a tank for my future '81 CB750C DOHC project just getting ideas. You may need a new/rewound stator and rectifier but I . 7mm. They'll try and scare you off with their tales of the 'C and 'K people (oddly enough, not the 'R people though) being "kicked out" when really Glenn had set up a parallel site to better serve their needs, so that the forums didn't get to mixed up. Very happy with the delivery. I was having some difficulty making it work Jeff pointed out what I was missing and also provided schematics to make it work. gasket included. Note: The Cycle X balancer measures inch grams, making our Each pc. Ignition Switch - Fits - Round Plug (6 Hole, 4 wire) type. amc49 CB750 Guru Messages 3,476 Reaction score 34 Points 36 Location Fort Worth TX. Many older vehicles, such as your Honda, relied on older field-excited charging circuits that utilized a separate rectifier and regulator. Your input is very much appreciated. Many bikes don't use keys, and a correctly installed rotor doesn't need one. Silicone rubber casing. CB750 aficionados will tell you to make damn sure you get a bike with the original airbox still fitted, whilst this is good advice, I have seen CBs with pods and well-tuned carburettors so it is possible to do but youre going to need patience, friends and patient friends. Stator block-off plate for you Vape systems replace your entire motorcycle charging and ignition system with reliable modern technology. rewound stators and field coils should solve your would like. $ 549.00 I have a couple of projects, one of which is a decently running all-original 1977 CB750K. But yeah, not the person to look to for a completed bike. limited production run. This includes brake pads, battery, tires, spark plugs, oil and filters if you want to be really thorough the chain, gaskets and control cables should also be changed. Press J to jump to the feed. Fat wire wheels. This is the primary reference ground for the whole system. way tothe right and the bike starts. Ignition Switch Nut Tool, used to loosen and tighten the ignition switch nut properly without causing any damage to the switch. Honda DOHC CB750 * 1979 to 1982 CB750K . I have never had to adjust an original regulator on these. Thanks again. Some older voltage regulators you can dial down, but the DOHC bike have a solid state Regulator/Rectifier and has no adjustments. yea! Performance 7mm. I remember bearings and rebuilding the forks came up. These specifications were revolutionary. For a better experience, please enable JavaScript in your browser before proceeding. X2 on that one, you should not have to adjust anything. 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. Ill follow up on the specifics of what went wrong after I put a multi meter on everything. Add to Cart. How much of the bike is still stock? You should never, ever trust second-hand tires or brake pads, even if the owner tells you theyre new. 20" Long. Obviously, youll need to be ready to roll up your sleeves and get your hands dirty, but thats half the reason we all ride motorcycles in the first place. RUNNING LITHIUM BATTERY $599.00 USD, RUNNING STANDARD BATTERY $599.00 USD Should I upgrade To a solid state? Share it with your friends so they can enjoy it too! with a little fabrication (cutting the original mount and re welding a new one), a cb750 k tank fit nicely ontop of a brat seat! plugs had a perfect brown plug reading. * 1976 CB750K6 CB750F1 CB750A