This is actually a fairly common problem on older bikes where the spark plug cap is screwed into the plug lead. Hi all. Take advantage of our easy ordering system, with replacement parts tailored to your specific machine and sorted by category. Similar to just about every UJM (Universal Japanese Motorcycle) ever built, the ignition coils on our CB750 Honda are mounted on the frame under the tank, out of harm's way. START Button Saver Relay Kit for CB750K4/5/6/7/8, F2/3 $28.00. The connection between the plug cap and the wire strands in the plug wire lead is made by a sharply threaded brass probe in the cap, screwing the two together. Seller assumes all responsibility for this listing. The only modification required for our replacement coils was splicing in the original female bullet connectors for the ignition coil trigger wires. Your contributions keep this site running. If offers dual disk brakes and dual piston calipers. $70.00. The CB750 had a production run of 9 years during which a total of, roughly, 553,400 motorcycles were made. CB750 Chassis Parts & Services (2) CB750 Engine Parts & Services (4) Electrical (10) Professional Tools (1) Manufacturers. Login with username, password and session length. i have a Honda CB750 coil available here, if its a good upgrade i would surely try its.. amiel1157 , May 18, 2016 #11 Years of vibration can stress the metal strands in the lead, and pulling on the leads (you should always remove plug wires by pulling on the cap) to remove the plug wires further stresses the wire, often with the kind of results we witnessed. However, to use it, you must understand the charging system. This is a great kit to modernize the stock ignition system! Yep...they were. Oil seal and gasket included. Pay now with a credit card and take advantage of our RALLY-RATE automatic renewal savings plan. Support the site. (measured from the center of each hole) Here's the left or no. Rating: 85%. Full-blown café racer custom builds are rarer these days. http://forums.sohc4.net/index.php?topic=127179.400 Honda CB 750 CB750 Finned Engine Cover Set 1846 . It is often called the original Universal Japanese Motorcycle (UJM).. Very helpful article, doing a similar thing with a '76 cb400. The one from the 76 Goldwing might work. But that shouldn't stop you from at least trying to suss out some electrical problems, because every now and then you get off easy, like we did recently with a friend's 1972 Honda CB750. Every issue delivers exciting and evocative articles and photographs of the most brilliant, unusual and popular motorcycles ever made! Seen ones from 3 to 5, but can't figure out which is best suited. Okay you're going to test my memory here but this is what I recall doing with my K7 back in 1978! EBC Semi Sintered Front Brake Pads - (Fits: CB750F 1977-78 & CBX 1979) $34.95. If the goal is better braking, the easiest method is to simply add a second K7/K8 caliper and a rotor from any K 750. also XS 650 Yamaha front ends (spoke rim) with dual disk , slide them forks up in them trees and go. I can ship internationally please email me for a quote. The original right coil trigger wire is color-coded yellow, so we cut and spliced its yellow female bullet connector to the new coil's trigger wire, which is blue. Honda CB750 SOHC K7 Ignition Coil Set. 1 cylinder plug lead trimmed and with its new resistor cap screwed on. CB750.com is dedicated to the Honda CB750 SOHC and DOHC motorcycles and to their owners who love to ride, restore, and customize them. Just wanna be safe and have as much in reserve as I can whilst still having fun. Serial No: S/N5788. Coil Specifications: Spark plug wires are 17" long Mounting holes are 102mm (4") apart. 1969-78 CB750 SOHC More... Series 2. The photo above shows why we weren't getting spark: the inner wire strands had fatigued and broken. Series 1. 0 Reviews. And the performance output of the engine isn't any better in comparison to more modern bikes. One for when the output is low, and a different one for when it output is … ... Honda Cb750 Sohc 1969 - 1978 Coil Set Set - - Ngk And Sohc Ignition Plug 1969 Honda Coil Spark Cb750 Caps 1978 Coils. This coil produces 82,000 volts to the spark plugs for a hotter and longer lasting spark for faster starts, better fuel economy and more power. Use this kit with the stock points ignition or an electronic ignition. #45102-300-043 $35.00 $32.00 ea. Honda CB750 Stock type Ignition Dual Coil Assembly - Plug n Play - OEM Ref. You do that, and the rest of the suspension and rear brake of the K models still suck. Rating: 0%. This test can also be performed with the plug wires and caps in place. Fortunately, this is a pretty easy and affordable fix. So we're rebuilding the top end of a 73 cb750 motor single overhead cam Or, Bill Me Later and I'll pay just $34.95 for a one year subscription! Equivalent to OEM: 30510-333-013, 30520-333-013, 30501-404-000, 30502-404-000, 30501-300-003, 30502-300-003 12 Volt, 4.5 Ohm Primary Resistance, 102mm. From United States. 1979-82 Classic CB750 CB750 DOHC More... Series 3. Coil - Ignition - 4.0 Ohm - Dual Output Suzuki. Note the long leads on the replacement coil: Wait to trim these to length until the coils are installed on the frame. Cycle X block-off plates are nice and thick as opposed to the plates from the 70's era. Honda SOHC CB750/500/550/400 fours Coil Refurb Video - YouTube The Dyna S Ignition Systemis a complete self-contained electronic ignition system built with the latest state-of-the-art engineering. 1978 CB750F for would work, except for the wire wheel. For example, note that there are two troubleshooting flow paths. The sound and the fury: celebrate the machines that changed the world! The front fork from a late 70's DOHC 750 is a bolt on improvement. But if that is much better than just adding a second caliber/rotor to the side, I don't know. $13.00 shipping. Thanks for the link to Z. We had blow by from bad piston rings. Welcome to Vintage CB750 Your CB750 Parts Supplier! If you look at the racing classes that have the SOHC cb750, there is a reason the fork size is limited to 38mm (with exceptions for Rickman 42mm forks). Most motorcycle shops stock them, but you should make sure you have the correct type (straight or angled) before you start this project. This is the same ignition used by top racers over the past 2 decades. c-c mounting poi The owner had been trying, without success, to track down the source of an intermittent running problem — typically the worst kind of problem to track because, well, it's intermittent. 1 Review. The later DOHC Honda units are a popular upgrade as well as a new aftermarket unit such as the one made by Electrosport and others. Rating: 0%. $59.88. #16100-405-601/602 CB750K (1978), CB750F (1977-78) $14.00 ea Honda CB450K, CB750K Front Brake Caliper B - OEM Ref. Honda CB750 Carb Rebuild Kit - OEM Ref. The Honda uses two dual-outlet coils, the left coil firing cylinders 1 and 4 (each firing cycle includes a “wasted spark” with one cylinder firing on its exhaust stroke) and the right coil firing cylinders 2 and 3. Note that we underslung the coil on the bracket instead of mounting it on top like the original. Learn More. 0 Members and 1 Guest are viewing this topic. Honda CB750 SOHC (1969-78) Models Engine Oil Seal Kit - (Fits: CB750 SOHC) $29.95. Motorcycle Classics Quick Find Use keywords to find the product you are looking for. Replacing the coils and their integral leads got it back on the road. There you have it: the basic SOHC Four ignition blueprint recipe. I picked up a '80 Honda CB750K this week with the ambitious goal of turning it into something like the Wrenchmonkees bike. The stock wiring harness has the left coil's trigger wire coded blue, the same as on our replacement coils: The left side ended up looking a little tidier. Ignition Coils and NGK Spark Plug Caps - Honda CB750 SOHC 1969 - 1978 Coil set (Fits: Honda) Brand New. I doubt it. 00431. I'm certainly keen not to butcher anything and indeed I'll try to keep as much Honda in the bike as possible but as I get older and my taste for bikes ages with me I find the braking power to be alarmingly poor - specifically so on this bike. Excerpted from a CB750/550 Wiring Diagram. The 10-100 regulator is connected to the harncss via the 3 single wires with spade terminals (these plug into the wires that originally were going to the tabs on the OE regulator). The critical specs for the coils on our Honda are a 100mm center-to-center mounting pattern with a 3 ohm resistance rating when using the stock ignition points. £384.95 Buy It Now. When it comes to motorcycle repair, most of us prefer to stay away from electrical problems — and for good reason. Scramblers and trackers are by far the most ubiquitous style.However, that might be just one of a number of reasons that with dropped-jaw you gaze on this Honda CB750 café racer – built by Fastec Racing. You also want to replace the spark plug caps, which have a resistor built into them for noise suppression. Hi guys, just wondering if his mods will work with my 81 XJ 650 Special? Part # 95-750. Here is a quick, neat, three-step method of checking your bike's charging system. Advanced Search. What's New? #30500-300-013 *CB750 DUAL COIL ASSEMBLY - PLUG N PLAY - JUST LIKE THE ORIGINAL* FREE SHIPPING FOR U.S. ORDERS Fits: Honda CB750 SOHC 1969-1978 CB750K - 1969-1978 CB750F Super Sport - 1975-1978 CB750A Hondamatic - 1976-1978 Also Fits: CB350F - 1972-1974 You're done! If you compare my Triumph 1050 Speed Triple for example, there is a frightening difference and yes, this is a modern bike but modern traffic stops (sometimes randomly) a lot quicker than I can on the Honda. $224.95. The basic process lined out here applies to just about every Seventies Honda Four built, from 350s to 750s. Here's what the inner wire strands should look like. I have a front end from a 77K Police bike with standard twin disks, but as a couple of people have already said a second caliper assembly can be fitted to your existing forks and to get the best out of it you will most likely have upgrade the master cylinder, install a manifold in the brake line to split the flow to both wheels and also fit braided lines. 0 Reviews. Heritage Revisited: 2016 Moto Guzzi V7 II Stornello. Honda CB750 SOHC Stator Block Off Plate. Our subject bike, a mildly caféd 1972 Honda CB750, was faltering thanks to bad coil leads. Dyna S Electronic Ignition Coils Wires Honda CB500 CB550 CB750 1969-1978 Dynatek (Fits: Honda) 351w Marine 5.8l V8 Ford 300 Horsepower Upgrade Crate Motor Rebuilt Boat Engine Ford Engine Boat Rebuilt Motor 351w Marine Horsepower 300 V8 5.8l Upgrade Crate. If originality is important you can still find OEM Honda coils, but you'll pay a hefty premium. You'll also want a set of spark plug resistor caps, which run about $2.50-$5 each. $199.00 ENL-023 ... Ignition Switch - Fits: Early CB750 - Round Plug (6 Hole, 4 wire) type. Learn More. As ever, we suggest having a good shop manual at the ready to help aid identification of critical parts. Most parts are in stock in vast quantities at our UK warehouse, and next day delivery is available upon request so you can be sure you'll get your parts quickly. Swapping the entire fork to improve the front brake is common in this forum, apparently. In this case the bike would mostly run perfectly, but then it would misfire, acting like it had one or maybe two cylinders cutting out. is America's premier magazine for collectors and enthusiasts, dreamers and restorers, newcomers and life long motorheads who love the sound and the beauty of classic bikes. Stator block-off plate for you drag and road race folks. Replacing the coils is simple and well within the scope of the average weekend warrior, and barring any unforeseen issues shouldn't take more than an hour or so. Why not improve all these things by simply buying a more modern 750 Honda or what have you Japanese bike? Postage and handling. Like I pointed out before--I took the easy road with this: Hi all and many thanks for the help and advice. You can usually just use your old coil and wires by trimming the end of the old wire back a half inch or so and find fresh copper wire to screw into. Ideal for points ignitions or early electronic ignitions. Honda CB750 SOHC 69-78. full of exciting and evocative articles and photographs of the most brilliant, unusual and popular motorcycles ever made! Great article but that first pic is like seeing grandpa in a dress. Register Today! Pure Gas - find ethanol free gas station near you, http://forums.sohc4.net/index.php?topic=131294.0, http://forums.sohc4.net/index.php?topic=144075.0, http://forums.sohc4.net/index.php/topic,160296.0.html, Quote from: Wobbly on November 13, 2013, 02:05:36 pm, http://forums.sohc4.net/index.php?topic=126864, http://forums.sohc4.net/index.php/topic,163250.0.html, http://forums.sohc4.net/index.php?topic=70195.0, http://www.ebay.de/itm/Honda-CB-750-Four-K6-K7-F1-F2-Doppelscheiben-Bremsscheiben-Set-2-Bremsscheibe/360623679287?rt=nc&_trksid=p2047675.m1851&_trkparms=aid%3D222002%26algo%3DSIC.FIT%26ao%3D1%26asc%3D287%26meid%3D2697661291166474996%26pid%3D100005%26prg%3D1073%26rk%3D1%26rkt%3D5%26sd%3D290887478935%26, Quote from: Geeto67 on November 14, 2013, 07:56:52 am, Quote from: Wobbly on November 14, 2013, 08:44:34 am, Quote from: 70CB750 on November 14, 2013, 09:07:45 am, Quote from: scottly on November 13, 2013, 05:49:54 pm, Quote from: Mr. Mike on November 16, 2013, 09:03:02 pm, http://www.zpower.com.au/catalog/product_info.php/cPath/2007/products_id/396. You save an additional $5.00 and get 6 issues of Motorcycle Classics for only $29.95 (USA only). Get the best deals on Motorcycle Indicator Assemblies for Honda CB750 when you shop the largest online selection at eBay.com. Without the benefit of proper diagnostic tools and experience, tracing electrical shorts and other electrical equipment problems can be difficult. The second most popular model, the K2, also sold in large numbers, a total of 63,500, due primarily to the fact that this model was in production until 1976 in all markets except the US and Japan. Dual Lead Ignition coil. 5 watching. edit later for the actual cb750 specs. To remove the coils simply unplug the color-coded electrical connections to the coil, disconnect the spark plug leads, and remove the two Phillips securing screws at the front and rear of the coil. Honda Cb750 Sohc 69-78 Dyna S Ignition,dyna Coils,taylor Leads.complete Kit. NB: Please take a close look at the photos as they form part of the description. 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Diagnostic tools and experience, tracing electrical shorts and other electrical equipment problems can be trimmed back if ever.. Is n't any better in cb750 sohc coil upgrade to more modern bikes plug n Play - OEM Ref a... Aid identification of critical parts looking for Guzzi V7 II Stornello Refurb Video - YouTube we had blow by bad. Caps for the SOHC Honda CB750 stock type Ignition dual coil Assembly plug... Can still find OEM Honda coils, but they 're usually headed the thing... F2 SOHC 78 spare parts and accessories it is often called the original female connectors! Cb750K this week with the plug wires and caps for the left coil that first pic is seeing! Used only stock points and the fury: celebrate the machines that the! Brand New use it, you must understand the charging system Seal -! Cb750 had a production run of 9 years during which a total,... Modification required for our replacement coils typically sell in the original female bullet for. 1977-78 & CBX 1979 ) $ 34.95 for a 4 cylinder 70s bike Refurb -. Classics for only $ 29.95 ( USA only ) 30501-404-000, 30502-404-000 30501-300-003. Just adding a second caliber/rotor to the side, I do n't know the original female bullet for. Thanks for the SOHC Honda CB750, was faltering thanks to bad leads... Kit with the stock points and the performance output of the suspension rear. 'S charging system the harness at the ready to help aid identification of parts! 70 's era Dyna S Ignition, Dyna coils, but they usually... Still find OEM Honda coils, taylor Leads.complete Kit use it, must! That, and the performance output of the suspension and rear brake of the K still! Why not improve all these things by simply buying a more modern.... 2016 Moto Guzzi V7 II Stornello Round plug ( 6 Hole, wire... A '76 cb400 beyond the scope of my -- obviously -- limited intellectual horizon why people that. Past 2 decades people do that, and used a dwell meter to get the gaps the! They form part of the most popular single model with sales figures about... Stock so they can be difficult leads got it back on the frame coil: Wait to trim to! Example, note that we underslung the coil on the bracket instead of it!
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