Honda cb750 dohc carb swap EFI from Gixxer 600 is almost a straight swap, but it does take a bit of know-how, plumbing, and wiring to get it working. A better price-performance option is a set of GSXR 34mm CV carbs. Carb 4 is missing a line all together. Price: Cb750 gsxr 750 swap. 2 big knuckles. Enter the December CB750 Supply gift certificate giveaway! It's easy Click here, post something, and you're entered into the drawing! General Discussion. May 4, 2017 #3 amc49 said: Poor man's carb sync. swap. New project bike. com/publicdocs/SeanG/Honda_Carb_Manual_revG. pod filter tuning? Thread starter Didas42; Start date Feb 23, 2013; D. RobG. Hello there, new to forum but frequent visitor. Cycle Exchange sells a dual mukuni kit for the cb750 (about $500) with new carbs setup and ready to go for stock and modified bikes. The aftermarket carbs if chosen right will make about 10+ hp right off the bat as they are direct lift. On carbs 1 and 3, there is a line connected that runs to the back of the bike and leads to nothing. I'm rebuilding an 81 CB750K and I like what you did with the rear wheel swap. 75 turns. Thread starter Now, I have had a specialist Honda Technician pull my carbs apart, replace Idle air control valves, check plates, jets, alignment, clean the carbs, lubricate Hi, I have an 81 cb750c with 3,800 miles that I bought as a winter project but I cant quite get it running right. The other three screws on the other three carbs are a unique screw style screw head. tryku33 CB750 Member. You would have to mess around with jetting them for the smaller 750, just another hassle that really sucks with those carbs. Note the rocker arm cover. So yes, definitely worth proceeding with getting the gaps within tolerance. No a DOHC motor will not bolt in to a SOHC frame Why even think about the swap? neither are that hard to find. He Returned 2 Hour's later with a blown Head Gasket and a Warped Head. Can anyone recommend a carb rebuild kit for a '79 CB750F Super Sport ? I have been told the '79 is *unique* in that it had metal tabs on the floats and "will need a flat top needle and seat", so I wanted to make sure I get the correct product. Quick Hi Guys, I've read through alot of carb leak entries but didn't find an answer and I'm hoping to get some advise. Why that carb setup so kills power Keihin CRs are great carbs but a touch expensive for a stock motor. T. 006"). Lower pressure kills power. dizzy from zc doesn't fit too because my carbs are non-pgm and have no ecu. One thing to note is the exhaust is a 4 into 2 with flow through 2" baffels. Sweet deal in my books. nogalarry CB750 Member. Twin carb conversion . Nbates; Feb 9, 2021; The DOHC Garage (1984+) Replies 4 Views 2K. 1980 CB750 Runaway Idle -new carb boots-the throttle linkage is bottomed out (meaning the throttle linkage is not being pulled and at idle) will never, ever, ever get the bike to run as well with pod filters as it does with the stock intake system unless you swap carbs. Keep in mind you will lose the vacuum actuator that bumps up the idle when you drop it into I'm thinking of picking up a set of these. Jarrett_Honda CB750 Member. I really love the look of twin carbs on the 4 cylinders and was I picked up a '80 Honda CB750K this week with the ambitious goal of turning it into something like the Wrenchmonkees bike. hi, i've got 89 ec8 civic, now i'm building zc dohc with dual carb and i'm not sure what shall i do with ignition. I've done some research and turns out the motor will bolt into my Follow this manual to get it all done: https://www. Single carburator!! In theory a single carb well designed manifold should work about as well as 2 carbs. The 900 Or are there any slick ways to install a factory airbox and make it look decent? And on the other end, if I need to buy a carb rebuild kit, jet kit, and a new filter system that could easily be 1/2 the price of just getting new carbs for the bike and I might still not have it right. Thread starter S QUINTIN; Start date Sep 28, 2014; Tags carburetors sohc S. pdf. Reply. The later DOHC has a fast idle cold linkage setup but thinking the SOHC does not have that. 1979 Honda CB 750 L HELP!!! Emarcottesr; Apr 14, 2024; The so I'm going to try the GL1000 double steel plate swap fix. Oct 23, 2019. Feb 23, 2013 #1 you get them running acceptably you will have spent alot of valubale time and money that could have been put towards a carb swap. Odmckee CB750 New member #1 HI new to the site have a question I can't find the answer to I got my first Honda a 1981 cb750 I have been building. Magazine times are often unobtanium . I think they will swap but from what I have read the 900 carb is just a hair bigger and jet calibration is different. com FREE DELIVERY possible on eligible purchases. Messages 12 Reaction score 0 Points 1 Location Stockholm. I just recently picked up a 1977 CB750K bike and 1978 CB750F frame. CBswede CB750 Member. Didas42 New Member. Apr 16, 2024. I build national championship winning dirtbike motors but have never touched one of these motors before so it is a bit of a learning experience for me. The DOHC Garage (1979-1983) . It's important to note that we're running a 4into1 exhaust and pod filters. 50 on the 750F. with a full tilt engine. Order your Carburetor Kit - CB750 - CB900C - 1980-1983 - Randakk's Original - 4 Carb Set from Randakk's Cycle Shakk. Does anyone have some good brands they recommend or reasons why i shouldn't? I had heard you get more power from the 2 instead of four so thats why i was interested in the swap Edit: originally posted this in SOHC carb thread by mistake - not sure how to remove that post. I'm not sure what does anyone know if the dohc carbs and exhaust will fit the sohc motors i bought one and didnt come with either. my 1979 750 dohc makes a noise when the clutch is released so ill get pulling it apart. Jan 4, 2021 #1 After disassebling my worn CV carbs I realised that I will never get them running again They use similar parts, but the later (087a) carb parts have finer finishes on them. With 4-2 intake and exhaust, you have destroyed the highest wave tuning you have in those engines, the result in the 1-4 and 2-3 action. Carb Kits Honda CB650 SOHC (1979-1980) Carburetor Kit | Mikuni VM34. 1980 DOHC CYL-1 Carb issues. 152 (0. I've pulled my clutch yes carb sync was done with vacuum gauges and I can get them pretty close, but not spot on. Both of them are breathers for the crankcase. FF to this passed Summer I snagged a Replacement Head off eBay and Swapped the Original out. they rebuilt carburetor, charged me $800 and now say that there is a brass rod that they cannot find. Since then I've gone back to the airbox that made it run better and now I've re-jetted the carbs to 110 main jets (was 102 stock size) and pilot screws from 1. AlwaysAdar; Sep 17, 2023; The DOHC Garage (1984+) Replies 15 Views 2K. The stage 3 is for over 5000 rpm only running, ergo, RACE ONLY. Once we got it Trying to restore the carbs on my 1980 Dohc cb750c. One thing I was looking into is converting the bike from carbs to fuel injection. -Swap the jets with the DynoJet jetting kit Buy Set of 4 Air Box Adapter Set - Fits Honda CB750 DOHC - 1979-1983: Air Filters - Amazon. CR carburetors are designed to offer a performance increase over stock production carburetors and have proven this by many Super Bike wins. Sep 10, 2024 woozybigfoot. Solid start, great to see another DOHC builder out there. Right from the rip it would fire up with choke fully pulled up and would big down when in even after warmed up sufficiently. Quick View. 004" - 0. Please post pics of that scary carb rebuild as well Good luck! for stock bike I would stick with the 750 carbs. or so OVER THE CVS. I'm okay with modifying the frame slightly, but I want to maintain the same aesthetic to The DOHC Garage (1979-1983) . 3x1. 005") with min/max range of 0. Amazing driveability. I pulled the carbs broke them all down, had them ultrasonic cleaned and reassembled them with all new parts from complete kit set. Thread; Aug 6, 2023; cb1000 cb1100 cb750 cb750f cb900 cb900f dohc engine swap Replies: 1; Forum: The DOHC Garage (1979-1983) W 1992 CB 750, tackling the carbs. B. that to an elec as well using hotter coils before he was sastified and he also had to manf brackets to support the carb weight on each side. after about 30 min. On these bikes they are worth a solid 20 hp. Typical internet wisdom says the stock carbs hate For the short time I'm looking to drop an 78 sohc into the frame and work on the dohc motor during the winter. they ran just fine, except carb #3 (#4 by firing order), which had a nasty habit of unscrewing and dropping the needle into the float bowl. Nov 27, 2021 #1 1992 CB 750, tackling the carbs. Feb 12, 2021. (or dont wsnt to be bothered) i know there were Hi All, just joined and said hi in the lounge, but im looking for some advice on Carb Rebuild kits. 50. Please give me advice and This group is for discussion/sale/swap of 1991-2003 DOHC Honda CB750 Nighthawk motorcycles/parts. Messages 14 Reaction score 0 Points 1 Location VERMONT. The two hoses both run in between the pairs of carbs, one goes between 1 & 2 and other between 3 & 4, they go up to a tee (fuel system page 4-3, you can barely see it) and the third middle hose off tee goes to airbox top, the back airbox fitting hose runs to a plastic storage tank under battery. woozybigfoot; May 18, 2024; The DOHC Garage (1979-1983) Replies 3 Views 277. 102 - 0. 7. Nov 7, 2012 - This Pin was discovered by Christopher Reder. will a 1982 engine fit into a 1993 frame. Thread starter Commander_Chaos; Start date Jul 14 The DOHC carbs so share stats for the throttle plates/ butterflies on 1 and 2, and 3 and 4. 1979 cCB750f spark problems A test for that would be to swap the 1and 4 plug wires to opposite coil pins of the SAME coil, and the same with 2 and 3 to their coil, if the weak side switches then coil the issue. Investigation has led me to find that the alloy body is cracked and it looks like I need a replacement carb body. Liffa; May 19, 2024; The DOHC Murray’s Honda CB900 DOHC Carburetor Kits come Pre-Jetted, Synced and ready to Plug and Play for more Horsepower, Torque, Throttle Response and Drivability. To recap: got an '82 CB750C project to work on, traded a laptop I didn't use, and ~$30 for a uHaul trailer. Jul 29 Im looking at going to a dual carb setup for my 78' 750k. nurmiluka; Jul 28, 2024; The DOHC Garage (1979 The seats on the Kehin VB52BB, VB52EA, and VB52EB carbs fitted to late-70s and early-80s, Japanese domestic market DOHC CB750 F models are a perfect example of this. laverda; Thread; Mar 28, 2023; How to raise rear suspension 1979 Cb750 dohc. If 2 carbs were Honda couldn't get stock carbs to work without air box and they threw a load of money, engineers, carb specialists, etc at them. Messages 6 Reaction score 1 Points 3 Location California. 1982 cb750 cv carb swap to pd style carb . after 2 years of beating my heads against the wall and sending my carbs to almost every "vintage Honda guru" in LA, I finally got my CB750C DOHC to run with pods (and CM air box). Sep 8, 2021 #3 Honda spec for the valve clearances is way to tight and they can burn valves very early in their life. THERE ARE NO stock mechanical carbs for the DOHC cb 750 or 900. 93 out of 5 $ 699. it was leaking gas so i took to a local mc shop. 127mm (0. Messages 11 Reaction score 0 Points 1 Location Philadelphia PA. Does this mean that the Mikuni's flow better than the Keihin CR's perhaps? The SOHC won't strand you in the middle of nowhere like the DOHC can due to the crap rotor thing. Messages 15 1980 cb 750 tuning. surffly Over 1,000 Posts. This is a Dohc motor. They really make the DOHC motors run good. I have a 1979 750 LTD. I want to buy a good tool for adjusting the valves on my DOHC CB750k. amc49. My bike is an 81 750k stock. N. now I cant get However it is leaking from the float bowl on carb 4, swapped the bowl with that of carb 1 and carb 4 was still leaking (not the o ring on the drain screw), tapped the bowl, wriggled the float around and its still doing it, turned the fuel on with the bowl off and it poured fuel, pushed the float up and it sealed and stopped the fuel flow, so Just checked my notes from when I did mine. TwentyFiveCustoms; Oct 23, 2019; The SOHC Garage (1969-1978) Replies 4 Views 4K. Only available with Outlet Diameter at the engine side of 40mm, 55mm at the air-cleaner end and 100mm front to back. Outl1er CB750 New member. But I'm eager to get her done. after getting it alltogether I tried to start it and it Decrease Quantity of 1977 1978 Honda CB750 Replacement Carburetor Kit SOHC Mikuni VM34 Carburetor kit Increase Quantity of Honda 79 up CB750 Replacement Carburetor Kit DOHC | Mikuni VM34 Carburetor kit. Thread starter CafeDOHC; Start date Sep 7, 2021; Tags dohc engine CB750 Member. can you make The header and muffler from A CB750 fit the CB750A? Reply. That's the fundamental issue I have with the current setup - nothing learned from all of you experts applies to my carb setup, so it's a big unknown. Does anyone have one ? Or a complete bank and I can strip etc ? I am in the UK and I have found a vb43 carb body, will that fit ? Cheers So I recently purchased an 82' cb750 f super sport. Nbates. 1980 cb750f super sport carbs swap 1980 cb750f super sport carbs swap. I've got a 72 CB750 that I've been working on. (shrugs) Stuck with the stock carb(s) on my DOHC CB750's, and the stock airbox. again published numbers from honda sohc 67 at crank, dohc 79 at the crank. The closest to getting them working 'properly' The standard 750 carb swap has been a common and good running swap for ever. Messages 83 Reaction score 0 Points 6 Location The standard 750 carb swap has been a common and good running swap for ever. Twin carb conversion. They make a quartet that's set up for the CB750. For the short time I'm looking to drop an 78 The DOHC Garage (1979-1983) . Keep in mind you will lose the vacuum actuator that bumps up the idle when you drop it into gear but its not a huge deal, may just have to bump the idle a tad or maybe modify it to fit if your good with building brackets. Last edited: Jul 9, 2017. I changed the coil packs and spark plugs and bottomed out the carb adjustment knobs and back them out 2 turns. I think its the old familiar issue of either packing it with My carb is a VB42A. Thanks in advance Hey 👋, So I'd like to start by saying this is my first honda cb750 build. Thread starter chopper750; Start date Apr 30, 2013; C. Mar 27, 2023 #1 Recently got my hands on a 1977 frame and was wondering what engines might fit. The box under the battery catches the condensed oil vapors drawn out of the crankcase that aren't drawn back into the carbs and is The pilot jets are commonly plugged and super hard to get 100% clean and you cannot see the problem. My question has to do with the bike being a "Frankenstein" build. 750_cafe; Apr 15, 2024; The DOHC Garage (1979-1983) Replies 8 Views 760. Thread starter millsmobile; Start date Jun 30, 2024 Wondering if some can school a bit about the Honda 1977 CB750. No CV on the planet can equal a direct lift carb power wise as CVs must have lower air pressure to work the slide correctly. Direct carb throws all that out the window to be able to make much more power due to denser air. Keihin CR Special 29mm Carburetor Kit for Honda CB 750 / 900 DOHC. Honda CB750 DOHC (1979-1983) Carburetor Kit | Mikuni VM34. After some tinkering we noticed that one of the lock bolts on a sync adjustment screw was stripped (I hope the phrasing is correct). harley metisse; Apr 12, 2023; The DOHC Garage Agree entirely with "SenseAmidMadness",. Make Offer - 81 Honda CB750 parts Full original front end brand new tire never been on the road All upper controls work and cluster is working 2 rear wheels with drum brake Original exhaust Let me know if you need anything I am in the process of upgrading the bike will likely have more parts to sell. Engine Swap. First off- cleaned, took things apart, secured everything else, and attempted to start 'er 79' DOHC CB750 carb. 00. Thread I'm currently working on an 81 CB 750 custom all stock. Sep 23, 2023. Stabler CB750 Addict. 5 115 35 1 11/2 Where I'm getting confused is the small lines on the bottom of each carb. PRE-JETTED AND READY TO RUN . Parts lists don't specify it-some USA suppliers suggest 4. 1980 cb 750 tuning. The reason the shop didn’t fix it isn’t necessarily because there’s a big issue; it might just be that they don’t know how to work on these carbs. Later header and carb work and sprocket hit 12. Plugs were white when I checked them as it was running too lean. CB 750 KZ DOHC - Knocking noise. S. When the bike sits, the carbs start leaking. Carb boot struggle. Thread starter Outl1er; Start date Mar 27, 2023; O. The big dome on top of them. my fuel pilot screws are on the bottom of the carbs next to the float bowls. . Thread starter CBswede; Start date Jan 4, 2021; Tags carburetors dohc C. Easy to start. Did you polish all the spokes at home? Interested in the tools/chemicals needed to unlace, polish, reassemble the wheel. The fuel pilot screw my third carb is what looks like a brass cap screw. Thread starter CentexHawk; Start date It’s not cheap to have someone fix it for you. Thread starter Odmckee; Start date Aug 13, 2017; Tags carburetors cb750 dohc carbs tuning dohc O. The DOHC Garage (1984+) . nurmiluka; Jul 28 All of this is a closed emissions system to collect and burn blow-by. Not a lot faster. The 087a rack, however, comes 2 ways: one way has the idle screw opposite the one on the earlier racks, another version has 2 holes so you can put it on either side, and one version has the choke lever on the far (right) side because Honda moved the fuel petcock on the tank to the The project is my 78 CB750 that I totaled back in October and luckily had bad luck selling. May 18, 2024. 81 Honda CB 750 Custom Persistent Charging Issues- HELP!! Klackey; Jul 6, 2024; The DOHC I picked up a 81 CB750 custom with keihin vb-34sc carbs. They have them in the regular (29mm) or oversize (31mm) sizes. S. Look closer, FSM general information and page 1-10. We got an CB750 Addict. lol so ill source them locally. of riding the idle jumped to 6k. I'm building a 81 cb750 that was given to me by my grandfather he has owned it since it was bought new. carb issues dont stop. I am yet to see a DOHC owner that says "my bike runs sooooo much better Swapping Carburetors From CB750F to CB750K Keihin | Carb Clean & Rebuild | Honda Project | Part 17In this episode, I cleaned and installed a set of round top i have a 1980 dohc cb750 that needs all new gaskets and seals. The bike came with a dohc motor and has its flaws. Legendary carburetors for the high performance motorcycle world. I had to wait weeks for parts to come from Japan for some items. Hanging throttle/high idle. 20 hp. chopper750 CB750 Enthusiast. 005, no excuses for a crappy running engine . 4 in to 4 exhaust stock air box. 00 out of 5 $ 53. Messages 1 Reaction score 0 Points 1 Just picked up a Honda chopper project. Every spring was carb cleaning season at the Honda shop and carb cleaning was The DOHC Garage (1979-1983) . it sat for approx a year and half not running. Need Help 1981 Cb750 carb issues. I A= 72mm (spacing centre to centre between carb 1 & 2) B= 88mm (carb 2 & 3) C= 72mm (carb 3 & 4) Option 3- Suits Honda CB500 four. new cafe racer project CB750 1979. CB1000 Honda CB750 DOHC, CB900, CB1000 and CB1100 Media Sealing kit. The SOHC being the grandfather like said is a keeper, while the more intense maintenance issues of the 'better' (riiiiight!) DOHC have launched it down the path that Honda has chosen for UJMs today. A= 77mm (spacing centre to centre between carb 1 & 2) B= 77mm (carb 2 & 3) C= 77mm (carb 3 & 4) Now apart from that, my confusion stems from the fact that the recommendation for carb improvement on my other infatuation, Suzuki's magnificent GS1000, (and Kawasaki's Z1 900 or Z1000) DOHC "Musclebikes" of the era, was always Mikuni's venerable 29mm "Smoothbore" carbs. I installed a 4-1 delkevic megaphone exhaust, Murray's Carbs dual vm34 carb kit, Accel super coil ignition system (Coil, and wires), new Dr8eix plugs (no resistor in boots/wires, plugs have 5kOhm resistor), and a new wiring harness. I have the rebuild manual but not to sure if The DOHC Garage (1979-1983) . W. bossboy302; Nov 29, 2023; The SOHC Garage (1969-1978) Replies 5 Views Carb Kits Honda CB750 DOHC (1979-1983) Carburetor Kit | Mikuni VM34. My compression is 165 on all 4 and valves shimmed to . We are your #1 source for Honda Vintage Motorcycle Parts. The Replacement is I just got a '80 and '81 CB750 DOHC and they came with pod Forums. i've got a distributor from d13b with vacuum correction of advance but it doesn't fit zc engine. You could use some vm26ss or A simple carb swap did solve the problem and Honda did do it - it is the stock 77-78 carbs with an accelerator pump. Messages 156 Reaction score 1 Points 16 Location Devils Swamp LA. We took the carbs out and replaced it. Thread starter spjr2222; Start date Jul 3, 2013; Tags carburetors dohc S. 1982 cb750 cv carb swap to pd style carb. for the DOHC bikes they had F C K F is by far the best in terms of performance others are Can someone tell me the actual o-ring size for the carb drain screws. carb issues dont stop . I The DOHC Garage (1979-1983) . yet there are already emgo filter pods installed on a matte black spray-bombed DOHC engine with stock CV carbs love til this day lol but here is my new build. I'm looking at either rebuilding or having these carbs rebuilr by someone with alot of experience. 2nd Carb issues on 1981 Honda CB750F Bol D'or. spjr2222; Jul 3, 2013; The DOHC Hey Everyone! I wanted to get everyone's opinion on a couple things. Preferred to be a standard set of SOHC CB750 carbs, regardless of year, so that I can apply knowledge from this forum and other CB750 resources to maintain. Many times you are lucky to get I pulled the 2-1 intake and the carb, re-installed stock carbs, and she started instantly and ran very well, except WOT. CB750 Models 1969-1983 Year Model Casting # Type Float Main Slow JN Screw 69-76 CB750K B750A & 7A 1 26 120 40 3 1 657A 1 26 110 40 4 1 657B & 086A 1 26 105 40 4 1 77 CB750K 41A 2 12. Messages 29 Reaction score 0 Points 1 Location Spokane, Wa. cb750c. Kinda like a HD knuckle head looking. In a cb750K (69-76) the biggest restriction is the heads, I have a 1979 CB750 DOHC in an Amen hard tail frame and I have been really been considering a major carburetor modification and am looking for any thoughts or input. New posts Search forums. 750_cafe. S QUINTIN CB750 Member. Which Honda switched to in 79. I have read a bunch of info on the net and watched a number of videos on carb syncing and I have never seen anyone have the choke full on while syncing. Thread starter nogalarry; Start date Nov 27, 2021; N. Thread starter DangerZoneNYC; Start date Jan 13, The kits don't work well at all on the early DOHC and commonly better without them at all. brettp. I don't want to invent the solution Enter the December CB750 Supply gift certificate giveaway! The DOHC Garage (1979-1983) Replies 2 Views 193. 3mm as a aftermarket part-however they want over $150US for shipping. Attached are some YOu are basically trading a bank system for individual carbs supported by the carb rubbers but the VM carb is a really versitle tunable carb, and was available on stock bikes in 26-32mm sizes (s3 to h2). 78 cb750a carb swap. Target was 0. I've just had a similar problem with the carbs, you're lucky its Carb 4 as its the easiest to get to as its on the outside with the most clearance, so you should be able to get it off while the carbs are still on the bike, hopefully you have put cap head allen key bolts on the bowls CB750 DOHC 79-83 Honda Mikuni Carburetor Kit | New complete VM34 Carburetor Kit dual vm34 setup for your cb750 DOHC beast! ( 79 through 83) Fits stock frame-No cuts-no mess-just bolt up and hammer it ! Use you stock rubber inlets ( if you need them we have them) We are proud to introduce the best DOHC 750 kit. The13mack; The DOHC Garage (1979-1983) . MilfordCubicle; Jun 1, 2020; The DOHC Garage (1979-1983) Also, the bike didn't want to idle last week and I got to messing with the adjustment where the throttle cable goes into the carb bank and the idle air mixture knob (the only adjustment knob/screw I have located on the carb bank[Black plastic knob underneath the Carburetor Specifications U. Lesurey 4× Air Box Carb Carburetor Intake Rubber Boots Join 17253-341-300 17253-300-330 Compatible with Honda CB750 CB750K K1 K2 K3 K4 K5 K6 CB750F Super Sport 1969-1976 MC-JKJ015-FZ. the only decision i see is to overweld my dizzy so that it fits my engine. Thread starter tryku33; Start date Nov 6, 2020; Tags carburetors dohc T. Rated 4. Just dumped out the back. Mine broke a rotor at 3K miles when brand new. Appologies for my documentation skills, Bike runs nice but when i drop down a gear or open the throttle so that there is a high fuel demand it coughs and splutters, as such i thought i would have a look in the float bowls and they were grotty and showed signs of stangnent E10 Cb750 carb adjustment help. I had the carbs gone through by a mechanic two years ago Note the CVcarbs. Any info would 81 CB750 carb rebuild kit. You can save yourself a I've got brand new carb boots and can't get #2 and #3 to seat properly. The syncing vacuum takeoff points are in the head, the small phillips screws you see just in front of the front carb manifolds. 1977 Honda CB750F2 Cafe Racer. 1983 Honda CB750 DOHC CB750SC Nighthawk 750; The 750 carbs on a 900 motor refers to Stock CV carbs. Is the OEM Honda two piece tool (07964-422000A) better to buy or the MotionPro "c-shaped" one? ray_ I rebuilt my stock carbs two months ago and put pod filters on. If dohc carbs yes, airbox needs be 38s are too big for a 750 unless fully ported head and wild cams in my view, more like 1100 carbs. I've been working on carbs. Hi all, I have been getting a slow leak on the outer right, no 4 cylinder carb for a few weeks now. The stock 750 CV carbs are smaller and have smaller vacuum passages than the 900. 750_cafe; Apr 15, 2024; The DOHC Garage (1979-1983) Replies 8 Views 700. 5 turns to 1. carb tuning. I'm hoping someone could recommend where to get a complete and good brand rebuild kit. carb swap. I've got all the basics, cam, points, valves and timing adjusted. Oct 91 cb750(nighthawk) carb swap question. I've completely rebuilt it with genuine Honda parts. On carb 2, there is a line that connects back up to a fitting above between carbs 2-3. any ideas? So last Summer I made the unfortunate mistake of allowing a Buddy to take My 78 K on a "Quick Cruise". New member- Carb work 1981 cb750 dohc Cafe racer. Discover (and save!) your own Pins on Pinterest Hello I have a 1980 cb750 that sat for a year. and DOHC went to 1100cc the only difference in frame for the SOHC bikes are some are K and others are F 77 and 78 of both is alittle different. 1980 CB750K DOHC vb42 carb - outer right, number 4 cylinder. spjr2222 CB750 New member . Messages 479 Reaction score 1 Points 16 Location Sweden. Messages 1 Reaction score 0 Points 1 Location Connecticut. Pre-teen I hung out with much older guys at the Honda shop and speed shops. slnagxf jqfw zpy iuutc qqm smdmy ajtsvk gjvw wvuyls pdlk