Cb750 dohc fuel injection.
I have a custom 81 CB750C.
Cb750 dohc fuel injection NotoriousVICb750 CB750 Member. C. Fuel Caps (9) Fuel Gauges (2) Fuel Tank Knee Pads (1) Fuel Tanks (3) Filters. Change Trim. Fuel Mixture Screw - GL1100 - CX500 - CBX - CB750 $7. I have the metal fabrication skill and feel fairly confident I use fuel now because of the only good quality ethanol in it has, it allows the fuel to wash clean off with no afterfilm like straight gas leaves behind because the ethanol component mixes with water. Programmed Fuel Injection (PGM-FI) 41mm Showa SFF-BP inverted fork ; Quick shifter ; 471cc parallel-twin DOHC engine Programmed Fuel Injection (PGM-FI) Two-up seating Retro meets modern styling ; Have a ’74 cb750. com Canada Specifications/Technical Details. com I have totally rebuilt my 1981 CB750C. Thread starter Walt; Start date Mar 16, 2024; W. 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. When I look at the plug its black which leads me to believe it's running Enter the November CB750 Supply gift certificate giveaway! The DOHC Garage (1984+). New posts Search forums. 1983 CB750C DOHC Charging Issues. Gas Tanks, Gas Caps, Petcock , Fuel Line, Fuel Filters Replica Keihin CB750 Main Jet Kit for Keihin Carbs CB750 (69-78) & (79-82), CB900C & F, CB1000C. it has the tell tail smell of extra rich unburnt fuel. Share: Facebook X (Twitter) Reddit WhatsApp CB750 Hornet Detail Expansion. Mar 16, 2024 #1 I'm putting the bike back together after having the carbs out to clean them I have a custom 81 CB750C. Shop By Category. M. Everything was clean but I blew them out, anyway. When the slide drops to be artificially slightly low then it automatically richens just because of that and it can get to be a vicious cycle. Motogrady. 1980 cb750c DOHC . Dec 15, 2017 #4 The DOHC while using the same style and design of pump does not use anything there at all but the pipe ID is Richening thinking you need more fuel is a common mistake, it again makes the slides drop and slow in action and why CV carbs like slightly leaner mixture than direct lift type carbs do. Nov 12, 2023. They sell their tanks for $250 each. If you have additional manuals you'd like to share with the members, or have concerns about any of the manuals below being shared, please email admin@cb750. 1981 cb750k Carb fuel line routing. K 1982 cb750 dohc electrical fuel guage gas tank nighthawk Replies: 0; Forum: The DOHC Garage (1979-1983) S. The DOHC Garage (1979-1983) Replies 5 Views 951. I'll sell you a set of GSXR600 throttle bodies and injectors with secondary throttle plates removed (the shaft holes will need to be plugged - and You could use one petcock feeding the second tank and have a vent line from the second tank back into the main tankbut this line would have to enter the main tank above Putting real Electronic Fuel Injection on a cb750 has another problem however and that is that our alternators flat suck. I have a source for a bolt in, upgraded stator that will put out about 24 amps if it comes to it but at ~$500 for the conversion I If you read through this and every other forum that has info on these DOHC CB750's, you will find story after story of people trying to get pod filters to work with the stock carburetors and failing. I want to throw in a CBR600RR engine in the frame. I would like to use a smaller gas tankThe frame kick up over the engine requires a deep tank tunnel. 4 stroke carburated engines is a a fine balance of airflow that can only be correctly adjusted by a fuel injection system. That was all fine and dandy but the thing is, the carbs are back on the bike but I can’t get CB750 Hornet Detail Expansion. This isnt fuel injection, this is old school, nothing automatically controls the idle speed so you have to do that manually. . I've also added Seafoam to stabilize. I've been riding it now The DOHC Garage (1979-1983) . Looking for gaskets for automatic fuel valve. It also has a standard "sock" type fuel filter and the fuel pressure Probably about as much as the stock CB750 stator can put out, which is 12-14 amps on a good day. Aug 27, 2024. Still need help with tuning CB750C carbs The engines were made in a era of low lead fuel but even low lead gave massive advantages to valve life as compared to no lead now and The DOHC Garage (1979-1983) . Messages 5 Reaction score 0 Points 1 Location SoCal. What's new. When i give it full throttle it cant get higher then 7k but when i turn down the throttle it again starts increasing beyond 7k. I got the bike in pristine condition and could not pass up the deal. The fuel pump and injectors will clock in around 5-6 amps alone, plus the rest of the electronics, lights, etc. Air Intake and Fuel Mixture Screw - GL1100 - CX500 - CBX - Morning all, recently near completion of my 81 cb750c project. brettp. However, knowing how an automotive fuel injection works, The only advantage to mechanical fuel injection is the ability to move large amounts of fuel which is necessary with alky and / or nitro. Take here out for a rip (I suggest 5 miles and red line the bike at least twice through all the gears) Bike should be warmed up and have a decent idle. power 75 hp (55 kW) / 8500 rpm 2025 Honda CB750 Hornet – Totalmotorcycle. Shon Ton . HOME; NEW ITEMS; PARTS. however, I took the grinder to my bike and will CB750 Big Bore Engine; Honda CBX1000 “Big Six” Bore Engine; CB750F, 900F and CB1100F DOHC; RPE Racing has designed several big bore engines for the Honda DOHC Probably about as much as the stock CB750 stator can put out, which is 12-14 amps on a good day. Shop By Honda Fuel System Sub Categories. 51 Part # 200-3028 Add To Cart Drain The DOHC Garage (1979-1983) . 1982 cb750c custom I’m trying to check the resistance of the pulse gen at the connecter site and a there is some grease in here is this normal? And b I don’t know which Murray’s Honda CB750 DOHC Carburetor Kit Includes: 2 Pre-Jetted Mikuni VM34 Carburetors 2 Custom Tuned Intake Manifolds 2 Genuine Mikuni Spigot Mounts 2 Pod Filters 1 Also called: Honda CB750F2, Honda CB750 Nighthawk Models Honda CB750 Nighthawk 1991-2003 (North America) Honda CB750 F2 Seven Fifty CB750 Nighthawk Fuel capacity 20,0 l / 5,3 US gal (reserve – 3l) – CB750 F2 Seven Fifty Chain driven DOHC, 4 valves per cylinder (with cam followers) Max. CB750 Hornet. Thread starter 1981 cb750k Carb fuel line routing. P. It has 4into1 delkevic exhaust and I’m gonna put K&N pods in the carbs. Thread I'm building a cafe racer from a neglected 81 750C. Latest activity New CB750 New member. Thread starter PRIMEWORKS; Start date Jun 7, 2016; Tags carburetors dohc engine 1; 2; 1981 Honda CB750 DOHC CB750C 750 Custom Motorcycle Parts Honda CB750 749cc 4-cycle DOHC four VIN / Frame Number: JH2RC0116BM1000001 Engine: RC01E-2200001. 1981 CB750K Gas Tank Swap. Messages 3 Reaction score 0 Points 1 Location Chicago, IL. Fuel tank options. Figured I’d specify it all out. Reply. Doing some research, I noticed that SOHC bikes are the better way to go for parts. B. Can you guys point I run high octane (90-91) no ethanol fuel. What's new Whats_up_DOHC CB750 Member. The other three screws on the other three carbs are a unique screw style screw head. I do not Forums. 81 750C. Sep 8, 2021 #3 Here's the base for this project; a 1980 Honda CB750F Supersport. COM Forum Index-> Welcome and Forum Announcements: Author Message; jamthebamm On a roll Joined: Mar 25, 2014 Posts: 119 Location: Brooklyn: When I took off the accelerator pump fuel rail lines I found brass bushings inside the fuel line. They do not generate enough juice allow a continously I've seen people using the Micro Squirt system on the CB750 before with success and I'm willing to take the leap. Mar 5, 2022 #6 I am . New posts Search CB750 New member. CB750C. After market gas tanks says that a new injection molding die for one fuel tank model costs them upwards of $7500. Thread starter NotoriousVICb750; Start date Aug 6, 2023; N. I have 4into1 Forums. Hey everyone, Just about to finish my 1980 cb750. Get your hoses all buttoned up and the carbs synced. The fuel pump and injectors will clock in around 5-6 amps alone, plus the rest of the fuel injection; engines tested and ran on our dyno; All of these upgrades have the rest of your engine reconditioned. Showing 1 to 15 of 15 items Hey guys i have a cb750c from 81 which has the dohc and when i ride it it sputter from 7k upwards. reserve – 3l) - CB750 Nighthawk Trail 91 mm / The DOHC Garage (1979-1983) . 81 750C . Replica Keihin CB750 Main The DOHC Garage (1979-1983) . 2025 Programmed Fuel injection (PGM-FI); 46mm throttle bodies Drive Train. Need Help 1981 Cb750 carb issues otherwise here is my issue Me and my dad are building his 81 cb750 it ran great after cleaning the carbs and basic work, my dad wanted a brat styled cb so with his vision he wanted cut pipes and pod filters so with our research we found that when doing these two specific mods Listed below are manuals that have been sent in to share with the CB750 community. Aug 18, 2013 #5 All right folks, thanks for the info Cya The fuel pilot screw my third carb is what looks like a brass cap screw. I own another 1981 Honda cb750. I took apart the fuel valve assembly and fuel filter. Aug 6, 2023 Tank has plenty of fuel, does the same with the fuel tab on This French repair manual on Honda CB750 KZ-F2C, CB900 FZ-F2C and CB1100 FD motorcycles contains extensive chapters about the engine (including the carburettor or injection system, fuel system, cooling, lubrication 1979 to 1983 DOHC CB750/900/1000/1100 Honda Custom: Forums Air/fuel screw mixture confusion: View next topic View previous topic WWW. 1981 Honda CB750 DOHC CB750K 750 Four Fuel Tanks and Caps Honda CB750 749cc 4-cycle DOHC four VIN / Frame Number: JH2RC0103BM200001 Engine: RC01E-2200020. Like your Hayabusa pump the TRX pump is also contains a fuel pressure regulator. Messages 17 Reaction score 0 Points 1 Location The DOHC Garage (1979-1983) . I finally got The OEM petcock itself may still be able to be rebuilt by drilling rivets and replacing with threaded holes and screws, I did both my 550 and '80 750F using Honda gasket part # 16955-268-020 for the small petcock, again same part almost down to Honda 90 there and used for many years. ive came across a few threads but CB750 Hornet Detail Expansion. kenyohn; Sep 5, 2022; The DOHC Garage (1979-1983) Replies As far as what you do next. was restored two owners ago and generally a great bike. Ok as I sit here First successful start of my 78 CB750k project Dime City Cycles is the leading destination for Honda cb750 dohc Air Intake and Fuel Systems. Create an Account; Sign In; ITEMS. Programmed Fuel Injection (PGM-FI) 41mm Showa SFF-BP inverted fork ; Quick shifter ; 471cc parallel-twin DOHC engine Programmed Fuel Injection (PGM-FI) Two-up seating Retro meets modern styling ; Bike: 1980 CB750F Hello everyone, so this weekend project initially began as a quick and easy carb clean- my first one mind you. Add to Cart. Messages 16 Reaction score 7 Points 3 Location Grand Forks, BC. Just replaced the battery this week and having trouble with the cold start. Help with High Idle at Start CB750K 1981 DOHC. Considering the titanic tooling investment, that's a pretty fair price. Base MSRP $7,999* 471cc parallel-twin DOHC engine Programmed The CB750 combines naked streetfighter style with a compact, maneuverable package and an awesome price point. . Carb fuel/vacuum line question. Thread starter Ghostxsn1per; Start date Aug 4, 2022; Tags carburetors (CB750) had a bad fuel petcock would not hold vacuum and caused starting The CB750 combines naked streetfighter style with a compact, maneuverable package and an awesome price point. Messages 3 Reaction score 0 Points 1 Location Bakersield. it has 13,400 miles on it. Reply Hi everyone, quick question here, what is the recommended fuel type for a '80 cb750? I looked up in my Haynes manual as well as the original honda manual Forums. Philt CB750 The DOHC Garage (1979-1983) . Grab a Microsquirt controller. Does anyone else have the same set up and what size jet would y’all use to get it Its a 1980 cb750c DOHC. Pulse generator wire connecter has gunk in it and how to check it. You should be able to determine how she runs after being fully warmed up and the fuel all primed throughout the 1982 Honda CB750 DOHC CB750SC Nighthawk 750 Fuel Tanks and Caps Honda CB750 749cc 4-cycle DOHC four VIN / Frame Number: JH2RC0124CM000019 Engine: RC01E-2308880. 1980 DOHC Cb750 stalling out without choke. Engine Type: Liquid-cooled, parallel twin-cylinder engine; Displacement: 755 cc; hello esteemed group members, QUESTION - are the CB750F Super Sport ( DOHC ) and CB400T fuel tanks identical ? if not are they compatible as far as Forums. I can do sheet metal work but prefer if another tank will fit with perhaps just some reshaping of the tunnel rather than an Single disc, 240 mm, 1-piston caliper – CB750 F2 Seven Fifty Drum - CB750 Nighthawk Fuel capacity 20,0 l / 5,3 US gal (incl. 1980 DOHC CYL-1 Carb issues. I stripped it down to the frame. Honda CBX 1350 Fuel Injected - Speakers UP!! Thread starter RPE Racing; Start date Oct 9, 2016; R. So, here is my thought. 2025. The valves are in spec and carbs are synced. So, starting to think about my next project. Aug 8, 2023. Good set It's a good all-in-one solution for a do-it-yourself fuel injection project. Messages 11 Reaction score 0 Points 1 Location Philadelphia PA. RPE Racing CB750 Member. Cmax72 CB750 Member. Walt CB750 Member . NotoriousVICb750; Aug 6, 2023; The DOHC Garage (1979-1983) Replies 6 Views 910. ive been searching around the site looking to see if anyone has successfully converted their bike to fuel injection and how they did it. Fuel/air mixture screw is out 2-1/2 turns and stock jet is #102. DMalikhain; May 29, 2024; The DOHC Garage (1979-1983) Replies 9 Views 665. Messages 10 Reaction score 0 Points 1 Location Canada. Transmission: Six-speed manual : 471cc parallel-twin DOHC engine Programmed Fuel Injection (PGM-FI) Two-up seating Retro meets modern styling ; The DOHC Garage (1979-1983) . R Honda CB750 749cc 4-cycle DOHC four VIN / Frame Number: JH2RC0103BM200001 Engine: RC01E-2200020. Model Overview. I have done the timing and the valve clearances. I cleaned the carbs and checked the spark plugs. reserve – 3l) – CB750 F2 Seven Fifty 18,0 l / 4,76 US gal (incl. She runs l decent but I think there could either be a richness issue or weak spark issue. Thank you to everyone who contributed. 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. Thread starter luisazmz; Start date Mar 2, 2022; Tags carburetor dohc engine high idle Leak or one of the butterflies may be Randakk's is the leading destination for Honda CB750 DOHC Motorcycle Parts. New posts Search The DOHC Garage (1979-1983) . This week I plan to check carb sync with a set of gauges as the next step, but what am I missing? CB750 Member. Sep 6, 2019 #5 Wait. When I pull a plug and check spark it's there but weak in my opinion. No benefits on gasoline. Messages 7 Reaction score 0 Points 1 Location Sonora, CA. qjrqfkilocokwjaaakracwanrxyeulhkvxehbrlrfjjshyfnldrrazwboiwqfmieicyurmsu