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  1. Cm400t carb replacement

    Fuel Supply and Carburation
    I didn't do a keyword search but figured you guys might be able to help me on the best aftermarket or simply replacement carbs purchasable. What's a good site or seller that would ship to me? I have about 250-300$ to work with and am looking to install it asap. TIA
  2. Please help carb adjustments. Runs rich

    Fuel Supply and Carburation
    So my buddy bought a 81 cm400 custom for cheap, didn’t run. We figured it was carb. So we cleaned the carb and did a rebuild. Starts up fine but revs kinda crappy. First time for both of us rebuilding a carb. When you ride the bike it seems to not have much get up and go with any sort of load on...
  3. CB500T with VM32 Mikuni Carbs - Coughing/Spitting at 4000 rpms

    Fuel Supply and Carburation
    Hey Guys, I've got a 1976 CB500T that I've been resto-modding. The bike has gone through a rebuild some time ago, and I'm finalizing the build by trying to dial in carbs. I've ridden the bike around town multiple times, the most recent ride started out great, then after a few miles I started...
  4. 1972 Honda CL 175 K6 with Various Carb Issues

    Fuel Supply and Carburation
    Hey guys, wondering if anyone has any ideas on some issues I've been running into on my 1972 Honda CL 175 K6. So I've pretty much done a full rebuild on this thing(all original parts except for the air boxes) and there's been a few problems that I've been running into with the carbs. 1. Every...
  5. Aftermarket exhaust causes backfire

    Engine Discussion
    Theory only on cm400t.... I'm running aftermarket baffled exhaust pipes, dual.... I'm running pods and jetting carbs 125 and 90. The bike runs good for age, with a little hiccup in top-end 2nd and 3rd gear, but cruises well in 4th and takes the juice without a problem. The hiccups are minor and...
  6. Belgian guy, Honda CB125 K5 1971 German

    Member Introductions
    Hi! I'm a Belgian guy with a 1971 Honda CB125 K5 originally from Germany. The bike has those distinct German indicator lights. I bought it looking like brand new but the bike was a mechanical mess. I had the head bored to .75 oversize with new pistons and piston rings. Also the valves got...
  7. 1982 CB250N Superdream Jet sizes???

    Fuel Supply and Carburation
    Hey guys, My superdream is having problems and seems to be running rich. Always has sooty black plugs and i'm wondering if the jet sizes are wrong, but I can't seem to find any information on what stock jet sizes are. I've looked in the OWM and online but no luck. Thanks for helping Cheers Isaac
  8. CB175 Idling Inconsistent

    Engine Discussion
    what's up. so i have a 1971 CB175 that I bought a while ago and got running. (i'll list what i did below). but now it's either (1) idling way too high (4-5k) and fuel adjustment screw doesn't respond, or (2) idling too low and shutting off (will stay running if throttle used), or (3) most...
  9. Can I remove CB500T breather box?

    Fuel Supply and Carburation
    Hi, I have a '75 Honda CB500T. I removed the side air filters and am putting on pods (it has been jetted accordingly). I want to know if I can remove the breather box. If I do, what do I do with the small tubes that leave the carb and enter the box? Thanks!
  10. Basic carb tuning 1982 cm450E

    Fuel Supply and Carburation
    Just curious if anyone had a decent step-by-step or how-to on tuning carbs on a 1982 cm450E. I think I would benefit greatly from a more seasoned mechanic's wisdom the subject. I have the Shop manual that someone posted while back which has a decent rundown of this, but I think a veteran 450...
  11. 1975 CB200T Carburetor Disassembly Help

    Fuel Supply and Carburation
    Hi everyone, I tried to search around this forum a little but couldn't quite find what I was looking for. I'm not new to wrenching but I am new to motorcycles and I bought this CB200 about a month ago with a few issues. I'm starting to go through the fuel system. I'm in the middle of...
  12. CB450SC Engine and Carbs Located in Upstate SC

    Parts For Sale
    I have a few parts from a 1982 CB450SC parts bike for sale: -Engine: $75 -Carbs: $40 Engine is missing stator but does still have the flywheel. Carbs will need to be rebuilt. I can send (or post if needed) pics of both and will answer any questions about them. Thanks for looking!
  13. Wanted: CB400a carb body (Keihin VB24 A model carb. 28MM.

    Wanted Parts and Bikes
    Wanted: Carb body for CB400a Hondamatic. Keihin c VB24A, 28mm. Thank you. Jon
  14. CB500T Carb question

    Tune Up
    Good day everyone! I am posting this because i am having a crap shoot trying to tune my carburetors. I am running stock air boxes and filters with a custom exhaust. The right side is running rich while the left is running pretty perfect. I had 155 main jets in both sides with #38 pilots but I...
  15. My CB450 Came With 500T Carbs

    Fuel Supply and Carburation
    Hey all, recently bought my first vintage bike a couple weeks ago. Got a 1974 CB450 from a guy who owned and was selling several. Been going through the bike fixing any issues I find and I came to realize the bike has 500t carbs on it. From what I understand these carbs are close to the late...
  16. First time bike restorer in Savannah GA

    Member Introductions
    Hey everyone, I recently was given a 1978 CB400t by a friend who didn't have time to work on it. I am a mechanic for a golf course, so I took it on as a fun project. My friend had it in pieces, and I have recently really dove into it. It doesn't have carbs, so I need to locate those, and replace...
  17. 1982 CB450SC carb rebuild at a VERY new amateur mechanic

    Fuel Supply and Carburation
    Hello all, I am pretty new to this whole thing and never would have dreamed I'd take apart and rebuild a carb. It is a project I've been doing late at night after studying for boards, as I'm a second year medical student. I definitely don't have much experience in this stuff so any help would...
  18. CD125 1984 Benly Carb Removal

    Fuel Supply and Carburation
    Hi I have never done this before. Had a good look to see what's what to remove the carb from my bike. Not necessarily in the right order BUT this is what I think it will take.... Turn off the petrol and remove the fuel pipe. Unscrew and remove the choke assembly take off the fuel over flow...
  19. Honda cm250 carb questions

    Fuel Supply and Carburation
    Hello to all.. i am new to the forum and i am glad that i found this forum... i have trouble finding what size are the main jet and secondary jet on a cm250c 1985... the owner brought the bike for a service yesterday...he remove the factory air box and put cone filter and straight pipes...
  20. How do my carbs look? High res photos included.

    Fuel Supply and Carburation
    The bike: '76 CB360T. Keihin 754A Carbs. Stock air filters and exhaust. Photo gallery: Keihin 754A Carburetor (left side) - '76 Honda CB360T - Album on Imgur Hey all, will try to make this quick: My first bike. Real clean and well taken care of. Had it for about a year and a half now. Has...
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