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  1. Fuel Supply and Carburation
    Hi all. First post. I did a 12V conversion so took out the stock battery mount and air box. Added a pod filter, so I ordered a jet kit from 6sigma to get things properly balanced again. I was able to replace the main jet just fine, but the kit also includes a new mix jet. The diagram and...
  2. Fuel Supply and Carburation
    I’m sure this has been asked numerous times but the only solution seems to be cmc for these throttle shaft plugs does anyone else have a source on where to get them since cmc has not sold them in quite some time.
  3. Fuel Supply and Carburation
    Hey folks! I have been researching on HT for several weeks while I work on reviving a 1975 CB500T. This bike has been out of regular use since 2002, from what the records show, and has been pretty neglected. I got it running, day 1 and have been chasing down little projects/challenges on this...
  4. Fuel Supply and Carburation
    If you have a CB175, could you take a look at the manifolds between the carb and engine and look for a faintly stamped number on the top edge above the bolts? You will need a flashlight, but the numbers are visible without removing anything from the bike. Once you find that number could you post...
  5. Fuel Supply and Carburation
    I recently purchased a '73 CB175. Original 20mm Keihin on the left cylinder, a cheap Ebay import carb (stamped OEMSTD) on the right, and of course the right side barely fires, and will not stay running. Lucky enough to get a set of matching Keihin 20mm carbs off eBay for a decent price. My...
  6. Fuel Supply and Carburation
    Hello all, I'm new here and I am currently in the process of disassembling my carburetors for my '69 CL350 and it seems this plastic piece where the needle sits has been cracked for some time. Is there any way to replace this or will I have to buy new carbs?
  7. Fuel Supply and Carburation
    I just finished rebuilding the top end on my 72 CB450, new pistons, rings, gaskets, valves, sleeved cylinders, cams and cam followers repaired by Delta Cams. Bike fired up great, but I am now facing a carburetor issue. The idle is erratic, doesn't return to idle right away, after the bike...
  8. Fuel Supply and Carburation
    Hello: I'm reviving a 1978 CB400A Hondamatic. Can someone give me with the name of a vendor that will provide the correct carburetor rebuild kit parts? I've already purchased one on Ebay that clearly was not correct. Just a bit frustrated here. Thanks in advance. Mac
  9. Fuel Supply and Carburation
    Can someone tell me what the exact part name is for item #24 in the image below? I snapped one on my '66 scrambler and need to replace it. Thanks!
  10. Fuel Supply and Carburation
    Hi there! A bit of background: My 1973 CL350K5 was running well and a few weeks ago I stripped lots of parts off to clean, replace old gaskets, rebuild brakes etc. During this process I didn't touch the engine but installed new stock air filters, replaced the rectifier and regulator with a new...
  11. Engine Discussion
    Hi, I have a 1981 CM400T that I bought off of Craigslist. I have began replacing the airbox with pod filters and have come across an issue with my carburetor. the carburetor I have is not the original carb. it's actually off of a CM450E. I had, what I thought was, the right size jets to rejet...
  12. Wanted Parts and Bikes
    I recently purchased some carbs in rough shape from someone on this forum. After putting in a lot of work they actually cleaned up really nicely. Here's some after and before: In the final steps of getting them ready to install, I screwed up big time... As many of you know main jets are a...
  13. Fuel Supply and Carburation
    Just got a 1980 cm400t. Was barely running and had sat for a long time. New coil pack, cdi box, battery, and wiring. Problem came when I rebuilt the carb and acceleration pump. After rebuilding it idles fine and at low rpms throttles fine, but if I crank the throttle back fast or hard it gets...
  14. Wanted Parts and Bikes
    I need to replace the float bowl on my late style Keihin carburetor for a CB350. Let me know if you have one to sell, please! Or where I might find one.
  15. Member Introductions
    Hello all, its cyr. Super super grateful to have found this form, very eager to tap into the knowledge of anyone who has any to spare. First post on this form so here is my go at following the list.:p 1.) Location: West Texas. 2.) Year, Make, Model: 1981 (Honda) CM400E with 11,198 miles Lets...
  16. Fuel Supply and Carburation
    I left the petcock on my cm400t for a few days and found that though it was leaning left on kickstand gas had filled the opposit cylinder and I had to remove plug to let out the gas cause of pressure buildup so that it would turnover and start.. My first thought is float needle isn't seated or...
  17. Fuel Supply and Carburation
    Hi guys! I could use the some herd wisdom in solving what I think is a carburetor problem. I bought myself my first bike for Xmas 2017, a cafe-style '74 CB360. It was a daily commuter for the guy I bought it from so naturally it kicked over and ran fine when I bought it. But because I couldn't...
  18. Fuel Supply and Carburation
    So I'm working on an old 68' CL175 and after taking off the carbs for some inspecting, I noticed that one of the carbs is missing the little flap on door of the choke valve. After digging through the shop manual I think I've figured out that it is the relief valve. It looks like there may have...
  19. Fuel Supply and Carburation
    Hello All - I am new here, new to the CA160, but not new to motorcycles. The bike is somewhat difficult to start when cold, half choking it helps a little. Still have to kick it a bunch, and catch it just right with the throttle. Runs pretty darn rough when warmed up, cannot set idle (idles high...
  20. 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...
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