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I soaked it all in pine-sol for a day then scrubbed it down. Removed the jets and cleaned them out using carb cleaner spray and a high e guitar string. Thn I sprayed the passages with carb cleaner. I realized I never sprayed through the nozzles so I did this yesterday but cant seem to get th...

After pulling apart and cleaning my 1978 cb750K carburetors I only am able to eject fuel out of carburetors #2 and #4. The bowls are filling up and everything however no fuel is squirting out of carburetors #1 or #3. I first thought float height so I took off the bowls and set it but the results...

I have been working on this 1978 cb750K for about a week now and I noticed today that the rear tire seems to sit a little to the left.. I thought the wheel might be out of true but when i spin it it remains consistent. The thing is, it is clearly centered on the swing arm and I took the shocks...

thank you both!

I'm away from my bike at the moment but would like to pick up some tube to bend my rear seat hoop. If i recall, my 78 cb has 1 1/8' OD. Can anyone confirm this? Does anyone know the ID on the frame? thanks

Thank goodness mine weren't that bad! I have the the important parts cleared out I beleiv. However I can't figure out the little coiled spring between #2 and #3 carbs. It came uncoiled and I can't for the life of me get it back together correctly . Thanks for any help yall hare great

Ok thanks! First thing I need help with is the throttle assembly on my 78 Keihin carbs! I pulled the #4 carb off to replace a line and the little thin spring between #2 and #3 came uncoiled..i can't geo the life of me get everything working properly now. I know im missing something simple...

I can't get a repair manual for my 1978 cb750 until a week from now due to shipping and no one local carries them. I have found online resources but most do not cater to my bike and I can't seem to find what I need through all the different options of downloads. Does anyone know of a simple doc...

Thanks thats good to hear! Ill keep yall posted!

Thanks for the info! So should I break it down further? Essentially the jets being clean is the main thing right? How spotless do the bowls really need to be? Just in case the soak and scrub doesnt get it all off. Thanks

Thanks for the advice! I am thinking trying a pine sole soak! Has anyone done this? Also does anyone have a link to a fsm manual for a 78 cb750? I have seen one online but cant find it now....I have takin out all the brass in the bottom. is that all i need to do before the dip? Is there any...

What all can i take apart on these things? Is it important to dig into the top end or what? Top doesn't look bad but iI want to break this thing down and scrub on it extensively! Any good diagrams out there or threads on this topic? What pieces need to be cleaned for functionality? Thanks! Sorry...

Is there any good guide out there to a rebuild? I cant even find a decent breakdown of this carburetor! Thanks

Cyclebuster, what are you asking just curious? I'm cheap myself but I dug into these things tonight and they are crusty white? The holes seem to be clear and I have rn the bike with them in this condition but it was rough. I have never seen a caeb that looks like this? What is this gunk and can...

Just broke into my 78 cb750s carbs and they are crusty and nasty! What is the best way to thoroughly clean these bad boys? What are yalls thoughts on rebuild kits? There seems to be mixed feelings on this! This is my first motorcycle so I am new to this world. I know I need new rubber but what...

That is where it snapped! Thanks, ill replace it and see what happens!

I picked up a 1978 cb750 the other night that runs rough, about to clean the carbs up and see what that does for her. Anyhow I noticed the clutch would not budge. I gave it a pretty ample amount of pressure to see if it would give and then the old cables snapped. What could have it seized up so...