sohc

I'm new to this forum. After owning my '71 CB750 for 44 years, I believe my choppy engine operation around 2500-3500 rpm, is actually due to weak spark advance springs. tried different things over the years; but never addressed those springs. has anyone had satisfaction with the DYNA 2000; since...

Hey Guys, I am a newbie to the CB750.com forum but an avid motorcycle enthusiast. Back in 2011, I stumbled across a C/L ad for a Honda CB750 collection of parts in Colorado Springs. The wife was selling her ex's collection of Honda CB750 OHC parts. The story goes he was a Honda Service Manager...

Hi, Anybody know a source for the rubber bushings inside the headlight / fork ears? Rehabbing a barn find K1/K2. It came to me as a '71 frame & motor with a '72 front end. It sat for quite some time before I got it and most all the rubber bits on it need replacing. There are used bushings...

Hello, I am trying to figure out an easy way to get my 1976 CB750 running. I have a new harness, but I don't want to replace it until I know I cannot start the bike without replacing it. So, what are some steps I can take to figure out why my bike isn't starting, or steps to get it running...

Hey everyone, new member and new to bikes so hoping I can get some insight here... I have a 1977 cb750F that has a tach seal leak, but I can't figure out how to get the old one out. I tried the dental picks and also tried the wood screw thing, but when I was pre-drilling I hit metal as soon as I...

My whole front sprocket for the drive is loose. And as far as I can see I can't adjust it in any way. I just put on the retainer ring and bolt it tightly but it's like the whole retainer is a bit skinny. How can I adjust this? Maybe I need a new retainer ring? I mean, if I put spacers between...

All, Let me introduce myself. I am Evan. I just bought a 1976 CB750 for $550. There are some problems. I believe the kid I bought it from didn't really know what he was doing when he was trying to figure out why it died on him..... things I found out today: No fuse box - Unless i'm looking in...

Hey All! Happy to join the ranks of happy CB750 owners. There are a few questions I have regarding my newly acquired cb750. Hopefully you will be able to see the pictures attached. First: Is that front rotor too rusted? it isn't pitted at all, pretty smooth.. the rust seems to rub off...

This is my first rebuild project on a 1977 cb750F Super Sport. Need advice of where to get aftermarket break lines, calipers(or rebuild kit), reservoirs. I was hoping that there would be a total package "kit " that might even come with rotors and pads that some company put together for this...

Is it possible to go from original exhaust system to an exhaust system that does not have an exhaust collar flange and pipe flange?

Greetings! New to the sport with purchase of a 1977 CB750F. I purchased bike that had been sitting in sun and rain for 2 years. With new battery, new plugs and fresh tank of gas bike started with little effort. Would not run idling and died out randomly at 4K RPM when trying to warm up (...

So for the longest time I was really unhappy with the muffler options out there.... I had always wanted something like the under mounted box exhaust for the Ducati monster.... But found nothing out there.... I attempted to just slash cut my muffler off just after the coupling from my 4 into 1...

I have inherited this 73 CB750 and I'm in the process of bringing it back to life. I bought the carb rebuild kit and have the carbs off. As I was operating the choke lever I noticed that only the #1 choke plate would bottom out, the others would not and kinda float loosely. Pretty sure they...

I have K model carbs, and an F model top end. Which intake boots will work best with this application ?

hi all, i have a 1972 cb750....a good strong runner at least she was last year. i started her this morning after about a year, and she fired up 1st go. only thing is, i noticed fuel dripping out of 2 carburetor bowls. this flow stops when i turn the petcock of... otherwise the bike starts...

Hello, new to this forum and first time working on a CB750. I have a couple of smaller displacement builds under my belt, and have accessed lots on the honda twins forum. I can't seem to navigate my way to a CB750 manual download as I did on the twins site. Can anyone point me in the right...

thats for sale, couple of question, its painted black with gold stripe, and has 4 into one exhaust on right side, can`t find any reference to either item as stock, so not original? does not matter to me, just would like to know

I am looking for a good left upper exhaust for a k7 1977. Does anybody know where I could get one. Have looked on eBay but no decent ones. Does anybody manufacture replacements?

Hi! Just opened up the clutch on my K5 to find 7 friction disks and 5 plates. I’m guessing, becuses I don’t seem to be able to find anything anywhere, that there should be 1 less plate than disk. So the question is, has someone been in there before me and left out a plate OR put in an extra...

After searching for a while i finally found these on ebay. Just got them at my house in india. Just wanted to show everyone and understand if they were a good buy. Also bought forged connecting rods. I believe that i would have to cut the washer at the bottom to clear the cylinder. Can i use...

Hi all I have a 78k and i was looking at reboring the cylinders and am on lookout for good quality pistons. Are there some good aftermarket ones that are available. I saw a seller Cruzinimage on ebay who has pistons for $120. Are they good or do you guys recommend someone else?

New to the forum, my name is Dave Clark, from Columbus Ohio. I have a stock original condition 1976 CB750F, with 7,900-odd miles. Running and riding. I thought I was going to use the motor for a 70's 'Jammer' hardtail frame chopper project, but I think that would be a terrible thing to do...

Trying to determine what color my 750 "should be" , Ie: what the factory color was. Or does it matter , to the value , anyway. Should I pick a color I like and go with it. It's a 1974 model, and is currently Blue with the black tank accents. I'm assuming it's factory, but other sites experts say...

Been having trouble with my 72 and decided to replace clutch, pulled it apart and found the clutch pressure plate is broken :mad:. Any one know were to get one at a reasonable price of have one. Thanks - any suggestions would be appreciated OEM part number 22350-300-010 or 030

Hey guys, Bought a 78 CB750F from a relative and its been a ton of fun! Unfortunately two of the four needle jet holders are bent to crap and I have had zero luck finding replacements. Any help or direction to the right holder would be wonderful!

I have inherited a '78 CB750K, and have just completed a bunch of work to get the bike to the point where it *starts*, which is encouraging. But, several of the carbs are leaking through the overflow tubes. I've taken the carbs apart a four or five times, cleaned them as best as I could, but...

I am wanting to switch my stock airbox to pod filters. What jet sizes do i need to go up to, to be able to run them?

Hello all; new member to the forum. Wanted to log my build on my two CB750's that I picked up this past weekend, been wanting to do a CB build for the last couple of years and came across a deal on these two bikes that I just could not pass up! Ended up getting both bikes and almost four of...

I am restoring a 1974K4 and want to touch up the frame and some instruments brackets. I have checked the forum and cannot find which black paint is the best match for the original black honda used in the 70's? Tks

Intro... Picked this up just before Thanksgiving weekend. 78 CB750K. 14k miles. Been sitting in, and next to a barn for 25 years, or more. Goal is to get it back on the road as a reliable rider, and enjoy as an original survivor. Maybe put some flat bars, and give it a more muscle bike look...