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Lately my bike has been between 4k and 5k at idle, which is annoying but I think I just need to play with the idle a little more, but what really has me concerned is this. If I accelerate too hard (or at all sometimes) my tach will jump almost 1000 RPMs with gradual acceleration/ power gain, if...

I've been out of the game for awhile but warm weather is coming so I want to get running again. I've seen a few posts where people have used washers to shim the needles for their carbs but not really a how to, what to use, or a why. Before winter we had her running but only at about half. It...

I've been looking around (again) for ammo cans to mount as saddle bags. I'm thinking about using the "fat" .50 cal cans and was wondering if anyone knew a decent way to mount them. At first I thought, "drill some holes and just throw them on there" but quickly realized that would be bad. So...

About a week after I replaced my leaky seals they started leaking again but this time it was worse than before. Is there anything extra that I can apply to help seal it or is there a specific brand of seal that does better than most? I got my seals from vintagecb750.com We found a step by...

1977 CB750K I was finally able to get all four cylinders firing the other day but when it's running I notice the the pipes for 1 and 2 aren't getting nearly as hot as 3 and 4, which get very hot and very quickly. One and two aren't nearly as vocal as 3 and 4 and unless I'm accelerating they...

While working on trying to get 3 and 4 to fire I noticed that the throttle was getting very heavy. I look to see if there was anything binding it (I didn't see anything but I think I'll replace it anyway) when my dad and I see gas shooting out of the carbs. Upon closer inspection it look like...

I'd like my wife to ride along with me but she doesn't feel comfortable without something at her back and preferably something to hold onto besides me. My grandpa had a huge sissy bar (seriously, this thing is about 3 feet tall) but because it isn't 1970 now, I will not ride with it. Where...

I'm trying to restore my bike to stock as much as possible but have had nothing but trouble when it comes to the carbs. At least, I think it is the carbs. I've been looking at the CR setup that Cycle X has and I have been wondering, is it worth it? From what I have read is the '77 comes with...

I'd like to thank you guys for all the help you have been giving me. But I'm still having trouble. I've tried looking over the site for similar problems but haven't had any luck. Coming out of the winter we cleaned the carbs out really well and put everything back together but starting it is...

I put a fresh battery in my bike and after 3-4 weeks it wouldn't start. I charged it over night and there were no problems the next morning. When it gets low my headlight starts to flash a little, especially when using turn signals. Is the battery not charging? About turn signals, my left...

I know in older cars you can replace the stock valve seats and guides to move away from leaded gasoline additives. Do they make hardened replacements for motorcycles?

My dad and I took the carbs of my '77 CB750K completely apart to give them a good (dip) cleaning. In 2 and 3 there was "rusty mud" so it was entirely necessary, but now when we are trying to get the back together we are running into problems. The biggest issue is getting the the check valve...

Recently my dad and I took apart the carbs of my 77 K and noticed what looked like sand in the bottom of them. Is this from dirty fuel? I know my tank has a spot of rust that couldn't get cleaned out but was sealed. What would work for getting rust out of my tank, or is there a filter I can...

On quite a few of people's pictures of their bike I've seen their exhausts wrapped up in tape. What is the purpose of it and how does it help?

I just bought some saddlebags (for a horse saddle) and I was wondering if there are any guide lines for attaching bags to your bike. I know what I'm working with isn't ideal but I am on a budget and I can't get any ammo cans for a few weeks.

I've been trying to find out how I can lower my 77 CB750k a couple/few inches so that I can sit a little more comfortable on it. Lowering could make it look a little meaner too.

I've been scouring all over the net trying to find a replacement piston for my front brake but to no avail. I did see one on CB750supply.com and vintagecb750.com but both sites removed them from their inventory. Everywhere else I go says that the part is obsolete but offers no replacement...

I've cruised through the cb750 part sites and have been unable to find a rebuild kit specifically for the '77 750K. Will the kits for the 750F work?