HondaCB650

Poor Combination!

OK, things look better with some sleep. I have had a crazy schedule for a couple of weeks. I understand your question now. First; I am not a Pipe Designer and know only enough to be dangerous but I know how to ask the right people and listen to them and That is why I had mine built for my 80cb650c. ...

Welcome to the forum Sir. Good Start. Air leaks are difficult to find at first and easy to miss. *Try a basic Inspection for Carb Operation. 1) Check Idle Adjustment Screw, Cable full return and free play and full travel. Make sure it is clean and operating correct and easy no binding and so on. 2) ...

Well, Time to pull the top end off and freshen up valves and gaskets from the case up. Complete and Spotless Cleaning with attention to detail on All Oil passageways and O-rings. Careful not to damage or pry sealing surfaces on removal and Go to work. A good pressure wash before starting will make m...

Good luck sir!
Help this forum if you find no local help.
I am in Oregon several hours away an a State in between.
If experienced then basic clean and restoration.

Well all the parts came in today at the shop and look Great.
Thank you so much Sir. Do I owe you any more for shipping or anything?
Did I buy all of your parts? Do you more not listed?

So Thank you again for some great parts.

So I had a friend of mine Design and build a set of 4 into one pipes for me. I have not seen them yet but will in a couple of days. You could copy the set you have now as it is 4 into 1 correct? The stock pipe, the one inside not outer shield is actually near perfect diameter for the 650. My Friend ...

So Honda Racing Started back in the 60's drilled the slides and went in small increments for the reasons I mentioned above. If you get the holes too big it raises the Idle speed too high. But drilling Manual slides was a Directive Straight from The Factory Race team and is a Good Performance option ...

I spoke with K&N about the RC 2362 Oval 2 into 1 filter. It does fit the CV but not the PD carb. I spoke with Richard there and he asked for the OD dimensions of Throttle body, Center to Center bore spacing and the distance from the edge of the carb body and distance to frame and he will find a ...

I looked up the website and saw no listing for the 79 or 80. I called the company and asked if they made a Jet Kit for the 79 and 80 cb650 SOHC and they confirmed that they do not make a kit at this time. The next question then is which kit do you have? What make and model number is your carburetor?...

No.
It can be welded but more expensive than replacing it.

Replace it.

So Large Cones will work but Experiment with Jetting. *4 into 1 is best performance on a in line four ( good Bottom, mid and top end) *Stock 2 into 1 is the worst- (left 2-1 and right 2-1) but runs good at top end and needs to be kept high in the mid range to pull *Outside 2 into one is much better,...

MY Mistake. It has Little to do with A/F Ratio. I was thinking of the butterfly valve/plate. Yours suggest larger holes in the Round Slide Correct? So That does TWO THINGS: 1) It Reduces the Vacuum on the slide at Rest or Closed Position . When Throttle is off or Completely closed the slides Have a ...

Hello!
What carburetor do you have? The Model number is on the side of carb body.
I have looked at those kits but have not used one on a cb650.

Post Pictures when you can.

OK. K&N made a POD style Airfilter that fit Two Carburetors that works pretty well. So the left two into one filter that appears as one pod from the side, and also the right two into one. Much work has been done on the subject and a member has posted his jetting and pods specific that are workin...