Re: yet another jetting question

On Tue, 25 Nov 2003 20:57:29 -0800, bret wrote:

> This '81 CB650 has something to teach me. (the positive way of looking at
> it)
> 
> I got it at the beginning of the summer with 13,000 mi. I just checked the
> odometer, I put a little more miles on it over the summer than I thought.
> It's at 18,000 now.
> 
> At first it would cut out if I gave it more than 1/4 throttle, under load.
> Going up a hill on the freeway required that I let up on the throttle so
> it would have enough power. Downshifting just made it worse. It seemed
> like it didn't want to rev, but as long as I built speed while the
> throttle was barely open, it would eventually get past 5,000 rpm.

Does your CB650 have CV carburetors? Am guessing that it does and that one
or more of the vacuum diaphragms has a hole in it. Or if it uses the
piston style CV carburetor that one or more is sticking.