Mine is the 12mm bolt w/gasket that unscrews. I've moved it around
and it does affect a change in the idle, but it does nothing about the
oscillation. I tend to think it is "hunting" and could believe the
carb is clogged.

My thought is that it was working, then I didn't use it for several
months and it was covered w/tarp, then I put a new battery in and it
would not start (it would start perfectly w/starter fluid, but when
fluid was gone it cut-out.) So

I took the bowl off and checked the gas lines and yes there was a lot
of "junk" in the bowl (and some each time I've cleaned it.) I have now
taken the bowl off and sprayed the entire system with carb-cleaner and
have not turned any screws. So I don't see how it can be anything
other than the bowl, and I have followed the advice of a poster about
the correct position, but it makes no difference, so it must be
clogged and/or a spring has failed.

I really did not want to remove this carb, it looks like a real bitch
because the screws are against the muffler and on and on...and I don't
want to screw up the linkage/springs. As I say, it does run when at
full throttle, but I'd rather have it running correctly at all speeds.

Thanks for the dialogue, I and others appreciate your responses.


"Bob M." wrote in message ...
I have seen two styles of water drains: spring-loaded types that you push up
with your finger and let stuff out, and an actual 12mm bolt with a gasket
that unscrews. Usually these are mounted off to the side of the bottom of
the bowl, not directly in the center, and it's hard to call them
adjustments. I'm pretty sure the original poster was referring to the
knurled screw and spring that screws up into the center bolt that also holds
the fuel bowl to the carburetor. This does go into the tube that feeds the
main jet, so if you stretch the previous poster's reply, he's got all the
words there to convey the message, but it could use just a few more. I
understood what he was saying, and it does indeed richen and lean the fuel
mixture once the throttle is off the idle position. I think the original
poster will find more than enough info here if he reads all of our replies.

Bob
====
"CBHvac" wrote in message
...
Unless its a water drain, and NOT an adjustment...
Hard to adjust JETS when they are FIXED.

"Stormin Mormon" wrote in message
...
Increases or decreases the gas jet. Richens or leans the fuel mix.

--

Christopher A. Young
Learn more about Jesus
www.lds.org
www.mormons.org
.
.

"Buck Wheat" wrote in message
om...
What does the screw/adjustment at the bottom of the float bowl do?

Thanks.