Thanks to suggestions of a couple of listers, I replaced the diaphragm and
the needle/seat, and I'm back in business. Taking the carb apart was easy,
the really, really hard part was getting them on and off the car. It was
almost impossible to see and reach the lower bolts, especially the lower
I had to remove both carbs to get one off. Is this always the case? Is it
possible to remove one without removing both?
The difficulty I'm having now is getting the two choke cables to pull evenly
-- the enrichment at the back carb is much stronger that at the front
carb. I'm having trouble getting my hands where they need to be to get
the cables adjusted properly. Does anyone have a tip for getting both
carbs to do the same thing when you pull the choke?
On Mon, Sep 1, 2008 at 8:55 AM, T W <firstname.lastname@example.org> wrote:
> I should be out driving, instead my front HD8 is sitting disassembled in my
> basement. Aiieee..
> I was getting some gas leaking from the bottom of my front carb. I didn't
> notice any gas coming out of the overflow tube. I've had this happen in
> the past when I turn the ignition key and listen until the fuel pump stops
> clicking. If the pump didn't stop, a couple of taps on the float chamber
> would take care of it.
> Yesterday I was running down a problem with one of the turn signals (bad
> bullet connector), so I had the ignition on for a while without running the
> engine. I noticed the fuel pump clicking every so often, and I could smell
> gas. No gas coming out the overflow tube, just gas slowly dripping from
> the bottom of the carb.
> A check of the list archive suggested the diaphram (jet assembly) was a
> likely culprit. I pulled the carb off, but the diaphram appears to be
> Is it possible to have slow leak at the float chamber needle valve, so that
> the float chamber isn't overflowing, but you're getting too much gas at the
> needle? Another question -- when the diaphram fails, is it really
> obvious, or could I be over looking a small crack?
> I was looking thru my Moss catalog, and it sez the grosse jet is a superior
> replacement for the needle and seat. Does anyone have any experience with
> one vs. the other?
> thanks again!
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