On Saturday 30 December 2006 08:00 am, DLylis@aol.com wrote:
> My 3A is my first experience of any depth with SU carbs. I have been
> having idle problems although the car runs fine at speed. I have done the
> usual, but when I pulled out the jets to replace the seals I found perished
> O rings and the replacements provided are cork. What is the conventional
> wisdom here. When I shut off the car I would get a small drip of fuel that
> ran down the jet between the "keeper" and the jet, and so I assume that
> when running if the upper seal was as bad the fuel would also feed into
> the carb in addition to what was being fed by the needle and jet.
> Also, I get play at the throttle shaft on both but when I use the old carb
> cleaner trick I get no change. I am assuming that any leak at the shaft is
> not significant enough to bother with. From what I can see, and I have not
> had the shafts out, the SUs do not have the rubber shaft seal that is used
> in the Z-S.
>
> David Lylis
> 69 TR6 CC26160L
> 60 TR3A TS74461LO
>
Dave,
Order the the leak-free replacements from Moss. Part # 365-420. They are made
out of nitrile or something.
Bob
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