Z-S leaking fuel from the underside

["Chris Fiddes" <cfiddes@direct.ca>]

Hi Steve and listers, 

A block from work this morning I got a noseful of gas fumes.  When 
I pulled into the garage and took a look underneath I found my ZS 
carb dripping an ungodly amount of fuel.

I replaced the rubber o-ring on the bottom plug about a year ago 
when I had a similar problem. Given that the fuel is coming from the 
bottom plug, is this normal life expectancy for that o-ring or should 
I be looking for other problems?

Geez, since the Challenger accident the words "failed", "o-ring", 
and "fuel" used together make me shudder.

Thanks for the advice.

Chris.
'75 Midget