Re: TR6 ZS carb problem

[Trevor Boicey <tboicey@brit.ca>]

Chad Stretz wrote:
> What exactly do the bypass valves do, and how do you know when they're
> bad?  Symptoms?

  As mentioned, the provide air during deceleration for emissions
purposes.

  The usual failure is "stick open", which is seen as the engine
sometimes
not idling below 1500 when coming to a traffic light, but blipping the
throttle knocks it down to normal.
 
-- 
Trevor Boicey
Ottawa, Canada
tboicey@brit.ca
http://www.brit.ca/~tboicey/