Yes,
Basically the jet is a brass tube that fits into the base of the carb
and has a fuel feed pipe that connects from the bottom of the float
chamber.
The needle slides in and out of the jet, and is tapered to allow a
measured rate of flow of fuel to pass up through the jet.
The waxstat ones have some sort of sealed cylindrical chamber
containing wax, around the base of the jet tube. As the temerature
rises the wax melts and expands, moving the jet upwards and so
weakening the mixture.
Bit gimmicky, and not known for reliability or accuracy.
The standard ones are a direct replacement
Guy
----- Original Message -----
From "Chris King" <cbking at mail.alum.rpi.edu>
To: "Guy Weller" <guy@weller-lakes.freeserve.co.uk>
Sent: 20 February 2002 20:20
Subject: Re: SU rebuild question
> Guy,
>
> Fewer problems is good - one of the reasons I wanted to replace the
ZS in the first place!
>
> Do the fixed jets just swap in in place of the waxstat ones?
>
> -=Chris
>
>
> Chris King - cbking@alum.rpi.edu
> http://members.home.net/kvcbk/
>
>
>
> ---------- Original Message ----------------------------------
> From: "Guy Weller" <guy@weller-lakes.freeserve.co.uk>
> Date: Wed, 20 Feb 2002 19:54:08 -0000
>
> >Waxstat jets are supposed to automatically adjust (weaken) the
mixture
> >as temperature rises.
> >They are not worth the extra cost. Go for standard fixed jets,
they
> >are cheaper and work better - fewer problems
> >Guy
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