I have dealt with a few stuck ones I seem to recall them responding to some
reasonable mechanical pursuasion and popping loose, but as Randall said, you
can strip them, check the price/availability of replacement parts and proceed
with reckless abandon or extreme caution as appropriate.
Greg Lemon
TR250
---- davgil@aol.com wrote:
>
>
>
> Thanks Randall. You have always been a great source and I really appreciate
> it.
>
>
>
> -----Original Message-----
> From: Randall <tr3driver@ca.rr.com>
> To: davgil <davgil@aol.com>
> Sent: Thu, Sep 20, 2018 10:52 am
> Subject: RE: [TR] ZS XD 175 carbs needle adjustment
>
> Probably not. There is a retaining screw on the side, but it's supposed to
> be spring loaded so the needle carrier can still move for adjustment. But
> the adjusting screw can get jammed in the full rich position.
> Unfortunately, the hex is brass and relatively easy to strip. If that
> happens, or you can't get it apart, you may have to drill the screw out and
> replace it (possibly along with the needle carrier).
>
> Soaking in a good penetrating oil (like PB Blaster) might help, but you
> should probably replace the O-ring afterwards.
>
> There's a good article at
> http://www.buckeyetriumphs.org/technical/Carbs/CarbsII/CarbsII.htm
> The section on the needle adjustment is near the end.
>
> -- Randall
>
> > -----Original Message-----
> > From: Triumphs [mailto:triumphs-bounces@autox.team.net] On
> > Behalf Of davgil@aol.com
> > Sent: Thursday, September 20, 2018 10:02 AM
> > To: triumphs@autox.team.net
> > Subject: [TR] ZS XD 175 carbs needle adjustment
> >
> > Good morning,
> > My 1976 TR6 is running rich on the front cylinders based on
> > the color of the plugs. I was attempting to adjust the
> > needle using a carb adjustment tool that locks the upper part
> > and passes the wrench through to the adjustment. The wrench
> > will seat in the adjuster, but will not move either way. I
> > did not think that these had locking screws to prevent any
> > change. I was reluctant to force the needle and wanted to
> > see if there is something I am missing here.
> >
> >
>
>
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