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Re: [TR] ZS XD 175 carbs needle adjustment

To: davgil@aol.com
Subject: Re: [TR] ZS XD 175 carbs needle adjustment
From: <glemon@neb.rr.com>
Date: Thu, 20 Sep 2018 19:48:01 -0400
Cc: triumphs@autox.team.net
Delivered-to: mharc@autox.team.net
Delivered-to: triumphs@autox.team.net
Sensitivity: Normal Thu, 20 Sep 2018 23:48:01 +0000 GOXwQYETAnIVxAfm5OXN7i3a0SLHoVWjukBp0mL7+N/261Zj//3s3ctCacefwbsdYk9FsgNjBi1V1Q==
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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