[TR] Fwd: TR3 H6 Carbs Running Rich

William Brewer bbrewer at tvwireless.net
Tue Oct 16 22:03:36 MDT 2007


      Thanks for the help from the list.
      I rechecked the float bowl float level to see if they were  
still at 7/16th like the manual says. Somehow, they were both a tight  
7/16ths. I set them to 1/2 inch float level and the carbs synched  
right up and the old TR runs great.

      Bill Brewer
      Tehachapi, CA


Begin forwarded message:

> From: William Brewer <bbrewer at tvwireless.net>
> Date: October 14, 2007 6:33:34 PM PDT
> To: triumphs at autox.team.net
> Subject: TR3 H6 Carbs Running Rich
>
>      I finally replaced the rear SU on my TR3. It just wouldn't  
> stop leaking gas no matter what I tried (leaking from the float  
> bowl mount, new grommets and bolt didn't help). I used a spare carb  
> I had laying around and rebuilt it with a complete new jet assembly  
> from Moss. Long story short, it runs very rich. I checked the front  
> carb (rebuilt about 30,000 miles ago) and it is also running rich.  
> The plugs have black soot all over them front to rear. At least  
> there are no leaks. The jets are adjusted all the way up and they  
> are still rich. I installed lean needles from Moss and it is still  
> rich.
>      Any advice from the list?
>      I've considered re-adjusting the needles to a lower position  
> using a 1/16 or or 1/8 shim to set it instead of having the  
> shoulder even with the  bottom of the damper. Has anyone else tried  
> this?
>      I live at about the 5,000 feet elevation.
>      What gives?
>
>      Bill Brewer
>      Tehachapi, CA


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