[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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