Subject: Re: [TR] carburetors

From: Greg Lemon <[email-masked]>
Date: Tue, 3 Oct 2023 22:30:46 -0500

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I agree with Frank, it seems quite a jump to say you need new carbs or a
rebuild, the carbs will work fairly well even if worn or poorly adjusted.
Torn diaphragms can be an issue, but doesn't sound like it matches your
symptoms.

Could the choke (enriching lever) be stuck or not adjusted right?  Or a
float bad or float needle stuck as suggested?  If crud gets in the carbs
needles can stick whether the carbs was rebuilt or not, old gas tanks and
fuel lines are sources for crud.   These are all fairly easy fixes and far
short of a carb rebuild in parts and labor needed for the fix.

As noted, worst case could be head gasket or internal engine but in my
experience problems like this are usually a simple fix (once you figure out
what needs to be done).

Greg Lemon
TR250

On Tue, Oct 3, 2023, 8:31 PM Frank Magnusson <[email-masked]> wrote:

> Some of your mechanics conclusions seem a bit dubeous.  I would get a
> second opinion.  It may not be your carbs.
> Did you do a compression check?  White smoke typically is antifreeze; i.e
> head gasket.
> Strombrrg carbs are generally bullet proof and very simple.  I=E2=80=99ve=
 had many
> carbs on many Triumphs over the years and never had any issues for the mo=
st
> part.  Even carbs that had been sitting for 20-30 years, no overhaul and
> they worked.  The only issue I had recently on one was a burr on the one =
of
> the pistons that caused it to hang up.  Check the checkvalves in the floa=
t
> bowls; they tend to stick.  I had one stuck open, another stuck closed
> along with the burr on one piston and the only symptom was power loss.
>
> Frank
> =E2=80=9872 Stag, TR6,  GT6, Spit
>
> Sent from my iPad
> ** [email-masked] **
>
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<div dir=3D"auto">I agree with Frank, it seems quite a jump to say you need=
 new carbs or a rebuild, the carbs will work fairly well even if worn or po=
orly adjusted.=C2=A0 Torn diaphragms can be an issue, but doesn&#39;t sound=
 like it matches your symptoms.<div dir=3D"auto"><br></div><div dir=3D"auto=
">Could the choke (enriching lever) be stuck or not adjusted right?=C2=A0 O=
r a float bad or float needle stuck as suggested?=C2=A0 If crud gets in the=
 carbs needles can stick whether the carbs was rebuilt or not, old gas tank=
s and fuel lines are sources for crud.=C2=A0 =C2=A0These are all fairly eas=
y fixes and far short of a carb rebuild in parts and labor needed for the f=
ix.</div><div dir=3D"auto"><br></div><div dir=3D"auto">As noted, worst case=
 could be head gasket or internal engine but in my experience problems like=
 this are usually a simple fix (once you figure out what needs to be done).=
</div><div dir=3D"auto"><br></div><div dir=3D"auto">Greg Lemon</div><div di=
r=3D"auto">TR250</div></div><br><div class=3D"gmail_quote"><div dir=3D"ltr"=
 class=3D"gmail_attr">On Tue, Oct 3, 2023, 8:31 PM Frank Magnusson &lt;<a h=
ref=3D"mailto:[email-masked]">[email-masked]</a>&gt; wrote:<br></div><blockqu=
ote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc s=
olid;padding-left:1ex">Some of your mechanics conclusions seem a bit dubeou=
s.=C2=A0 I would get a second opinion.=C2=A0 It may not be your carbs.<br>
Did you do a compression check?=C2=A0 White smoke typically is antifreeze; =
i.e head gasket.=C2=A0 <br>
Strombrrg carbs are generally bullet proof and very simple.=C2=A0 I=E2=80=
=99ve had many carbs on many Triumphs over the years and never had any issu=
es for the most part.=C2=A0 Even carbs that had been sitting for 20-30 year=
s, no overhaul and they worked.=C2=A0 The only issue I had recently on one =
was a burr on the one of the pistons that caused it to hang up.=C2=A0 Check=
 the checkvalves in the float bowls; they tend to stick.=C2=A0 I had one st=
uck open, another stuck closed along with the burr on one piston and the on=
ly symptom was power loss.<br>
<br>
Frank<br>
=E2=80=9872 Stag, TR6,=C2=A0 GT6, Spit<br>
<br>
Sent from my iPad<br>
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Archive: <a href=3D"http://www.team.net/pipermail/triumphs" rel=3D"noreferr=
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" target=3D"_blank">http://www.team.net/archive</a><br>
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</blockquote></div>

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