Subject: [TR] TR6 Zenith Stromberg Carbs

From: "Henningsen, James D." <[email-masked]>
Date: Fri, 5 Nov 2021 18:25:43 +0000

Ok, it’s been a while since I’ve adjusted the mixture on my ZS 175 CD-2 carbs on my TR6.  I have the adjustable B1AF needles,  removed damper from carb body, removed the fixing screw from the piston damper side.  I insert the special tool into the damper tube to turn the needle assembly and it engages the hex socket hole.  I can rotate left and right but it doesn’t move the height of the needle face on the bottom of the damper no matter which way I turn.    If I pull the needle down from the damper to its lowest spring position and then turn left or right, the needle seat height does move up and down.   I don’t recall having to hold the needle out to adjust mixture.  I also can’t easily find the fully lean or rich stop points easily.  Ten turns seems a bit much.

Any thoughts greatly appreciated.  Trying to get my refreshed 6 back on the road from a major engine drivetrain upgrade. Thanks I advance 

Jim Henningsen
Ocala FL
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From: Jim Henningsen <[email-masked]>
Date: Tue, 16 Nov 2021 06:57:12 -0500

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I finally got it to do the 3.5 turns.  I took out the needles and cleaned up=
 everything.  Had some grunge in the screw area.  Turns out the little screw=
 on the side of the piston damper needs to be in and set on the flat side of=
 the needle seat.  With it in, the needle adjusts with the special tool.  Wi=
th it out, it just spins and no adjustment happens.  Like I said, it=E2=80=99=
s been a while since I worked on the zenith carbs.  Good re learning experie=
nce.  Running much better now!  Thanks for everyone=E2=80=99s advice.
Jim Henningsen

> On Nov 15, 2021, at 5:35 PM, Sujit Roy <[email-masked]> wrote:
>=20
> =EF=BB=BF
> 3.5 turns on mine from end to end. Maybe yours has come off.
>=20
>> On Mon, Nov 15, 2021, 2:33 PM Sujit Roy <[email-masked]> wrote:
>> I'm my case on my Stag . Same carbs. The star washer was missing so the n=
eedle didn't move up or down. Maybe ur star washer is not fully seated.
>>=20
>>> On Mon, Nov 15, 2021, 11:57 AM Henningsen, James D. <[email-masked]> wr=
ote:
>>> Ok, it=E2=80=99s been a while since I=E2=80=99ve adjusted the mixture on=
 my ZS 175 CD-2 carbs on my TR6.  I have the adjustable B1AF needles,  remov=
ed damper from carb body, removed the fixing screw from the piston damper si=
de.  I insert the special tool into the damper tube to turn the needle assem=
bly and it engages the hex socket hole.  I can rotate left and right but it d=
oesn=E2=80=99t move the height of the needle face on the bottom of the dampe=
r no matter which way I turn.    If I pull the needle down from the damper t=
o its lowest spring position and then turn left or right, the needle seat he=
ight does move up and down.   I don=E2=80=99t recall having to hold the need=
le out to adjust mixture.  I also can=E2=80=99t easily find the fully lean o=
r rich stop points easily.  Ten turns seems a bit much.
>>>=20
>>> Any thoughts greatly appreciated.  Trying to get my refreshed 6 back on t=
he road from a major engine drivetrain upgrade. Thanks I advance=20
>>>=20
>>>=20
>>> Archive: http://www.team.net/pipermail/triumphs  http://www.team.net/arc=
hive
>>>=20
>>> Unsubscribe/Manage: http://autox.team.net/mailman/options/triumphs/trium=
[email-masked]
>=20
> Archive: http://www.team.net/pipermail/triumphs  http://www.team.net/archi=
ve
>=20
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<html><head><meta http-equiv=3D"content-type" content=3D"text/html; charset=3D=
utf-8"></head><body dir=3D"auto"><div dir=3D"ltr">I finally got it to do the=
 3.5 turns. &nbsp;I took out the needles and cleaned up everything. &nbsp;Ha=
d some grunge in the screw area. &nbsp;Turns out the little screw on the sid=
e of the piston damper needs to be in and set on the flat side of the needle=
 seat. &nbsp;With it in, the needle adjusts with the special tool. &nbsp;Wit=
h it out, it just spins and no adjustment happens. &nbsp;Like I said, it=E2=80=
=99s been a while since I worked on the zenith carbs. &nbsp;Good re learning=
 experience. &nbsp;Running much better now! &nbsp;Thanks for everyone=E2=80=99=
s advice.</div><div dir=3D"ltr">Jim Henningsen</div><div dir=3D"ltr"><br><bl=
ockquote type=3D"cite">On Nov 15, 2021, at 5:35 PM, Sujit Roy &lt;triumphsta=
[email-masked]&gt; wrote:<br><br></blockquote></div><blockquote type=3D"cite"><=
div dir=3D"ltr">=EF=BB=BF<div dir=3D"auto">3.5 turns on mine from end to end=
. Maybe yours has come off.</div><br><div class=3D"gmail_quote"><div dir=3D"=
ltr" class=3D"gmail_attr">On Mon, Nov 15, 2021, 2:33 PM Sujit Roy &lt;<a hre=
f=3D"mailto:[email-masked]">[email-masked]</a>&gt; wrote:<br><=
/div><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-lef=
t:1px #ccc solid;padding-left:1ex"><div dir=3D"auto">I'm my case on my Stag .=
 Same carbs. The star washer was missing so the needle didn't move up or dow=
n. Maybe ur star washer is not fully seated.</div><br><div class=3D"gmail_qu=
ote"><div dir=3D"ltr" class=3D"gmail_attr">On Mon, Nov 15, 2021, 11:57 AM He=
nningsen, James D. &lt;<a href=3D"mailto:[email-masked]" target=3D"_blank" r=
el=3D"noreferrer">[email-masked]</a>&gt; wrote:<br></div><blockquote class=3D=
"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-=
left:1ex">Ok, it=E2=80=99s been a while since I=E2=80=99ve adjusted the mixt=
ure on my ZS 175 CD-2 carbs on my TR6.&nbsp; I have the adjustable B1AF need=
les,&nbsp; removed damper from carb body, removed the fixing screw from the p=
iston damper side.&nbsp; I insert the special tool into the damper tube to t=
urn the needle assembly and it engages the hex socket hole.&nbsp; I can rota=
te left and right but it doesn=E2=80=99t move the height of the needle face o=
n the bottom of the damper no matter which way I turn.&nbsp; &nbsp; If I pul=
l the needle down from the damper to its lowest spring position and then tur=
n left or right, the needle seat height does move up and down.&nbsp; &nbsp;I=
 don=E2=80=99t recall having to hold the needle out to adjust mixture.&nbsp;=
 I also can=E2=80=99t easily find the fully lean or rich stop points easily.=
&nbsp; Ten turns seems a bit much.<br>
<br>
Any thoughts greatly appreciated.&nbsp; Trying to get my refreshed 6 back on=
 the road from a major engine drivetrain upgrade. Thanks I advance <br>
<br>
Jim Henningsen<br>
Ocala FL<br>
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