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I realize the original question was about a TR6 but since broad statements
may be interpreted as applying to all ZS 175s - I'll add that the
aforementioned screws on original TR4 carbs that I have seen were slotted
Fillister Head screws.
Geo
On Wed, Oct 3, 2018 at 1:04 AM Jack McGahey <McGaheyRx@aol.com> wrote:
> The screws holding the top cover on the carb are M5 0.8 - I measure 12.4
> mm long - M5 0.8 x 12 would work. Having said that, I would (have and wil=
l)
> order the correct ones. A generic replacement will probably have a Philli=
ps
> head and will be harder to get out, without damaging the screw head,
> than Pozidrive on the correct screws.
> The correct screws are unthreaded at the very top where the lock washer
> sits - they come with the lock washer in place and that lock washer does
> not easily come off.
> The fitted washer and the pozidrive head are big advantages IMHO. I=E2=80=
=99ll
> always buy the correct ones.
>
> Cheers,
> Jack Mc
>
> Sent from my iPad
>
> On Oct 1, 2018, at 1:25 PM, Creig Houghtaling <creig555@live.com> wrote:
>
> David,
>
> See if a #10 or #8 machine thread works. It is one of these, but I don't
> remember which. I always buy new bolts and lock washers from the hardwar=
e
> store for carb top covers. You can buy stainless. And it doesn't cost a=
s
> much.
>
> My friend had metric size bolts holding his carb tops on his TR8. I
> suspect that was because a previous owner put them in because they were
> close in size and he just forced them in because they were into aluminum.
>
> What are you referring to for damper 0-rings? If you are referring to th=
e
> tiny one at the bottom of the dashpot that holds the dashpot oil around t=
he
> metering needle, then yes that is a standard size o-ring that you can buy=
.
> The o-ring around the fuel reservoir plug is standard and can be bought t=
oo.
>
> Creig
> ------------------------------
> *From:* Triumphs <triumphs-bounces@autox.team.net> on behalf of
> davgil@aol.com <davgil@aol.com>
> *Sent:* Monday, October 1, 2018 8:44 AM
> *To:* triumphs@autox.team.net
> *Subject:* [TR] ZS 175 carbs
>
> I worked on the carbs on my 1976 TR6 this weekend, one of the needle
> adjustments screws moved and I was able to lean the carb I needed for som=
e
> improvement. A couple of questions, does anyone know the specs on the
> screws holding the top cover to the body of the carb? Someone (not me -
> honest) buggered them up and I had to cut a slot on one to back it out. =
I
> would like to just replace them all. Moss has them at $1.89 apiece but
> that seems a bit much. I had a couple of screws in my loose screw bin th=
at
> looked correct but did not seem to fully thread into the carb body and I
> didn't want to force them and ruin the threads. Also, if the damper
> o-rings are a standard size that I can pick up at a local FLAPS instead o=
f
> ordering them, i would appreciate knowing the specs on those as well.
> Thanks
> David Gill
> 1976 TR6
>
> ** triumphs@autox.team.net **
>
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<div dir=3D"ltr">I realize the original question was about a TR6 but since =
broad statements may be interpreted as applying to all ZS 175s -=C2=A0 I=
9;ll add that the aforementioned screws on original TR4 carbs that I have s=
een were slotted Fillister Head screws.<div><br></div><div>Geo</div></div><=
br><div class=3D"gmail_quote"><div dir=3D"ltr">On Wed, Oct 3, 2018 at 1:04 =
AM Jack McGahey <<a href=3D"mailto:McGaheyRx@aol.com";>McGaheyRx@aol.com<=
/a>> wrote:<br></div><blockquote class=3D"gmail_quote" style=3D"margin:0=
0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir=3D"auto">Th=
e screws holding the top cover on the carb are M5 0.8 - I measure 12.4 mm l=
ong - M5 0.8 x 12 would work. Having said that, I would (have and will) ord=
er the correct ones. A generic replacement will probably have a Phillips he=
ad and will be harder to get =C2=A0 =C2=A0 out, without damaging the screw =
head, than Pozidrive on the correct screws.=C2=A0<div>The correct screws ar=
e unthreaded at the very top where the lock washer sits - they come with th=
e lock washer in place and that lock washer does not easily come off.</div>=
<div>The fitted washer and the pozidrive head are big advantages IMHO. I=E2=
=80=99ll always buy the correct ones.</div><div><br></div><div>Cheers,</div=
><div>Jack Mc<br><br><div id=3D"m_-5078625105429044490AppleMailSignature">S=
ent from my iPad</div><div><br>On Oct 1, 2018, at 1:25 PM, Creig Houghtalin=
g <<a href=3D"mailto:creig555@live.com"; target=3D"_blank">creig555@live.=
com</a>> wrote:<br><br></div><blockquote type=3D"cite"><div>
<div style=3D"color:rgb(0,0,0);font-family:Calibri,Helvetica,sans-serif;fon=
t-size:12pt">
David,</div>
<div style=3D"color:rgb(0,0,0);font-family:Calibri,Helvetica,sans-serif;fon=
t-size:12pt">
<br>
</div>
<div style=3D"color:rgb(0,0,0);font-family:Calibri,Helvetica,sans-serif;fon=
t-size:12pt">
See if a #10 or #8 machine thread works.=C2=A0 It is one of these, but I do=
n't remember which.=C2=A0 I always buy new bolts and lock washers from =
the hardware store for carb top covers.=C2=A0 You can buy stainless.=C2=A0 =
And it doesn't cost as much.</div>
<div style=3D"color:rgb(0,0,0);font-family:Calibri,Helvetica,sans-serif;fon=
t-size:12pt">
<br>
</div>
<div style=3D"color:rgb(0,0,0);font-family:Calibri,Helvetica,sans-serif;fon=
t-size:12pt">
My friend had metric size bolts holding his carb tops on his TR8.=C2=A0 I s=
uspect that was because a previous owner put them in because they were clos=
e in size and he just forced them in because they were into aluminum.</div>
<div style=3D"color:rgb(0,0,0);font-family:Calibri,Helvetica,sans-serif;fon=
t-size:12pt">
<br>
</div>
<div style=3D"color:rgb(0,0,0);font-family:Calibri,Helvetica,sans-serif;fon=
t-size:12pt">
What are you referring to for damper 0-rings?=C2=A0 If you are referring to=
the tiny one at the bottom of the dashpot that holds the dashpot oil aroun=
d the metering needle, then yes that is a standard size o-ring that you can=
buy.=C2=A0 The o-ring around the fuel reservoir
plug is standard and can be bought too.</div>
<div style=3D"color:rgb(0,0,0);font-family:Calibri,Helvetica,sans-serif;fon=
t-size:12pt">
<br>
</div>
<div style=3D"color:rgb(0,0,0);font-family:Calibri,Helvetica,sans-serif;fon=
t-size:12pt">
Creig</div>
<div style=3D"color:rgb(0,0,0);font-family:Calibri,Helvetica,sans-serif;fon=
t-size:12pt">
</div>
<hr style=3D"display:inline-block;width:98%">
<div id=3D"m_-5078625105429044490divRplyFwdMsg" dir=3D"ltr"><font color=3D"=
#000000" face=3D"Calibri, sans-serif" style=3D"font-size:11pt"><b>From:</b>=
Triumphs <<a href=3D"mailto:triumphs-bounces@autox.team.net"; target=3D"=
_blank">triumphs-bounces@autox.team.net</a>> on behalf of <a href=3D"mai=
lto:davgil@aol.com" target=3D"_blank">davgil@aol.com</a> <<a href=3D"mai=
lto:davgil@aol.com" target=3D"_blank">davgil@aol.com</a>><br>
<b>Sent:</b> Monday, October 1, 2018 8:44 AM<br>
<b>To:</b> <a href=3D"mailto:triumphs@autox.team.net"; target=3D"_blank">tri=
umphs@autox.team.net</a><br>
<b>Subject:</b> [TR] ZS 175 carbs</font>
<div>=C2=A0</div>
</div>
<div><font color=3D"black" face=3D"arial" size=3D"2">
<div><font size=3D"2">I worked on the carbs on my 1976 TR6 this weekend, on=
e of the needle adjustments screws moved and I was able to lean the carb I =
needed for some improvement.=C2=A0 A couple of questions, does anyone know =
the specs on the screws holding the top
cover to the body of the carb?=C2=A0 Someone (not me - honest) buggered th=
em up and I had to cut a slot on one to back it out.=C2=A0 I would like to =
just replace them all.=C2=A0 Moss has them at $1.89 apiece but that seems a=
bit much.=C2=A0 I had a couple of screws in my loose
screw bin that looked correct but did not seem to fully thread into the ca=
rb body and I didn't want to force them and ruin the threads.=C2=A0 Als=
o, if the damper o-rings are a standard size that I can pick up at a local =
FLAPS instead of ordering them, i would appreciate
knowing the specs on those as well.=C2=A0 <br>
</font></div>
<div><font size=3D"2">Thanks</font></div>
<div><font size=3D"2">David Gill</font></div>
<div><font size=3D"2">1976 TR6</font><br>
</div>
</font></div>
</div></blockquote><blockquote type=3D"cite"><div><span>** <a href=3D"mailt=
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