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Re: Pin gauges for needle jets. [Re: John Healy] #561504
09/03/14 11:10 am
09/03/14 11:10 am
Joined: Nov 2006
Posts: 234
USA, WA state
R
russrudolph Offline
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R
Joined: Nov 2006
Posts: 234
USA, WA state
I looked on amazon to purchase a plus zz.106 and a minus zz.106.

Did not find anything. Do you have part number to order?

Thanks

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Re: Pin gauges for needle jets. [Re: desco] #561508
09/03/14 11:44 am
09/03/14 11:44 am
Joined: May 2010
Posts: 2,561
Illinois, USA
TR6Ray Online content

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TR6Ray  Online Content

BritBike Forum member
Joined: May 2010
Posts: 2,561
Illinois, USA
McMaster-Carr has pin gages:

23055A002 Class Z Individual Plug Gauge, .1055" Size, Go Gauge

23055A002 Class Z Individual Plug Gauge, .1065" Size, Go Gauge


These cost US $3.10 each in July, 2013. However, by the time the gov't. got a bit of tax and the shipper got paid, the total came to $15.68

Being .0005 under and .0005 over, these probably are not quite as close in range as JH recommended. The .1065 was loose in my old main jet, but was no-go in the new one from Burlen. The .1055 was a nice slip-fit in the new Burlen jet. My mileage went from about 36mpg to about 55+ mpg. The black soot went away from my plugs. Although it didn't seem too bad before, the bike ran better immediatley, with a noticeable difference.

Ray


'64 TR6R Plus some Twins from other countries (U.S., Germany, Japan)
Re: Pin gauges for needle jets. [Re: desco] #561521
09/03/14 12:27 pm
09/03/14 12:27 pm
Joined: Sep 2007
Posts: 1,575
El Dorado, California
Roadwarrior Online content

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Roadwarrior  Online Content

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Joined: Sep 2007
Posts: 1,575
El Dorado, California
I got them yesterday from Amazon. .1055, .106 and .1065. Just did a search on the website for plug gauge.

Last edited by Roadwarrior; 09/03/14 12:27 pm.

Bob


73 Triumph T140 Main Ride
70 Bonnie
67 BSA West Coast Hornet

56 Chevy

Who are the brain police?



Re: Pin gauges for needle jets. [Re: desco] #563423
09/15/14 7:37 pm
09/15/14 7:37 pm
Joined: Nov 2008
Posts: 2,712
Bishop, Calif.
D
desco Online content OP
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desco  Online Content OP
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Joined: Nov 2008
Posts: 2,712
Bishop, Calif.
So, here I sit with my new go/no go pin gauges and my new .105 jets and needles.
Needles are all 2.670" long as measured with my third hand, old digital caliper.
Jets are .801"long.
My .1048 go gauge slides easily into all four as does my .10509 no go, but I do feel it hanging up a bit. I've paired up the jets as to "feel"
My concern is that none of the jets have the chamfer at the hole on the threaded end. Better none have the chamfer than some????
Jets came in a sealed AMAL package.
Now to put them in to the jet holder, when it cools down a bit in the garage, and measure again.
No more mindlessly throwing things together.
Did a rough mileage check on the 72, no working speedo on either bike, and came up with 41/42 MPG.
Sounds about right, the 68 gets less. Can't wait to try another check with new parts.
My mistake. With glasses and a magnifying glass I can detect a slight chamfer at the hole. So all is well..

Last edited by desco; 09/15/14 8:56 pm.

1968 T120R
1972 T120RV
Any advice given is without a warranty expressed or implied.
Re: Pin gauges for needle jets. [Re: desco] #563459
09/16/14 1:43 am
09/16/14 1:43 am
Joined: Nov 2012
Posts: 237
Sacramento, CA
Denis J Offline

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Denis J  Offline

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Joined: Nov 2012
Posts: 237
Sacramento, CA
If your still looking
http://www.racingplanetusa.com/nozzle-gauge-carburetor-main-check-045150-p-260-1.html#.VBfNxmK9KK0

I bought the gauges and the ream set. Sorted about 2 dozen carbs now. Can't live without em.


The formula for how many motorcycles to own is:
n+1=y
n = the number of motorcycles you currently own.
Re: Pin gauges for needle jets. [Re: desco] #563460
09/16/14 1:47 am
09/16/14 1:47 am
Joined: Nov 2012
Posts: 237
Sacramento, CA
Denis J Offline

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Denis J  Offline

BritBike Forum member
Joined: Nov 2012
Posts: 237
Sacramento, CA
By the way

I have Dyno proof showing there is no difference in stoic and power if you do not have a chamfered hole in your jets. Don't let anyone sway you otherwise. Theory and real life are not the same on this issue. (I've see more than one heated argument on this one)


The formula for how many motorcycles to own is:
n+1=y
n = the number of motorcycles you currently own.
Re: Pin gauges for needle jets. [Re: desco] #563485
09/16/14 9:10 am
09/16/14 9:10 am
Joined: Mar 2005
Posts: 10,022
Boston, Massachusetts
J
John Healy Online content

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John Healy  Online Content

BritBike Forum member
J
Joined: Mar 2005
Posts: 10,022
Boston, Massachusetts
Vermont Gage makes the required gages for measuring the jets in plus/minus sizes in nominal inch jet sizes ie. .105", .106, .107, etc. No need to settle for .1055", .1065", etc sizes.

Travers Tools, although not listed on their web page, will get plus/minus nominal size .105", .106", etc from Vermont Gage.

The part number for a .106" minus is 58-101-060. For a plus it would be 58-201-060.
A .107 minus would be 58-101-070. For a plus it would be 58-201-070. I am afraid the shipping would probably be as much as the gages. Or you can order them through one of our dealers.

You will need a plus and a minus plug gage. Example minus .1058" - plus .1062" to check a .106" jet.

A .1065" gage is too big to check a .106" jet, especially if it is a plus. That isn't to say that it wouldn't be handy if you choose to ream out a .106" jet to .1065".

ZZ class plug gages will do the job nicely. No need to get Class X gages with their minus .00000" - plus .00004" accuracy.


Re: Pin gauges for needle jets. [Re: desco] #564789
09/24/14 5:05 pm
09/24/14 5:05 pm
Joined: Aug 2011
Posts: 89
Northern California
J
jmccandless Online content
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jmccandless  Online Content
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J
Joined: Aug 2011
Posts: 89
Northern California
Awesome thread, gives me more stuff to fiddle with!

I can't find any vendors here that have the gauges, has anyone sourced these from a Britbike vendor/source?? (T100R w/ 106 needle jets)

Re: Pin gauges for needle jets. [Re: desco] #564794
09/24/14 5:33 pm
09/24/14 5:33 pm
Joined: Mar 2005
Posts: 10,022
Boston, Massachusetts
J
John Healy Online content

BritBike Forum member
John Healy  Online Content

BritBike Forum member
J
Joined: Mar 2005
Posts: 10,022
Boston, Massachusetts
try Fair Spares America @ 805-534-9248


Re: Pin gauges for needle jets. [Re: John Healy] #564802
09/24/14 6:21 pm
09/24/14 6:21 pm
Joined: Nov 2008
Posts: 2,712
Bishop, Calif.
D
desco Online content OP
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desco  Online Content OP
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D
Joined: Nov 2008
Posts: 2,712
Bishop, Calif.
http://www.mscdirect.com/

And very fast service.


1968 T120R
1972 T120RV
Any advice given is without a warranty expressed or implied.
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