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Tridentman
Tridentman
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I've been using this stuff, and I was happy with it,...before this. Weird, as I was quite sure it was impervious to the dreaded 10% Alky, but I guess not?? I like clear, anyone have a suggestion? Would like both in 1/4 and 5/16" ID.
Needless to say, my Ride for the 4th, didn't go as planned. I guess that's why you need more than one.

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I use Tygon tubing which is yellow in colour but see-thru so you can see the fuel, it seems to be impervious to ethanol in fuel and remains flexible for years.

Make sure you use one with the Tygon trademark as there are some fakes around.

Last edited by gunner; 07/06/21 6:28 am.

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Get some Tygon tubing. It will stay supple and flexible for years. I have the yellow Tygon pushed on to my fittings at present and they have been on there a couple of years, it’s impervious to just about everything that you can use it for on a bike. You can get clear Tygon also, I don’t know if the properties are any different to the yellow stuff but I know it’s fine with solvents and oils, so should be fine with fuels also. You can also get it in various thicknesses.

If your after a brand name, look up Saint Gobain


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68’ A65 Lightning “clubman”
71’ A65 823 Thunderbolt (now rebuilt)
67’ D10 sportsman (undergoing restoration)
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As Gunner has already mentioned
Tygon is the go
You can get it in a sort of smoky grey as well
But make sure it is branded and there is lots of "fuel line in popular yellow colour" around.
I see a lot of it on chainsaws where it crumbles away after a year or so regardless of whether it has seen any fuel or not.
Most mower shops will keep it by the roll & not cheap
And note that it comes in a couple of different wall thicknesses.


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1972 Triumph T120
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+1 for Tygon.
KC-- I got my last roll (clear) from McMaster Carr.
HTH

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Motion Pro sells Tygon fuel line in black, grey and clear. You can get it at a well stocked motocross oriented bike shop or on Amazon. For Amazon, here’s the 5/16 clear:

https://www.amazon.com/Motion-Pro-1...fuel+line&qid=1625590331&sr=8-11

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Thanks for the replies,…. I’m checking on the links. As a retired airplane mechanic, I’d be curious if the Air-Tech tubing was used with ethanol gas. I plan to call’em and ask. Will report any answer…….
I thought I had used Tygon tubing years ago, had trouble, and thats when I got Superthane from Don Harrell.
Anyhow, the consensus here is it works!


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i have used the airtech line in all my bikes for years with ethanol and non ethanol fuel


1972 Triumph T120
1968 BSA A65
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1939 farmall f30 tractor
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Originally Posted by Tridentman
+1 for Tygon.
KC-- I got my last roll (clear) from McMaster Carr.
HTH


Richard,

Is this what you ordered?

https://www.mcmaster.com/fuel-hose/material~pvc-plastic/color~clear/

Tygon - Versilon Fuel Line


Jon W.


1957 6T Thunderbird 650
1968 T100R Daytona 500
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1970 BSA A65F 650
1955 Tiger 100 - Project
1971 BSA A65 650 - Project
1972 Norton Commando 750 "Combat"


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Jon— away from home at the moment so can’t check it out definitively but— sure— that looks to be the stuff
HTH

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According to this chart Versilon has a mediocre resistance to petro distillates and is poor with ethyl alcohol...

Versilon


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My bias here is that my stuff gets ridden a fair amount and so while I try to keep standard as built bikes, I often substitute in more modern parts where necessary to make reliable riders.

On fuel line, I have started to use only the Motion Pro stuff. It lasts.

I have no way of knowing for sure, but this stuff is very much like that nearly perfect stuff that comes stock on carbureted Japanese motocross bikes. In fact I have a threesome of 2005-2006 Yamaha two strokes, with the original Japanese fuel lines still on them--and they are all still working fine after 15 years. I don't know how to buy that Japanese OEM stuff, but the Motion Pro seems pretty much the same.

Whatever it is, it is pretty good, and this stuff isn't going to turn yellow, harden and crack, ending your ride dangerously, only a year or two (month or two?) after you put it on.

I pretty much only use this Motion Pro stuff nowadays as the fuel lines age out on my bikes, in the grey version because that's what they have at the Yamaha shop near my house. It may not be pretty or "original", but I am a real believer in safe fuel lines these days. Probably like most folks on this site, I have had many Brit bikes with those familiar hardened yellow vinyl lines that eventually crack, and the straw that broke the camel's back was that I got sucked into using some light green tinted clear vinyl stuff on my 66 Ducati 250 Mk 3, that was supposedly what you used because it was "original." The stuff hardened off and started leaking very quick. Now it has very decidedly "non-original" grey Motion Pro lines on it--to me, it's just not worth the risk to use fuel line that isn't reliable.

Last edited by linker48x; 07/09/21 4:47 am.
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Have you noticed how people are now blaming ethanol in fuel for fuel line problems?
Nearly 50 years ago I was fighting with clear fuel lines that had set like concrete and cracked. Rubber fuel lines that shed rubber particles and blocked up carbs.
Tygon fuel hose is the dogs danglies

BTW DO NOT use Tygon fuel hose between brake cylinders and reservoir, brake fluid sweats through it


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Interestingly both Tygon and Versilon tubing are manufactured by St Gobain and you can see the full range in a PDF at This Link which also mentions the suitability for cleaning chemical dispensing, dairy, food & beverage, small engine etc. use.

The Versilon tube on the McMaster-Carr site is number: SE-200, which is apparently intended for food & beverage and other market use. For small engines Versilon C-210-A oil, fuel & grease resistant tube is recommended. That's not to say SE-200 won't work with gasoline but it doesn't seem to be recommended.

As for Tygon, the following are recommended for small engine use:-
Tygon® F-4040-A, High-Performance Fuel and Lubricant Tubing
Tygon® LP-1100, Designed for Gasoline Powered Ground Supported Equipment
Tygon® LP-1200, Clear, High-Performance Fuel Tubing for Small Engines
Tygon® LP-1500, Designed for Gasoline Powered Handheld Equipment
Tygon® LP-1600, Designed Specifically for Outboard Marine Applications


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What inside diameter would be needed for a 67 triumph?

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The F4040 is what I use


Now let’s all have a beer beerchug

68’ A65 Lightning “clubman”
71’ A65 823 Thunderbolt (now rebuilt)
67’ D10 sportsman (undergoing restoration)
68’ D14 trials (undergoing transformation)

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Originally Posted by Sam
What inside diameter would be needed for a 67 triumph?

1/4" ID for the fuel lines.


Jon W.


1957 6T Thunderbird 650
1968 T100R Daytona 500
1971 TR6R Tiger 650
1970 BSA A65F 650
1955 Tiger 100 - Project
1971 BSA A65 650 - Project
1972 Norton Commando 750 "Combat"


"Every time I listen to AC/DC, so do my neighbors"

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Thanks Jon

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Originally Posted by Sam
Thanks Jon


You are welcome, Sam.


Jon W.


1957 6T Thunderbird 650
1968 T100R Daytona 500
1971 TR6R Tiger 650
1970 BSA A65F 650
1955 Tiger 100 - Project
1971 BSA A65 650 - Project
1972 Norton Commando 750 "Combat"


"Every time I listen to AC/DC, so do my neighbors"


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