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Re: Fuel hose, clear plastic or black rubber
[Re: SidSnot]
#761285
01/02/19 8:29 pm
01/02/19 8:29 pm
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Joined: Sep 2004
Posts: 959 Farnham, Surrey, UK
gunner
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Joined: Sep 2004
Posts: 959
Farnham, Surrey, UK
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Unless you are really keen with originality, I would use Tygon fuel hose, which despite being a translucent yellow colour, appears to remain flexible for years, doesn't turn brown and become brittle.
1968 A65 Firebird 1967 B44 Shooting Star 1972 Norton Commando
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Re: Fuel hose, clear plastic or black rubber
[Re: SidSnot]
#761290
01/02/19 9:01 pm
01/02/19 9:01 pm
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Joined: Aug 2015
Posts: 1,329 Bolton Lancs UK
Andy Higham
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Posts: 1,329
Bolton Lancs UK
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Both black rubber and clear plastic are unsuitable for fuel hose long term. The petrol rots the rubber which then blocks the carb. Petrol hardens plastic hose causing leaks at the fittings. The black synthetic rubber used on Japanese bikes lasts well as does the yellowish Tygon hose
BSA B31 500 "Stargazer" Greeves 200 "Blue Meanie" Greeves 350 Greeves 360 Suzuki GSX1100 EFE "Sorcerers Apprentice" GM500 sprint/LSR bike "Deofol" Jawa 500 "Llareggub" Aprilia RSV Mille "Lo Stregone" '35 & '36 OK Supreme Kawasaki ZZR1400 "Kuro no senshi"
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Re: Fuel hose, clear plastic or black rubber
[Re: SidSnot]
#761304
01/02/19 10:42 pm
01/02/19 10:42 pm
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Joined: Aug 2001
Posts: 4,349 argyll. scotland, uk
gavin eisler
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Joined: Aug 2001
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argyll. scotland, uk
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Fuel lines last about 5 years tops for me, thats the black rubber stuff, it starts to crack on bends eventually. Especially where UV gets it. Never tried the dayglo stuff. Sounds great. Havent used clear stuff for years , it gets too brittle.
Last edited by gavin eisler; 01/02/19 10:45 pm.
71 Devimead A65 750 56 Norbsa 68 Longstroke A65 Cagiva Raptor 650 MZ TS 250 The poster formerly known as Pod
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Re: Fuel hose, clear plastic or black rubber
[Re: SidSnot]
#761314
01/02/19 11:35 pm
01/02/19 11:35 pm
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Joined: Mar 2006
Posts: 3,829 gastonia nc
raf940
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Posts: 3,829
gastonia nc
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I use clear thickwalled polyurethane made for ultralight aircraft stays flexible for a very long time https://www.air-techinc.com/maingroups.php?pmid=12
1972 Triumph T120 1968 BSA A65 1968 MGB Roadster 1979 Chevrolet Camaro Berlinetta 1969 Honda Mini Trail 1939 farmall f30 tractor 2004 Honda Shadow Aero 1972 BSA Thunderbolt 1975 yamaha xs650b 1972 Norton commando 2 olive drab WWII military bicycle replicas
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Re: Fuel hose, clear plastic or black rubber
[Re: SidSnot]
#761317
01/03/19 12:47 am
01/03/19 12:47 am
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Joined: Oct 2007
Posts: 1,368 Nanaimo, B.C. Canada
Wilfred
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Nanaimo, B.C. Canada
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What's the consensus on black fuel line when you don't have to buy ethanal fuel? In these parts, we have more than one choice of non ethanal including Chevron 94 and haven't had a problem yet.
Cheers, Wilf
"It's about the ride..."
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Re: Fuel hose, clear plastic or black rubber
[Re: SidSnot]
#761323
01/03/19 1:35 am
01/03/19 1:35 am
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Joined: Aug 2001
Posts: 4,650 Owego, NY, USA
Mark Z
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Owego, NY, USA
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I've been using plain ol' double-walled automotive fuel hose for around 40 years, and I've never noticed any swarf in the float bowls (and I run Mikunis, which have no inlet screens).
But, I change hose frequently, I'd say every 1-2 years. At $.35 per foot at the auto supply store, why not?
BTW, if you don't like the writing on the hose, a little acetone or alcohol will take it off.
Mark Z
'65(lower)/'66(upper, wheels, front end, controls)/'67(seat, exhaust, fuel tank, headlamp)/'70(frame) A65 Bitsa.
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Re: Fuel hose, clear plastic or black rubber
[Re: SidSnot]
#761502
01/04/19 6:19 pm
01/04/19 6:19 pm
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Joined: Feb 2007
Posts: 2,286 Atlanta, GA USA
Semper Gumby
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Atlanta, GA USA
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+1 clear. You can SEE it tickling (or not).
Secretly Mediocre....
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Re: Fuel hose, clear plastic or black rubber
[Re: SidSnot]
#761550
01/05/19 12:36 am
01/05/19 12:36 am
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Joined: Jan 2014
Posts: 4,340 Aus
NickL
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BritBike Forum member
Joined: Jan 2014
Posts: 4,340
Aus
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Whatever i have at the time of building..................prefer clear with a couple of turns of lock wire.
No-one expects the Spanish Inquisition................ Bring in the 'Comfy Chair'
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Re: Fuel hose, clear plastic or black rubber
[Re: SidSnot]
#761587
01/05/19 4:31 am
01/05/19 4:31 am
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Joined: Aug 2001
Posts: 4,650 Owego, NY, USA
Mark Z
BritBike Forum member
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BritBike Forum member
Joined: Aug 2001
Posts: 4,650
Owego, NY, USA
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Josh, where would one acquire Tygon hose? And, what is an ROV?
Mark Z
'65(lower)/'66(upper, wheels, front end, controls)/'67(seat, exhaust, fuel tank, headlamp)/'70(frame) A65 Bitsa.
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Re: Fuel hose, clear plastic or black rubber
[Re: SidSnot]
#761596
01/05/19 6:18 am
01/05/19 6:18 am
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Joined: Aug 2001
Posts: 4,349 argyll. scotland, uk
gavin eisler
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BritBike Forum member
Joined: Aug 2001
Posts: 4,349
argyll. scotland, uk
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Remote Operated Vehicle" used to get oil, cheaper than divers.
71 Devimead A65 750 56 Norbsa 68 Longstroke A65 Cagiva Raptor 650 MZ TS 250 The poster formerly known as Pod
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Re: Fuel hose, clear plastic or black rubber
[Re: SidSnot]
#761607
01/05/19 10:34 am
01/05/19 10:34 am
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Joined: Sep 2004
Posts: 959 Farnham, Surrey, UK
gunner
BritBike Forum member
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BritBike Forum member
Joined: Sep 2004
Posts: 959
Farnham, Surrey, UK
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You can buy Tygon tubing on eBay, Amazon etc. There are various formulations around but the one you want is the yellow petrol resistant type, should be marked F4040A, see . This Link from the manufacturers website. Watch out for fake Chinese copies.
1968 A65 Firebird 1967 B44 Shooting Star 1972 Norton Commando
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Re: Fuel hose, clear plastic or black rubber
[Re: Wilfred]
#761718
01/06/19 6:26 am
01/06/19 6:26 am
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Joined: May 2004
Posts: 3,943 Sydney Australia
BSA_WM20
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Joined: May 2004
Posts: 3,943
Sydney Australia
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What's the consensus on black fuel line when you don't have to buy ethanal fuel? In these parts, we have more than one choice of non ethanal including Chevron 94 and haven't had a problem yet.
Cheers, Wilf UV light attacks everything and causes them to degrade, people included. Keep your bike out of the sun & the fuel line will remain soft for a very long time. Heat also does the same thing So never ride your bike and the black rubber fuel lines will remain soft for a very long time. There are many different grades of black rubber fuel line. The best is a double layer one with butyl ( petrol proof ) rubber inner sleeve and a neoprene ( oil resistant ) rubber outer sleeve. These come fiberglass reinforced, steel reinforced , stainless steel reinforced & I have just seen some kevlar reinforced ones. The strongest are the fuel injected hoses. As such a lot of fuel line can crack on the outside & not leak. Then there are single wall rubber fuel lines, the best are Bunya-n rubber but the down side of them is when they start to crack on the outside the crack will go all the way through. While it is a PIA to replace them, only properly spiral wound, full soft copper fuel lines are permanent so everything else should be considered a service replacement part. Tygon, made by St Gomain in the USA is the yellow coloured fuel line. They also make a clear , a grey & a blue fuel line. The tygon is a single wall tube so when it starts to crack it must be replaced. Tygon s very expensive & as already mentioned will have the manufacturers code as a continious line for the full length of the tube. I fix lawnmowers & get a lot of spam selling unbranded fuel line in the "Popular yellow colour" Most of this is gelatin based plastic and will dissinergrate while you are riding. A lot of cheap Chinese chain saws come fitted with it as standard and they all fall apart within a year or so. many stories about exploding shainsaws & line trimmers from this line leaking and then the tool bursting into flames. Genuine Tygon is expensive. If it is not expensive then it is not Tygon Some BSA's came fitted with plain old PVC which will also work, but goes hard in a few years thus requiring regular replacement. It is your bike so you decide what you want to fit, just remember no matter what you use it WILL HAVE TO BE REPLACED at some regular interval. The cheaper the tubing the more often you will need to replace it.
Bike Beesa Trevor
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Re: Fuel hose, clear plastic or black rubber
[Re: SidSnot]
#761719
01/06/19 11:25 am
01/06/19 11:25 am
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Joined: Aug 2001
Posts: 7,743 scotland
triton thrasher
BritBike Forum member
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BritBike Forum member
Joined: Aug 2001
Posts: 7,743
scotland
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I recommend against copper fuel line. It breaks.
I have good success with black rubber hose sold as car fuel injection hose.
Amateur Loctite enthusiast.
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Re: Fuel hose, clear plastic or black rubber
[Re: SidSnot]
#761741
01/06/19 3:57 pm
01/06/19 3:57 pm
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Joined: Aug 2001
Posts: 7,743 scotland
triton thrasher
BritBike Forum member
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BritBike Forum member
Joined: Aug 2001
Posts: 7,743
scotland
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I wouldn’t be at all surprised if coiling the pipe helps. I doubt that it helps enough. ![[Linked Image]](https://www.bing.com/th?id=OIP.ln5e-17ygSDiXDyG4YmiYAHaFj&pid=1.1.jpg)
Amateur Loctite enthusiast.
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Re: Fuel hose, clear plastic or black rubber
[Re: SidSnot]
#761849
01/07/19 8:59 pm
01/07/19 8:59 pm
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Joined: Aug 2015
Posts: 1,329 Bolton Lancs UK
Andy Higham
BritBike Forum member
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BritBike Forum member
Joined: Aug 2015
Posts: 1,329
Bolton Lancs UK
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The so called copper brake pipes are not copper but copper/nickle alloy. Stamping on the brake pedal can produce brake line pressures of over 2000psi, copper would not stand a chance
BSA B31 500 "Stargazer" Greeves 200 "Blue Meanie" Greeves 350 Greeves 360 Suzuki GSX1100 EFE "Sorcerers Apprentice" GM500 sprint/LSR bike "Deofol" Jawa 500 "Llareggub" Aprilia RSV Mille "Lo Stregone" '35 & '36 OK Supreme Kawasaki ZZR1400 "Kuro no senshi"
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