New fuel line...

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I needed to replace the fuel line and was not happy with the fit and green color of 1/4" Tygon hose.
The local NAPA auto parts now carries this GATES 1/4" fuel injection hose 225 psi rated Greenshield Technology hose.
It fits securely on the 1/4" Amal carbs plastic fuel barbs and the petcock fittings without need for clamps.
Interesting that it is marked Multi-fuel and Bio-fuel compatible.
It also has a nice braided texture. The old style clear tubing with braids is no longer carried.
I hope it works long term.
New fuel line...
 
The line is just posed there for the photo of course.
I'm impressed that some plastics have survived for so many years such as the Amal fuel barbs, while some fuel line material got rock hard and cracked.
I used truck air brake line for the rocker feed and oil pressure gauge line back in the 1980s and it is still flexible today.
The stock Norton rocker feed line got hard and brittle.

My three barn recovery bikes that sat unused for 22 years now all run nicely on original Amal carbs. I'm using no-ethanol gas in the fiberglass tank.
 
I bought this line:

http://www.ebay.com/itm/Triumph-Fuel-Li ... 80?vxp=mtr

So far I've just had it on an old KZ750. It's been over two months and there's NO change. It's still just the right amount of flex v stiff, gripped the fittings well, and is still perfectly clear.

The seller actually delivered it! He suggested using pinch type band clamps and I'll use some SS type when I change the Norton this winter.
 
Same experience with 1/4" ID Tygon...loose fit. Switched to 7/32" ID and much better. I like being able to see the gas flowing.
 
That fuel injection line has a nice blue liner inside. When I first saw it I though wow, I am going to use that next time. Well, after ditching that stupid clear line that turns rock hard in a year, I put regular 1/4 inch fuel line on with no clamps. It has been on there for years now and never a problem. I like the look of the black line over clear anyway. Not with hose clamps and an in line filter though.
 
Fitted some over 7 years ago that was supplied from a local motor factors here in the UK - still as good as the day fitted, not original but does the job. Fed up[ buying tat from the autojumbles that lasted a year if that.
 
I have been using a clear silicone type hose as well. Its been on there 3 years now and is still fairly pliable. I may change it out in the spring. Cheap clear hose turns hard really quick.
 
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