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rocker59
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Luaps Girl
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Ncdan
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Tygon anyone?
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Topic: Tygon anyone? (Read 1950 times)
drlapo
Gaggle Hero
Posts: 1017
Tygon anyone?
«
on:
May 18, 2016, 07:56:12 AM »
Last year the urethane fuel lines on my BMW began to deteriorate. I purchased many feet of ethanol resistant fuel line in many colors from an eBay shop.
I installed the new line on the BMW and an old Triumph.
The blue line looks good on the BMW and the red suits the triumph.
Yesterday the triumph developed a fuel leak about20 miles from home.
The fuel balance pipe between the carbs had split. It was a piece of urethane tube.
I made a temporary repair using the reserve side fuel line. That line is less than a year old and is hard and stiff.
My new ethanol proof colorful fuel line is crap.
I installed black fuel line from dayco that is clearly marked as fuel line.
The question is: if I want to use a smaller od line is tygon tubing suitable?
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RayB
Gaggle Hero
Posts: 1072
Location: NW Indiana-The arm pit of the Nation
Re: Tygon anyone?
«
Reply #1 on:
May 18, 2016, 08:09:39 AM »
I wouldn't use Tygon. I'd use quarter inch fuel injection hose from NAPA or such. It will fit ok under the breather box for the balance line too.
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01 EV
82 BMW R100
drlapo
Gaggle Hero
Posts: 1017
Re: Tygon anyone?
«
Reply #2 on:
May 18, 2016, 08:17:54 AM »
Agreed, I'm using nitrile line now
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Antietam Classic Cycle
Gaggle Hero
Posts: 14667
Happily stuck in the past.
Location: Rohrersville, Maryland
Re: Tygon anyone?
«
Reply #3 on:
May 18, 2016, 08:37:43 AM »
I use Tygon hose from McMaster-Carr almost exclusively on all non-fuel injected bikes. I do not use it on BMW Airheads where the crossover goes through the engine/airbox casing though.
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Charlie
mtiberio
Gaggle Hero
Posts: 4218
Re: Tygon anyone?
«
Reply #4 on:
May 18, 2016, 08:44:22 AM »
the tygon from mcmaster carr needs to be the F4040 designation for fuel I believe. certainly regular surgical hose is NFG. Look for the fuel designation if using tygon.
I use it. gets hard and discolors over the years, but never hard enough to split or make it impossible to pull off (and put back on).
http://www.mcmaster.com/#tygon-f-4040-a-tubing/=12gprm1
«
Last Edit: May 18, 2016, 08:45:00 AM by mtiberio
»
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bigbikerrick
Gaggle Hero
Posts: 6008
73 Eldo, 98 V 11 ,12 Ural Gear Up, 76 Convert,
Location: Southeastern corner of Arizona, right next to "Old Mexico, and New Mexico"
Re: Tygon anyone?
«
Reply #5 on:
May 18, 2016, 03:00:26 PM »
I have been using the same yellow Tygon hose from McMaster Carr Charlie, and Mike recommend. Its good stuff, and easy to work with. I dont need to use any clamps with the Guzzi fittings.
Rick.
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