fuel lines

  • lgj069
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fuel lines

14 Jun 2010 09:20
#375639
Good day, on a 1977 kz650, do the fuel lines need too be lower than the petcock valve? I under stand it is a gravity feed system. PEACE Larry

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  • 650ed
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Re: fuel lines

14 Jun 2010 09:35
#375641
They need to be lower than the lowest level of fuel in the fuel tank; so as long as they are under the tank you will be ok. Ed
1977 KZ650-C1 Original Owner - Stock (with additional invisible FIAMM horn)

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  • loudhvx
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Re: fuel lines

14 Jun 2010 10:13
#375645
Also, since we're on the subject, stay away from urethane and vinyl fuel lines, or any other see-through fuel lines. The urethane will only last a few months, and the vinyl will only last a few days.
1981 KZ550 D1 gpz.
Kz550 valve train warning.
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  • MFolks
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Re: fuel lines

14 Jun 2010 11:10
#375656
I understand the yellow "Tygon" fuel lines are the ones that resist the Alcohol/Gas mixes the best.
1982 GPZ1100 B2
General Dynamics/Convair 1983-1993
GLCM BGM-109 Tomahawk, AGM-129A Advanced Cruise Missile (ACM)

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  • lgj069
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Re: fuel lines

14 Jun 2010 12:22
#375677
thanx

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  • Oldwolf
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Re: fuel lines

14 Jun 2010 15:47
#375742
Second on the Tygon. Have had it on my Motor for 2+ years.
1977 KZ1000A1, 1105cc,Mikuni RS34mm FS, K&N Pods,Kerker 4/1,Dyna S Ign,Coils & Plug Wires,Progressive Sup. Front&Rear, Derale Oil Cooler.

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  • kz750saskatoon
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Re: fuel lines

15 Jun 2010 07:55
#375855
Where do you guys purchase this "Tygon" line from? I am assuming that is a brand name? I just recently put on the clear PVC stuff that Z1enterprises sells from MotionPro and didn't think it would be a problem. MotionPro claims it is safe to use with gasoline. This is the stuff: www.motionpro.com/motorcycle/partno/12-0002/

I guess I should have been using the "premium" fuel line they sell ( www.motionpro.com/motorcycle/partno/12-0044/ )?
1981 KZ750-H2
Saskatoon, SK

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  • JMKZHI
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Re: fuel lines

15 Jun 2010 08:40
#375861
Yes, Tygon is a brand. It used to be available at the Kaw dealer. I've got it on my bike. Exposure to fuel has stiffened it up some. A member here w a ton of miles gave it a big thumbs down, though. Someone mentioned a particular tubing material to get but I don't recall what type it is.

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  • harm
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Re: fuel lines

15 Jun 2010 09:43
#375864
I purchased my transparent "yellow" fuel line from Mcmaster-carr. 3 years ago and it still holding up fine. It must be the Tygon.
Tom
Holland, MI

1980 KZ550 ELR

2011 Concours14
2017 KX450 [/color]

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  • lgj069
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Re: fuel lines

15 Jun 2010 09:52
#375867
Had the Tygon on my Virago for about 3.5 years with no problems.

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  • lgj069
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Re: fuel lines

15 Jun 2010 09:54
#375868
Had Tygon on my Virago about 3.5 years with no problems. I found at a small hardware store in Akron, Ohio.

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  • Skyman
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Re: fuel lines

15 Jun 2010 10:05
#375871
loudhvx wrote:
Also, since we're on the subject, stay away from urethane and vinyl fuel lines, or any other see-through fuel lines. The urethane will only last a few months, and the vinyl will only last a few days.

Hmmm. I've been using the PVC line bought from Z1E for a couple years. No problems so far. The line has hardened a bit, but no leaks or anything.
West Linn, OR

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