fuel lines

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14 Jun 2010 09:20 #375639 by lgj069
fuel lines was created by lgj069
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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14 Jun 2010 09:35 #375641 by 650ed
Replied by 650ed on topic fuel lines
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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14 Jun 2010 10:13 #375645 by loudhvx
Replied by loudhvx on topic fuel lines
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.
Other links.

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14 Jun 2010 11:10 #375656 by MFolks
Replied by MFolks on topic fuel lines
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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14 Jun 2010 12:22 #375677 by lgj069
Replied by lgj069 on topic fuel lines
thanx

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14 Jun 2010 15:47 #375742 by Oldwolf
Replied by Oldwolf on topic fuel lines
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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15 Jun 2010 07:55 #375855 by kz750saskatoon
Replied by kz750saskatoon on topic fuel lines
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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15 Jun 2010 08:40 #375861 by JMKZHI
Replied by JMKZHI on topic fuel lines
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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15 Jun 2010 09:43 #375864 by harm
Replied by harm on topic fuel lines
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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15 Jun 2010 09:52 #375867 by lgj069
Replied by lgj069 on topic fuel lines
Had the Tygon on my Virago for about 3.5 years with no problems.

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15 Jun 2010 09:54 #375868 by lgj069
Replied by lgj069 on topic fuel lines
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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  • 1978 KZ1000-B2 LTD 1982 KZ1000-M2 CSR
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15 Jun 2010 10:05 #375871 by Skyman
Replied by Skyman on topic fuel lines
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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