Fuel Line quick question

Fuel Line quick question 09 Mar 2006 21:27 #29754

newbikekiller Topic Author Offline User Posts: 189 Thank you received: 0	What size fuel line is a stock 1983 KZ650 CSR supposed to have? The current set up is a real mess, and I can't determine how to determine TUBE,7.5X12.5X225 from buykawasaki.com's parts diagrams. I want to get the stuff that I don't have to clamp on, any suggestions?
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Fuel Line quick question 09 Mar 2006 21:32 #29756

Sandy Offline User Fly High,Tony Posts: 2452 Thank you received: 13	Not a definate answer,but it's usually 1/4 inch or 5/16 for the fuel lines.Don't quote Me,but I've noticed that one SOME bikes,if there's only 1 line going to the carbs,it's more than likely 5/16...2 lines might be the smaller size line(1/4). I'm guessing 1/4 I.D. for Your bike... 1977 KZ1000 A-1
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Fuel Line quick question 09 Mar 2006 22:02 #29766

newbikekiller Topic Author Offline User Posts: 189 Thank you received: 0	Thanks for the response, Sandy There is only one line going to my carbs I can always just grab a length of both if no one else has any suggestions. I don't have the bike on hand but need the line for some riding tom. So if anybody knows exactly it might just save my day!
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Fuel Line quick question 09 Mar 2006 22:07 #29769

GargantuChet Offline User Posts: 296 Thank you received: 1	Just bought some for my '78 650, which was 5/16" line. I really don't think that 1/4" would have fit the connector between the carbs, as the 5/16" took a little wiggling.
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Fuel Line quick question 09 Mar 2006 22:11 #29770

newbikekiller Topic Author Offline User Posts: 189 Thank you received: 0	A little wiggling is what I want! Thanks and goodnight!
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Fuel Line quick question 09 Mar 2006 22:15 #29771

Sandy
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Fly High,Tony
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Thank you received: 13

Only 1 line?...oh...well then I would THINK that it's going to be 5/16".
You COULD always(like You said)...take a piece with You,but cut off the end where it's been flared out from the fitting,to get an acurate measurement.

Well...DUHH...I just reread Your post and grabbed My digital calipers...opened them up to 7.5mm(I.D.of the fuel line)and measured that opening...LOL...it is 5/16 I.D. :lol:

1977 KZ1000 A-1

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Fuel Line quick question 09 Mar 2006 22:28 #29774

newbikekiller Topic Author Offline User Posts: 189 Thank you received: 0	Great I have two votes for 5/16" from top tier KZ dogs so thats more than enough for me.
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Fuel Line quick question 10 Mar 2006 03:52 #29791

KevZ Offline User Posts: 48 Thank you received: 0	Killer, The specs you listed for the fuel line are: I.D., O.D., length. They are all listed in metric sizes. 7.5 mm Inside Diameter (nominal 5/15"), 12.5 Outside Diameter (nominal 1/2"), 225 (8 7/8").
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Fuel Line quick question 10 Mar 2006 05:11 #29805

wiredgeorge Offline User Posts: 5310 Thank you received: 44	7.5mm ID line is 5/16". 1/4" line WILL fit on the fuel inlet barb; just a tighter fit. I use 1/4" on my test bikes because I don't use clamps but would use 5/16" on a bike I was riding and wanted to put clamps on. wiredgeorge Motorcycle Carburetors Mico TX www.wgcarbs.com Too many bikes to list!
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Fuel Line quick question 10 Mar 2006 09:59 #29870

KevZ Offline User Posts: 48 Thank you received: 0	Fat-fingered the keyboard with the 5/15". Thanks, WG!
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Fuel Line quick question 10 Mar 2006 17:52 #29974

tnt79z28
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newbikekiller wrote:

What size fuel line is a stock 1983 KZ650 CSR supposed to have?

The current set up is a real mess, and I can't determine how to determine TUBE,7.5X12.5X225 from buykawasaki.com's parts diagrams.

I want to get the stuff that I don't have to clamp on, any suggestions?

Hello to all
To covert Millimeters to Inches :
multiply the mm x .03937 Example 7.5mm = .29527 Inches.
12.5mm = .492125 Inches 225mm = 8.85825 Inches
Hope this helps... Don (tnt79z28)

ps, here's a link to a conversion table that gives just about any formula you would ever want and some you could care less about :-)

carrlane.com/TrigBook/TrigBook6.cfm

Post edited by: tnt79z28, at: 2006/03/10 21:07