Missing gas tank hose!? - Kawasaki KLR 650 Forum
1987 to 2007 Wrenching & Mods For maintaining, repair or modifications of Generation 1 KLR's. 2007 and earlier.

 
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post #1 of 6 Old 06-02-2018, 04:17 PM Thread Starter
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Missing gas tank hose!?

Hey was just reaching out for some advice. Was removing my tank to change the spark plug today after not being able to get it started at all yesterday. Found I might be missing a tank hose, the rear one. Do I need this hose to run right? And if so where the **** did it go!?!? Just bought the bike super cheap a month ago. Help me!
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post #2 of 6 Old 06-02-2018, 05:47 PM
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It's a vacuum operated petcock. The rear hose is a vacuum hose that goes to the manifold fitting between the carb body and the cylinder. No vacuum hose, no fuel delivery. I think it is 4mm vacuum hose.

Here's a picture of the carb fitting. Gen 2 have two ports, one for the AIS and one for the petcock, while Gen 1 only have the one port for the petcock.


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post #3 of 6 Old 06-02-2018, 06:01 PM Thread Starter
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Thanks for the response, put everything back together and it started up for me with new spark plug. Still trying to figure out where that hose went, for another day...
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post #4 of 6 Old 06-02-2018, 06:54 PM
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Doh! Scratch my response, I didn't see your picture. That's the vent for the tank. All it needs is a bit of hose to drop from that fitting down about a foot or so.

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“Neither of the two people in the room paid any attention to the way I came in, although only one of them was dead.” -Philip Marlowe

“'Why' and 'How' are words so important they cannot be too often used.” -Napoleon Bonaparte


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post #5 of 6 Old 06-02-2018, 06:57 PM Thread Starter
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Thanks again, will try and pick up a piece of hose to run off of there asap what size hose?
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post #6 of 6 Old 06-02-2018, 07:45 PM
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Originally Posted by ChizmoNC View Post
Thanks again, will try and pick up a piece of hose to run off of there asap what size hose?
It is a 5mm hose. 1/4" should work fine. The tube at the back of the tank is connected through a line in the tank to the drain in the gas cap recess to run spilled gas out the back. The KLR doesn't need it to run.

Look at part #702 here: https://www.kawasakipartsnation.com/...a016/fuel-tank

You can use this parts fiche to get all sorts of information. Just put your year model in place of my 2011.
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