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what the heck is on my tank? (Read 198 times)
seviersavage
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what the heck is on my tank?
12/05/08 at 06:34:17
 
I purchased a kawasaki vn750 tank to mod to my savage, basically similar dimensions but nearly another gallon. And it comes with a fuel gauge. But looking at the tank there is a line coming off the back where the seat will but up to it. What the heck is that? It looks like it had a gas or vacume line attached to it. I plan on cutting it off and welding it closed but am I gonna get in trouble doing that?
Anybody tell me what that line is?
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Tincanman
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Re: what the heck is on my tank?
Reply #1 - 12/05/08 at 06:59:34
 
how about a pic of it so we know what were looking at??
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Demin
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Re: what the heck is on my tank?
Reply #2 - 12/05/08 at 08:00:57
 
It's probably a vent line.If you look right where your gas cap goes into the tank,is there a little hole there?If so that line goes up to there.If so it's an unvented gas cap.So your overflow doesn't hit the engine.
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verslagen1
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Re: what the heck is on my tank?
Reply #3 - 12/05/08 at 08:18:37
 
run some water thru it to see where it comes out.
as said most likely a vent line to some epa device.
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seviersavage
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Re: what the heck is on my tank?
Reply #4 - 12/05/08 at 08:22:00
 
So does anyone see any problems just closing it off if it is a vent line?
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Demin
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Re: what the heck is on my tank?
Reply #5 - 12/05/08 at 08:39:02
 
Yep,no vent,nonvented gas cap.Nowhere for vapors to escape,BOOM.Or if you're lucky the rubber seals in the petcock will fail,and just leak.
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seviersavage
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Re: what the heck is on my tank?
Reply #6 - 12/05/08 at 09:17:30
 
BOOM, don't like that so much. I believe I'll rethink this a little.

maybe that little vent lines not so bad after all, maybe I can turn it down sooner and run it somewhere to the ground? or maybe into a charcoal canister? Embarrassed
Seviersavage
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88pagan
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Re: what the heck is on my tank?
Reply #7 - 12/05/08 at 12:50:33
 
No pix yet?
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seviersavage
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Re: what the heck is on my tank?
Reply #8 - 12/06/08 at 07:49:59
 
Try to get a pic up tonight, at work right now.
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seviersavage
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Re: what the heck is on my tank?
Reply #9 - 12/06/08 at 15:51:00
 
O.K.
Here is a pic of the rear of the tank and the line coming off of it, On close examination I think I can circumvent Kawasaki's venting system and turn a non vented gas cap into a vented one. But if I don't have fitment conflicts I'll just leave it alone. Could I just run a line down the frame and leave it open or maybe cap it off with a  small aquarium charcoal filter?
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verslagen1
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Re: what the heck is on my tank?
Reply #10 - 12/06/08 at 16:03:58
 
How's it fit on the bike?
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Demin
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Re: what the heck is on my tank?
Reply #11 - 12/06/08 at 16:06:25
 
I would just run a line to the bottom of the bike,and call it done.It's just a vent.Our carbs just vent behind the battery box,and the cap just vents out.
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Next project:finish '87 Savage custom/bobber/CHOP STYLE***DONE
finish '77 Yamaha XS650 bobber Bought another one
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