1800 Tank Vacuum Line Question - VTXOA
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post #1 of 19 (permalink) Old 05-02-2019, 09:53 PM Thread Starter
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1800 Tank Vacuum Line Question

Ok guys I'm an auto mechanic, whose never worked much on bikes. So here's my question :08 1800F3 - I installed a new tank liner & all the larger lines are clear. But the small 1/8" port for vacuum line that goes to nowhere (vent line I suspect) I can't blow or pull through it. So should I be able to?
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post #2 of 19 (permalink) Old 05-02-2019, 09:55 PM Thread Starter
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By the way it goes (as best I can tell using inspection mirror) to what looks like a square box inside the tank.
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post #3 of 19 (permalink) Old 05-02-2019, 11:20 PM
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Does it look like the tank has been sealed?
Some discussion about a sealed tank in the past year and a wire finally broke through the sealed vent tube.

https://www.vtxoa.com/forums/6-vtx-1...orcefully.html

2005 1300c Red, Mustang seat, HK 2.5 straights. Leds for safety-front & back. 190,260 VTX miles

Last edited by Hans&Feet; 05-03-2019 at 09:01 AM. Reason: Removed google search crap
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post #4 of 19 (permalink) Old 05-02-2019, 11:55 PM Thread Starter
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Oh yeah! I just did it with the KBS kit. Didn't think about blowing thru it while it was still wet. Wasn't sure tho if it had a check valve/diaphragm that only opened when a certain pressure is reached our it is just a straight pass-thru.
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post #5 of 19 (permalink) Old 05-03-2019, 08:46 AM
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A pass through I believe. Just a sheet metal deflector and a tube.
Two 90° bends. Landisil pic
https://www.vtxoa.com/forums/attachm...5&d=1296067108

Air required on tank vent when sealing. That should be a caution notice. You are not the first to have this issue.
A Tlynn picture of a 1st Gen 1800 tank, vent line and vent cover
Attached Images
File Type: jpg Tlynn 1st gen1800 fuel tankIMG_0915.jpg (93.7 KB, 22 views)

2005 1300c Red, Mustang seat, HK 2.5 straights. Leds for safety-front & back. 190,260 VTX miles

Last edited by Hans&Feet; 05-03-2019 at 09:24 AM. Reason: Added landisil and Tlynn tank photos
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post #6 of 19 (permalink) Old 05-03-2019, 12:31 PM Thread Starter
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Crap, crap, crap!!! Thanx dude I think I'm gonna try wire again. If no go then spray aircraft stripper thru the hose and hope & pray I stop it b4 it breaks completely thru.
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post #7 of 19 (permalink) Old 05-03-2019, 12:34 PM Thread Starter
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Dude u think if i put sand in tube & hit with comp air it would blast thru it?
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post #8 of 19 (permalink) Old 05-03-2019, 01:38 PM
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NO SAND...

MEK or something that dissolves it.

Someone else had this issue, second attempt succeeded with wire.

2005 1300c Red, Mustang seat, HK 2.5 straights. Leds for safety-front & back. 190,260 VTX miles
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post #9 of 19 (permalink) Old 05-03-2019, 04:08 PM Thread Starter
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Ok been running wire thru it. Seem to get the furthest with 100lb stainless hanging wire. Will spray some aircraft stripper in it and give it another shot. So air should go both ways? Service guy said only 1 way.
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post #10 of 19 (permalink) Old 05-03-2019, 04:09 PM Thread Starter
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Oh yeah that 1rst gen tank is way dif than mine.
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