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MarkT Exhaust
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Author Topic: removing fuel tank on IS  (Read 983 times)
NighthawkVTX
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Posts: 221


Gainesville, Fl


« on: March 15, 2016, 02:00:37 PM »

I was thinking of taking off my fuel tank in order to do a quick look over and run some wires. How big of a deal is it? When the tank is ready to come off, do I have to drain it first? Even then, will there be a lot of spillage when the tank comes off?
Thinking also of putting a K&N air filter on when I have it off
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Chrisj CMA
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Crestview (Panhandle) Florida


« Reply #1 on: March 15, 2016, 02:16:58 PM »

I was thinking of taking off my fuel tank in order to do a quick look over and run some wires. How big of a deal is it? When the tank is ready to come off, do I have to drain it first? Even then, will there be a lot of spillage when the tank comes off?
Thinking also of putting a K&N air filter on when I have it off


Simple deal

No

No
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The emperor has no clothes
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Posts: 29945


« Reply #2 on: March 15, 2016, 02:38:59 PM »

I just try to run it low when I'm going to pull the tank.
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BradValk48237
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Oak Park, MI


« Reply #3 on: March 15, 2016, 02:53:31 PM »

+1 on running low as it is a heavy sum bitch full.... and it takes a little finagling to clear the petcock as you lift it off... so the lighter the better....

B
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crash1980
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Posts: 41


« Reply #4 on: March 15, 2016, 02:57:49 PM »

I have a standard, not an interstate, but from what I understand it's the same other than the size of the tank.  2 easy bolts, a fuel, vacuum and vent line to remove.  If it has the stock fuel line they are easy to get off.  I've replaced my fuel line with a 5/16 rubber.  It is quite a tight fit so I use a screwdriver to pull it lose, if I had to do over, I would have used a 3/8 hose and a good clamp on it.  

A previous comment recommended running the bike low on fuel, this will cut down on A LOT of weight of moving the tank, which will in turn make it easier to handle and less likely to bump something and damage any paint.  

Not a hard job at all.
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gordonv
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VRCC # 31419

Richmond BC


« Reply #5 on: March 15, 2016, 05:49:09 PM »

Before removing the tank, make sure you have somewhere to put it. You don't want it falling and getting damaged. I believe someone posted recently that that actually happened to them.

What would you rather lift, a 1 gal container, or a 6 gal container? You'll have the answer to your question on the fuel in the tank.
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1999 Black with custom paint IS

Chrisj CMA
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Crestview (Panhandle) Florida


« Reply #6 on: March 15, 2016, 06:14:39 PM »

I have a standard, not an interstate, but from what I understand it's the same other than the size of the tank.  2 easy bolts, a fuel, vacuum and vent line to remove.  If it has the stock fuel line they are easy to get off.  I've replaced my fuel line with a 5/16 rubber.  It is quite a tight fit so I use a screwdriver to pull it lose, if I had to do over, I would have used a 3/8 hose and a good clamp on it.  

A previous comment recommended running the bike low on fuel, this will cut down on A LOT of weight of moving the tank, which will in turn make it easier to handle and less likely to bump something and damage any paint.  

Not a hard job at all.

Yes, mostly the same but the IS has the wire to disconnect from the sending unit for the fuel gauge
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longrider
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Vernon, B.C. Canada


« Reply #7 on: March 15, 2016, 06:22:13 PM »

In order
Remove seat,  turn fuel valve to off position, loosen Phillips screw in selector knob, pull back slightly on knob to clear the valve, remove fuel line from fuel valve, remove vent line and vacuum line.  Remove both bolts holding tank. Lift rear of fuel tank gently a bit and hold in position,  remove fuel gauge connector.  Lift tank straight up and you're done.  Now is the time to check the operation if the vacuum petcock to be sure it is working properly.

Warren
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Ramie
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2001 I/S St. Michael MN


« Reply #8 on: March 16, 2016, 06:15:45 AM »

Once the shutoff knob is lose and pulled back out of the way and the bolts are out I take a small piece of 2x4 and set it on edge under the tank on the seat side then I can get at the fuel line and vacuum lines and then the plug for the fuel sensor.  You will want to make sure your bars are straight before you try pulling the tank.
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Steel cowboy
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Moving ahead so life won’t pass me by.

Spring Hill, Fl.


« Reply #9 on: March 16, 2016, 10:11:59 AM »

 One more thing to try when you have the tank off. And that is turn your petcock on there should not be any fuel flowing because of the vacumm is missing. If it flows out or dribbles out you should rebuild it.
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Steve K (IA)
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Posts: 1662

Cedar Rapids, Iowa


« Reply #10 on: March 16, 2016, 04:45:16 PM »

One more thing to try when you have the tank off. And that is turn your petcock on there should not be any fuel flowing because of the vacumm is missing. If it flows out or dribbles out you should rebuild it.

Do not forget the petcock valves Off position.  As was suggested, turn petcock off before removing the dial selector.  I have used a file on mine to make a mark on one for the 4 sides of the "stem" coming out of the petcock.  I filed a mark on the top side so if that is oriented correctly, when installing put the selector dial to Off and your good.  A few guys in the past got this orientation misaligned and couldn't figure out why they ran out of gas before hitting reserve.  
Just a little heads up.  If you already know this....never mind.    Wink

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