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Offline coach

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Re: Gas tank fill bar in the way
« on: May 10, 2021, 09:58:58 PM »
Have a new 2021 Tiger 900 and it has the same annoying bar just inside the gas tank filler hole as my Tiger 800 XCx had.  I removed it from my T800 after a few tanks of gasoline but wonder if there is an important reason why that bar is there across the gas tank fill hole opening?  Maybe I shouldn't remove it this time.  Hmmmmm????  :084:
coach - 2021 Tiger 900 GT

2016 Tiger 800 XCx - 2012 R1200GS - 2007 1050 Tiger & 2010 1050 Tiger-SE then 2011 T800 "Roadie" (All sold) :161:
Plus over a dozen other bikes that I loose track of but my wife constantly reminds me of. :006:
North Conway, New Hampshire :300:

Offline chuckxc

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Re: Gas tank fill bar in the way
« Reply #1 on: May 10, 2021, 10:02:35 PM »
You run the risk of damaging the fuel level sensor, fuel pump etc. It's there for a good reason.
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Offline coach

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Re: Gas tank fill bar in the way
« Reply #2 on: May 10, 2021, 10:08:12 PM »
That's a good enough answer for me...not going to remove it this time.  Figured there was a good reason for it being there.  I must have been lucky as nothing bad happened on my T800 XCx without that bar in place over A LOT of fill ups.  :300:
coach - 2021 Tiger 900 GT

2016 Tiger 800 XCx - 2012 R1200GS - 2007 1050 Tiger & 2010 1050 Tiger-SE then 2011 T800 "Roadie" (All sold) :161:
Plus over a dozen other bikes that I loose track of but my wife constantly reminds me of. :006:
North Conway, New Hampshire :300:

Offline K1W1

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Re: Gas tank fill bar in the way
« Reply #3 on: May 10, 2021, 11:54:52 PM »
*Originally Posted by chuckxc [+]
You run the risk of damaging the fuel level sensor, fuel pump etc. It's there for a good reason.

I think it is a great fill indicator as well. I always fill my bike up to the level of the bar then I know how much fuel is in the tank regardless of what the sometimes vague gauge says. Reset trip two to zero and happily ride off knowing there is 300km+ worth of fuel in the tank.

Offline Matchbox

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Re: Gas tank fill bar in the way
« Reply #4 on: May 11, 2021, 01:34:33 PM »
Its there to leave a bit of free space. Fuel is often cold when it is stored in underground tanks. The space allows for a bit of expansion as the fuel warms. Important if you fill up just before putting bike away. If you are about to cover more miles then fill to the brim and get going...

Offline hawkbox

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Re: Gas tank fill bar in the way
« Reply #5 on: May 11, 2021, 06:32:29 PM »
Mine fell in the tank on my 800 within a couple months of getting it.  I just was careful to never stuff the nozzle all the way in.

Offline chuckxc

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Re: Re: Gas tank fill bar in the way
« Reply #6 on: May 11, 2021, 10:14:56 PM »
*Originally Posted by hawkbox [+]
Mine fell in the tank on my 800 within a couple months of getting it.  I just was careful to never stuff the nozzle all the way in.
The earlier versions had plastic inserts which could fall into the tank if pushed too hard. Happened on my 2012. Later models now have welded bars. Prevents the nozzle from going in too far to do damage to the internal components. (Not intended as a fill level.)
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Offline K1W1

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Re: Re: Gas tank fill bar in the way
« Reply #7 on: May 11, 2021, 11:42:27 PM »
*Originally Posted by chuckxc [+]
(Not intended as a fill level.)

Using it as a fill level indicator is a good secondary purpose though.

BTW. Re the fuel expansion with temperature mentioned above.

Fuel capacities are measured at 60F (15.5C) so at that temp one US gallon equals 3.7 lites
If the temperature of the fuel rises to 75F (23C) the volume will increase to 3.82 litres. Realistically unless a motorcycle with a full tank is parked in direct strong sunlight for a period the temp of the fuel in the tank is not going top rise enough to cause any issues and fuel tanks have an overflow vent anyway.

Offline tauzero

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Re: Re: Gas tank fill bar in the way
« Reply #8 on: May 13, 2021, 12:03:22 AM »
*Originally Posted by K1W1 [+]
Fuel capacities are measured at 60F (15.5C) so at that temp one US gallon equals 3.7 lites
If the temperature of the fuel rises to 75F (23C) the volume will increase to 3.82 litres. Realistically unless a motorcycle with a full tank is parked in direct strong sunlight for a period the temp of the fuel in the tank is not going top rise enough to cause any issues and fuel tanks have an overflow vent anyway.

The T3 series (Trident 900, Daytona 900, Trophy 900/1200 etc) had a vent in the tank cap which whistled when the temperature got warm enough and the pressure built up. One year, Triumph were generous and did some cut-price offer for RAT members to go to the British MotoGP at Donington, where there was a special area reserved for Triumphs. It was a nice warm sunny day, and it wasn't long before there was a massed chorus of a few hundred whistling Triumphs.
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Gone but not forgotten: Scrambler 900, Tiger 1050, Bonneville SE, Sprint ST 955i, Trophy 4, Sprint 900, Daytona 900, Tiger 900, Trident 900

Offline Derchef1962

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Re: Gas tank fill bar in the way
« Reply #9 on: May 13, 2021, 01:49:29 PM »
*Originally Posted by K1W1 [+]
I think it is a great fill indicator as well. I always fill my bike up to the level of the bar then I know how much fuel is in the tank regardless of what the sometimes vague gauge says. Reset trip two to zero and happily ride off knowing there is 300km+ worth of fuel in the tank.

that's what I do, only Trip 1 is resetted as fuel meter and Trip 2 is for lubing the chain. I am using a dry lube silicone spray, I need to apply it more often than standard lube so I keep track of it with the trip meter, same on my Bobber
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