Plastic 7,5l tank vs omero tank vs even smaller tank

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J

Jeroen

Joined
Nov 9, 2008
Messages
14
Location
Belgium
Hi all,

I'm a Belgian supermoto rider and I recently bought a FS650E form 2007.. It's my first berg so I hope I don't have to believe all those horror stories..

Right now I still use my 10,5l tank but that's way too much between my legs as I used to race 450's.. Is it only me or are they really that big?

Now.. I've done a little search and from what I understand the plastic 7,5l tank is much narrower than a 10,5l tank, but not even close as narrow as an omero tank.. Right?
I found a pic on the net of a berg with an even smaller tank.. Do you guys know what the fuel capacity is, where they are (if) available and if they feel as narrow or even more narrow than an omero?

Thanks in advance,
Jerre
 

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that'll probably be an omero tank. the radiator becomes the widest part so you only need it in SO far.

the actual size of the tank is 9 litres for the std tank and that only came down recently to 7.5.

regards

Taffy
 
Jeroen said:
Right now I still use my 10,5l tank but that's way too much between my legs as I used to race 450's.. Is it only me or are they really that big?
Click to expand...
It feels(almost)like a Dakar bike with the 10,5 liter tank mounted.It looks like a 5l tank from Omeromoto on your picture.I have the 7,2l(which actually holds about 6,8)on my 550 and it´s a big difference compared to the stock tank.
 
Jeroen said:
Hi all,

I'm a Belgian supermoto rider and I recently bought a FS650E form 2007.. It's my first berg so I hope I don't have to believe all those horror stories..

Right now I still use my 10,5l tank but that's way too much between my legs as I used to race 450's.. Is it only me or are they really that big?

Now.. I've done a little search and from what I understand the plastic 7,5l tank is much narrower than a 10,5l tank, but not even close as narrow as an omero tank.. Right?
I found a pic on the net of a berg with an even smaller tank.. Do you guys know what the fuel capacity is, where they are (if) available and if they feel as narrow or even more narrow than an omero?

Thanks in advance,
Jerre
Click to expand...
I run the omero tanks on all 3 of my bikes ( the one in your picture ) which dont hold much maybe less than 7L i think, weve added sections to one of mine wherever we could below and in the radiator gap and increased it to a bit over 9.5 and i use it for rallys and long rides in conjunction with the 3l sub tank. the omero feel like a 125 tank between your legs and side by side the plastic 7.5 Husaberg tank is wider. i can measure them for you if you want and get some photos of the modified one it looks great. adding more capacity to the alloy tank is easy if you have some alloy and someone to weld it.
Flush the fuel out first or it might get a bit out of shape and turn into a rocket along with the guy welding it.
The alloy tanks fit the bike ok but not the shrouds that well you will need a heat gun to reshape your shrouds, a knife to cut away some excess plastic, 2 cupped washers i use the ones from the berg front chainslider to mount the shroud, they offer a second threaded hole at top but i dont use it and you need a small holesaw to drill your shrouds to get access to front mounts. You will also need a bolt for the threaded hole to hold your seat down at the front, i machine up and run a thread on the broken ones from the KTM 50 or 65 sx tank after a parent has overtightened it and broken it.
i can supply photos
ORANGEBERG
 
RE: Re: Plastic 7,5l tank vs omero tank vs even smaller tank

Thank you guys, that's the info I needed.. I really like the 5l tanks, but that might be a little small.. Does somebody have experience with this tank?

There still one thing I don't get.. Taffy said: the radiator becomes the widest part so you only need it in SO far.
He's right and my big 9l tank seems to be not wider than the radiator.. So how can other tanks feel slimmer?

Cheers Jerre
 
Re: RE: Re: Plastic 7,5l tank vs omero tank vs even smaller

Jeroen said:
He's right and my big 9l tank seems to be not wider than the radiator.. So how can other tanks feel slimmer?
Click to expand...
Because a lot of the riding time your legs(knees)will be positioned behind the radiator where the alloy tank is much slimmer than stock.
 
Re: RE: Re: Plastic 7,5l tank vs omero tank vs even smaller

Fourstrokeforce said:
Jeroen said:
He's right and my big 9l tank seems to be not wider than the radiator.. So how can other tanks feel slimmer?
Click to expand...
Because a lot of the riding time your legs(knees)will be positioned behind the radiator where the alloy tank is much slimmer than stock.
Click to expand...
Correct ive got rub marks from my knees on mine well back from the radiator on the narrow part of the tank, im about 5.8''. after using the alloy tank you would not ride with anything else but they are pricey and take a bit of time to fit. i had trouble getting the 7.5 plastic tank here in Australia i tried to order some but got the 10L instead as 7.5 the were only factory fitted as standard equipment on the Fe650 08 down here, i managed to swap a couple off new bikes as they wanted a Clarke 17l tank for long distance.
The pis are of my modified 9.5 l
ORANGEBERG
 

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i went through the same thing a while back.i compared the 7.5l plastic tank to my 9.5l std plastic tank & the difference is minimal.
whoever designed that 7.5l plastic tank needs to be flogged with a gum stick,its a complete waste.everyone knows the bergs are too fat around the knees/inner thighs area & they still failed to address that.
between the legs the 7.5l (which measures 6.7l actual)plastic tank is not any thinner than the 9.5l std tank.
they took the extra fuel volume out of the front of the tank,there is just more gap between tank & radiator.the feel is the same.
get the omero 5.5l or 7.5l alloy tank,there is no comparision.i also run the under seat fuel cell (3.0l in volume)with the omero 7.5l alloy tank (with is acually 7.2l) which takes it to 10.2l total.
i'm about 6ft tall & my knees only come within 3-4 inches behind the radiator,they sit pretty much in that lower hole in the plastic shroud,so unless you are over 7ft tall the radiator isn't a issue.
these pics don't really show justice of the alloy tank, but is better than nothing.
after riding wal's fe550 with the std tank i couldn't believe(or remember) how big they really were with the std set up.the difference is big.
if you are use to riding a tt600 or an xr600 the std plastic one will feel ok,but if you are use to riding a jap 450,the std berg tank will feel like a monster.
here are pictures of all three std 9.2l/6.7l plastic & 7.2l alloy
..weed..
fueltank0165095ltankwhichisacually9.jpg

fueltankPn800070133000865075lwhichi.jpg

fueltank75loem2.jpg

fueltank75loem1.jpg



fueltank75lomerowhichisactually72l.jpg

fueltank105lplasticv70lalloy.jpg
 
popup said:
i went through the same thing a while back.i compared the 7.5l plastic tank to my 9.5l std plastic tank & the difference is minimal.
whoever designed that 7.5l plastic tank needs to be flogged with a gum stick,its a complete waste.everyone knows the bergs are too fat around the knees/inner thighs area & they still failed to address that.
between the legs the 7.5l (which measures 6.7l actual)plastic tank is not any thinner than the 9.5l std tank.
they took the extra fuel volume out of the front of the tank,there is just more gap between tank & radiator.the feel is the same.
get the omero 5.5l or 7.5l alloy tank,there is no comparision.i also run the under seat fuel cell (3.0l in volume)with the omero 7.5l alloy tank (with is acually 7.2l) which takes it to 10.2l total.
i'm about 6ft tall & my knees only come within 3-4 inches behind the radiator,they sit pretty much in that lower hole in the plastic shroud,so unless you are over 7ft tall the radiator isn't a issue.
these pics don't really show justice of the alloy tank, but is better than nothing.
after riding wal's fe550 with the std tank i couldn't believe(or remember) how big they really were with the std set up.the difference is big.
if you are use to riding a tt600 or an xr600 the std plastic one will feel ok,but if you are use to riding a jap 450,the std berg tank will feel like a monster.
here are pictures of all three std 9.2l/6.7l plastic & 7.2l alloy
..weed..
fueltank0165095ltankwhichisacually9.jpg

fueltankPn800070133000865075lwhichi.jpg

fueltank75loem2.jpg

fueltank75loem1.jpg



fueltank75lomerowhichisactually72l.jpg

fueltank105lplasticv70lalloy.jpg
Click to expand...
i think your pictures have sold the story well, unless your blind or been drinking to much rum with Wal.
ORANGEBERG
 
Thank you very much.. The pictures make it clear indeed!
I'm defenitly going to order an alloy tank, just not sure which one..
I really like the 5,5l and I guess it's ok for racing but maybe it's too small when I'm out on the streets..
Anyone knows their range??

Cheers,
Jerre
 
I can do +-120 kms with my standard 9.5 liter tank (on a 450). So the 5.5l will be +- 60 kms with your 650. I think it 'll be way to small. From were in Belgium are you actually? And also member of supermotard.be.
 
i don't really know the 5.5l alloy tank would be an advantage over the 7.2l alloy tank,just take a look at the picture below,still the same height at the fuel cap,sides would be the same shape,so the feel would be the same,they just cut more off the front & bottom of the tank.
i'm a bit anal when it comes to getting weight down low,so my opinion would be,if you had 5.5l in the 5.5l alloy tank & 5.5l in the 7.2l alloy tank,the 7.2l alloy tank would feel lighter,cause the fuel storage starts lower,level with the fuel tap,not higher up as in the 5.5l alloy tank.
what john done with his 7.2l alloy tank in his 1st pic is probably worth doing,see how he has welded extra volume in it on the righ hand side,the extra volume is in the bottom of the tank all level with the fuel tap.
for what its worth,i think the under seat fuel cell is a great idea,i don't even know its there,centalizes the weight more(like they have done with the new generation bergs) helps for easier turning.
the down side is of course they are fairly expensive.
when i go & have a play on dirt track,i don't even run any fuel in the alloy tank at all,its just there for show,just 3.0 l in the under seat fuel cell is all i need.
here is another couple of pics i had in my berg folder.
..weed..
fueltankalloyfrontandrear01to08.jpg

fueltankalloy2frontandrear01to08.jpg

fueltankunderseat2.jpg
 
popup said:
i don't really know the 5.5l alloy tank would be an advantage over the 7.2l alloy tank,just take a look at the picture below,still the same height at the fuel cap,sides would be the same shape,so the feel would be the same,they just cut more off the front & bottom of the tank.
i'm a bit anal when it comes to getting weight down low,so my opinion would be,if you had 5.5l in the 5.5l alloy tank & 5.5l in the 7.2l alloy tank,the 7.2l alloy tank would feel lighter,cause the fuel storage starts lower,level with the fuel tap,not higher up as in the 5.5l alloy tank.
what john done with his 7.2l alloy tank in his 1st pic is probably worth doing,see how he has welded extra volume in it on the righ hand side,the extra volume is in the bottom of the tank all level with the fuel tap.
for what its worth,i think the under seat fuel cell is a great idea,i don't even know its there,centalizes the weight more(like they have done with the new generation bergs) helps for easier turning.
the down side is of course they are fairly expensive.
when i go & have a play on dirt track,i don't even run any fuel in the alloy tank at all,its just there for show,just 3.0 l in the under seat fuel cell is all i need.
here is another couple of pics i had in my berg folder.
..weed..
fueltankalloyfrontandrear01to08.jpg

fueltankalloy2frontandrear01to08.jpg

fueltankunderseat2.jpg
Click to expand...
how do you get them bigger pictures to dowload onto the site as i have a guy wanting better pics of my 9.5, By the way your fuels a bit dear P/L or has Rum been tapped into the bowser.
Orange JOHN
 
i'm just going through photobucket john,i think it was the 2nd biggest upload in pixels.
yeah fuel prices are all over the place,they went up as high as $1.75 a litre.now it is $1.27,a couple of weeks ago it was down to $1.07,crazy stuff.
lucky rum's cheap(where i come from).i'll have to convert the berg over to that, if the price goes through the roof.
you should be able to go through the omero web site to find those pics & prices of that frame.it's bloody expensive.
by the way, i'm not pissed all the time,just easily misled in the right company.
cheers..weed..
 
sorry for posting in a stone age thread, but the biggest 11L tank wich the 07 mod has is reatricting my turn radius. does the 7,5 L go clear of the forks when you turn the steer completely over ?
 

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