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Big Gas Tanks?

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I have an 09 X, and love it! But, I need more distance. I am looking at the 4.1 gallon acerbic. Found a great price on one but it says for years 05 - 07?  I thought the Xs were pretty much all the same. Does anyone know if this tank will fit my 09??  And is the 6 gallon tank a bike killer? I heard it is just too much weight and is the tipping point of where the bike is fun??  Thanks

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The IMS 3.2 gal tank is more popular & actually used by JCR, Does not make it the best tank but seems to be a better choice over the Acerbis

 

I am running the IMS 3.2 Gal "fuel" tank (We dont use gas here in Australia, Gas goes in our gas bottles for our BBQ's LOL!) & it is easy to fit & works great
Perfect size too, I think any bigger would make it just a bit too heavy feeling to ride fast through tight stuff or getting the bike airborn

 

The bigger tanks would certainly reduce the fun, Fine for long distance desert or slower adventure bike style riding but it would certainly lose the ability to ride more aggressive

Edited by CRF450XINOZ
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That part number (2140800147) comes up as a 4.75 fuel tank?
https://www.google.com.au/search?q=2140800147&ie=utf-8&oe=utf-8&aq=t&rls=org.mozilla:en-US:official&client=firefox-beta&channel=rcs&gfe_rd=cr&ei=xK9mU9noG8WN8QeX_4HgAQ

This would be the one you are looking for (4.1 gal)>
2140800004
 

Funny thing is Acerbis does not even list a 4.75 tank on their site???

http://www.acerbis.com/ricerca.php

 

The 4.1 also only mentions 05-07 so who knows???
http://www.acerbis.com/accessories.php?id_categoria=1&idp=435&ids=32&id_categoria=

A local fellow has one of the Acerbis tanks on his CRF450X with the shrouds as part of the tank & it has a crack in it, Not sure if he dropped the bike but either way I would not buy a tank that has the shrouds as part of the tank, Too easily damaged

http://www.thumpertalk.com/topic/1000077-acerbis-gas-tank-2140800147-41-or-475-gallons/#!Iq5KH

Should not be such a painful task to buy a tank, Just go with the IMS
(I meant to write 3.2 gal in my previous comment, Edited)

Fits all years too
http://www.imsproducts.com/Products/index.cfm?ManufacturerSet=Honda&maD=true&ModelSet=CRF450X&modD=true&yeD=true&siD=true&TypeSet=Fuel%20Tank&SeriesSet=&sed=true&tyd=true&YearsSet=05-14&SizeSet=3.2%20gal

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Awesome thanks for that. I think the IMS might be the way to go. Acerbis was luring with the price at $185. But if It is fragile, I can't have it. My bike falls over often:)

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That part number (2140800147) comes up as a 4.75 fuel tank?

https://www.google.com.au/search?q=2140800147&ie=utf-8&oe=utf-8&aq=t&rls=org.mozilla:en-US:official&client=firefox-beta&channel=rcs&gfe_rd=cr&ei=xK9mU9noG8WN8QeX_4HgAQ

This would be the one you are looking for (4.1 gal)>

2140800004

 

Funny thing is Acerbis does not even list a 4.75 tank on their site???

http://www.acerbis.com/ricerca.php

 

The 4.1 also only mentions 05-07 so who knows???

http://www.acerbis.com/accessories.php?id_categoria=1&idp=435&ids=32&id_categoria=

A local fellow has one of the Acerbis tanks on his CRF450X with the shrouds as part of the tank & it has a crack in it, Not sure if he dropped the bike but either way I would not buy a tank that has the shrouds as part of the tank, Too easily damaged

http://www.thumpertalk.com/topic/1000077-acerbis-gas-tank-2140800147-41-or-475-gallons/#!Iq5KH

Should not be such a painful task to buy a tank, Just go with the IMS

(I meant to write 3.2 gal in my previous comment, Edited)

Fits all years too

http://www.imsproducts.com/Products/index.cfm?ManufacturerSet=Honda&maD=true&ModelSet=CRF450X&modD=true&yeD=true&siD=true&TypeSet=Fuel%20Tank&SeriesSet=&sed=true&tyd=true&YearsSet=05-14&SizeSet=3.2%20gal

They are 4.1 gallons...

The PN 2140800004 that you listed is the same tank, but in RED.

I wouldn't run the tank with wings either...the only time it's ever used here is during prerunning where pitting isn't available. They are much more fragile than the 3.2 IMS.

The IMS are the only ones we use.

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I have the ims 4.0, it's in a number of posts here with pictures. I have ridden this bike as it should be ridden, and it has taken some spills, the tank is solid. I would recommend it highly. When my friends are sweating it with the 3.2, I'm smiling... at least a little bit, depending on the situation. Easily 120 range, no matter what. I've seen 183, into reserve, but did not run out, included single track, fast dirt, and maybe 10 street.

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I have both the Acerbis 4.2 and the IMS 3.  The Acerbis is a WAY higher quality part than the IMS hands down.  Also, the Acerbis isn't harder to ride for me than the IMS, nor does it feel very wide at the knees.  I'm running the IMS again because I wanted to run shrouds for a while, but I'll put the Acerbis back on later this year for some long distance stuff.  If it's range your after, the Acerbis is the way to go in my opinion.  I think if the tank is the only thing slowing you down, then you're a way better rider than me... The tank is the least of my worries usually. 

 

That's my .02

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FWIW I run the 5.8 gal Acerbis on my XR650L and when it's full, it's hefty. I'm inclined to put my 4.0 gal back on.

 

RZ Rob

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I too use the 3.2 gallon IMS tank (you can see it in my profile picture). I love it. Majority of it fits between the frame and you still use the stock tank shrouds so it looks good too. I can easily get 100 miles out of it between fill ups, as long as I'm not full throttle riding. 

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Thanks, but does anyone know if the 05-07 acerbis fits an 09?

Looks like you never did get an answer to this.

 

The 05-07 tank will fit, but your plastics will not AFAIK. Your rad shrouds won't bolt up. I just got the IMS tank, and it looks like a good solid tank. Comes highly recommended. Can't wait to install it, still freakin' snowing here!

 

The Acerbis 4.1G tank limits access to the top of the engine, and the 6G tank is just ugly IMHO.

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Looks like you never did get an answer to this.

 

The 05-07 tank will fit, but your plastics will not AFAIK. Your rad shrouds won't bolt up.

 

There are no shrouds on the 4.1 gallon tank...they are preformed...

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There are no shrouds on the 4.1 gallon tank...they are preformed...

Very true...and in addition, most aftermarket radiator guards won't fit under the "wings" of the tank.  I know neither my old scorpion guards or my current Mohard guards fit.  What I did was run the front of the Mohard guards but not the side plates... so you still have some frontal protection from debris. On the Acerbis tank, the "wings" are very thick plastic, so it's take a pretty good getoff to mash a radiator through them, and at that point you'd have holes in the tank I'm guessing.

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There are no shrouds on the 4.1 gallon tank...they are preformed...

Indeed it does, my mistake. Thanks for correcting.

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on a bit of a side track, what are most people seeing mileage wise with the 3.2?

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on a bit of a side track, what are most people seeing mileage wise with the 3.2?

I can get 100 miles without turning on the reserve. I did that while only averaging 35 mph on the trails and wasn't overly nice to it. Still got on the throttle plenty of times.

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on a bit of a side track, what are most people seeing mileage wise with the 3.2?

Depends on how hard you ride. Claims are between about 100 miles per tank to about 125-130 per tank.

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I have the IMS 3.2 on my bike. I had a natural one on the bike originally, but after years in the sun it started to look aged. So I took it off and rode with the stock tank for a while, and then bought another new IMS 3.2. I like it because it looks reasonably stock. I just don't like the way the larger tanks look with their wings, looks weird to me, but that's just a personal preference.

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