70deg aux tank leak

Teflon taped the red plug and no more leaking from there.

I burned some of the fuel down and will apply teflon tape to the red plug threads tonight as well.

Kind of wish I had installed the tank and fan kit instead of the dealer even though the he did if for free. I would have tried to make some kind of disconnects because between the two the main tank is not going to be coming off for cleaning etc. Only when absolutely necessary. Its all good just did not know until I dug into it tonight.

Harowerks said:

Teflon taped the red plug and no more leaking from there.

Click to expand...

I'm glad to hear that the teflon tape solved your problem.

Chief Lee Visceral said:

Kind of wish I had installed the tank and fan kit instead of the dealer even though the he did if for free. I would have tried to make some kind of disconnects because between the two the main tank is not going to be coming off for cleaning etc. Only when absolutely necessary. Its all good just did not know until I dug into it tonight.

Click to expand...

Hi Chief,

I suppose taking the tank(s) off and putting them back on is easy for me since I have done it so many times during development.

The easiest way to get the main tank off when you have a fan kit, as you may have already found is to take off the muffler and loosen the sub tank/frame bolts, take out the top left bolt and let the sub frame/tank lay back. This will give you room to pull the main tank back so that it can clear the fan.

Put some sort of plug or cap on the vent line after you remove it from the T fitting by the gas cap, as the vent line will have fuel in it. This will also keep dirt and debris out of the vent line during removal and installation. I use an old cam follower axle.

When you disconnect the quick disconnect between the main tank and sub tank, be sure and blow off the quick disconnect with a lot of compressed air, as well as the surrounding area. If there is any mud or debris on the quick disconnect use an old tooth brush to break it free, and then hit with compressed air again so that nothing gets on the internal parts of the quick disconnect. The same is true for the quick disconnect that is between the main tank and the throttle body.

Once you get them apart, I put a plastic bag over both ends of the quick disconnects and secure them with a twist tie to keep debris off during your work.

When re assembling I use a little dab of ATF on the Viton O ring on the male side of the quick disconnect(s), to ease installation and keep from damaging the O ring.

Thanks Dale and see the logic. The sub frame tank disconnects are not readily accessible on mine though.
Seems my install is not standard. I am going to talk to dealer next week and leave it for now. See pics...

[attachment=0:4wbl7qyv]web.jpg[/attachment:4wbl7qyv][attachment=1:4wbl7qyv]web.jpg[/attachment:4wbl7qyv]

Chief Lee Visceral said:

Thanks Dale and see the logic. The sub frame tank disconnects are not readily accessible on mine though.
Seems my install is not standard. I am going to talk to dealer next week and leave it for now. See pics...

[attachment=0:8u6zk64l]web.jpg[/attachment:8u6zk64l][attachment=1:8u6zk64l]web.jpg[/attachment:8u6zk64l]

Click to expand...

Hi Chief,

The QD is not accessible while the tank is mounted. In the post above I was speaking about how to separate them when you pull the main tank.

From your photo's it looks as though things are normal.

I was out yesterday with the 570 and was surprised to run out of gas at 70mi. A friend noticed the level in the subframe and asked how I ran out and still had a full subframe. It seems the gas is filling the tank but it will not backfeed into the fuel pump when needed. My first guess would be some sort of venting blockage but I haven't looked at it. Any similar known issues?

cmsprofessor said:

I was out yesterday with the 570 and was surprised to run out of gas at 70mi. A friend noticed the level in the subframe and asked how I ran out and still had a full subframe. It seems the gas is filling the tank but it will not backfeed into the fuel pump when needed. My first guess would be some sort of venting blockage but I haven't looked at it. Any similar known issues?

Click to expand...

None that I have heard of. Easiest way to check if the vent is plugged is to crack open the side fill plug and see if the fuel flows into the main tank. If it does then your vent line is not working properly.

Dale - You were right on target as to the advice you gave when you called. It ended up being a vent line blockage due to a melted/fused tube. When I installed the tank on the 570 I didn't tie up the one area and the vent hose looped into the heat shield. Everything works perfectly again. Thanks for your continuing support for this tank. I consider it a must have for anyone who does the longer rides. It was good to catch up with you again, hopefully we can meet up in Colorado some time.

Just noticed the same leak after topping my bike off. I have the billet cap that's been drilled out a bit, no check valves on the bike. Also one of the brass inserts that fasten the ecu is loose. I'm pretty sure that the leak is fixed..

HI Dan,

How long have you had the tank?

We have a 90 warranty against defects in workmanship or materials. Drop my partner an email [email protected] and he should get you taken care of.

Dale

I also experienced the "top leak" recently after filling the sub-frame tank to the very top for the Lone Wolf ISDE. I *think* that this was the very first time that I had filled it to the very tippy-top.

It was pretty disconcerting when it kept weeping even though I had removed the gas cap to make sure everything was venting properly. The wife theorized it kept on weeping due to the vent hose from sub-frame tank having some gas trapped in a low spot.

But it's very nice to know that simply removing the red cap, cleaning, and replacing the teflon tape will probably fix the issue. Any particular type of gas-resistant, teflon tape to use? Or will just standard plumber's teflon tape will be okay?

Oh, and I have 814 miles / 35.4 hours on the 70D tank since I installed it. It worked great on our "Hooters on Scooters" ride with Baja Bound Adventures back in March. Very nice having that piece of mind on the 100+ mile days!

BTW, this Forum ROCKS! Not to mention just how cool 70D Racing is for designing and standing behind such a great product. Major props to 70D..... :rock:

Cheers! E-Ticket

I just recently purchased a used 2009 FE570 with aux tank. After filling the tanks I discovered that the aux tank is leaking at the top right side from the bolt which holds the bracket for electrical plugs, solenoid, etc. When I tried to remove the bolt it just turns. I guess the embedded ferrel nut bond to the plastic has broken. I would think that there would be adequate thickness of plastic to prevent such a leak but, obviously not. My question is has anyone had this problem and what fix did you use or suggest?

I'm about to pull the trigger on the 70 degree tank too. I just can't understand why an "enduro" would come with a 2.1 gallon tank. Even with my new gears (13/50) I'm getting good range (approx 45mpg depending on conditions of course) but to play it safe I never plan to ride more than 80 miles without a gas stop and that just doesn't cut it. I'm always the one nervous about gas and I want the peace of mind in having a range more in the 120's - 130's.

So, before I go this route, which ain't cheap, and will take some time to install correctly, is there anyone out there who would argue me out of this and suggest another alternative? I'd like one last opportunity to change course before spending this much money. I love the idea of having the extra gas without a wider tank, holding the weight lower on the bike and basically the fact that the bike will look exactly as it does today...also I understand that you can see the fuel level in the new subframe tank so that will be nice since today I just have to wait for the ***** light and at that point you're hosed unless you're already very close to fuel.

Anyone....Anyone....Bueler??

Shortly after my post yesterday, I heard from the good folks at 70 Degree. They are going to replace my leaking tank. That's better my idea of using JB Weld! Probably wouldn't bond to the plastic anyway. Many thanks guys.
P.S. The leak was on the upper left not right.

Abbynormal said:

Shortly after my post yesterday, I heard from the good folks at 70 Degree. They are going to replace my leaking tank. That's better my idea of using JB Weld! Probably wouldn't bond to the plastic anyway. Many thanks guys.
P.S. The leak was on the upper left not right.

Click to expand...

Thanks for your post Abby,

We stand behind our product!

Dale

A quick follow up, it appears that I have fixed my top leak with Teflon tape. I rode about 900 miles in Colorado last week and the tank worked great. I still have one of the brass inserts that spins in the tank but I'll get to that later, I've had the tank almost a year..

Just wanted to drop a line indicating how impressed I am with 70 Degree's customer support. I purchased a fx 450 that the Owner had unmounted the subframe tank on to sell separately but I ended up picking up the tank in the deal. He had cut the vent line upon removal and I contacted 70 Degree to find out the line specs to replace it. They very kindly offered to send me a length of new line. Now THAT is customer service.

BlueDevil said:

I'm about to pull the trigger on the 70 degree tank too. I just can't understand why an "enduro" would come with a 2.1 gallon tank. Even with my new gears (13/50) I'm getting good range (approx 45mpg depending on conditions of course) but to play it safe I never plan to ride more than 80 miles without a gas stop and that just doesn't cut it. I'm always the one nervous about gas and I want the peace of mind in having a range more in the 120's - 130's.

So, before I go this route, which ain't cheap, and will take some time to install correctly, is there anyone out there who would argue me out of this and suggest another alternative? I'd like one last opportunity to change course before spending this much money. I love the idea of having the extra gas without a wider tank, holding the weight lower on the bike and basically the fact that the bike will look exactly as it does today...also I understand that you can see the fuel level in the new subframe tank so that will be nice since today I just have to wait for the ***** light and at that point you're hosed unless you're already very close to fuel.

Anyone....Anyone....Bueler??

Click to expand...

I really like my 70 Degree tank on my FE570S. I think you will be happy. I installed mine on day one, I never even rode the bike with the stock set up on it. Here is why I'm replying to you, your mileage seems low on your bike. My bike is new, and with the factory sprockets, I was between 51.5 nad 53 MPG. I recently switched out the front sprocket from a 14 tooth to a 13 tooth, and I checked my mileage which was 48.5 for the first tank after the switch. All told, with the original sprocket, I ran 156 miles without a refuel. After the low fuel light came on, I ran another 30 miles and I still had fuel in the tank. I refueled the bike before running out, so I don't know the absolute maximum range with this setup, but 120-130 should be no problem for you. I plan on using 150 miles as my computation for mileage between fuel stops.