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Discussion Starter #1
I made a mount for my Roto-Pax gas can and I keep changing my mind on which way to face the can.

My first inclination was filler/spout side facing right-hand rear so when the bike is on the kickstand the fuel will not be against the cap.

Then, because I seem to have trouble getting the cap tight enough to always get a perfect seal I am wondering if I should face the filler/spout end the other direction even though it would be on the low side. Reason being, no hot exhaust on the low side.

What are your thoughts?

Also, how can I assure that I get a good, tight seal on that cap? :confused:


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gasoline. The ignition temperature is about 495° F- you can mount it any way you want, you need a more Manley grip! or channel lock plies.
 
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Hey Dette, what does a walrus and Tupperware both have in common ? They both like a tight seal !
 
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In that configuration, I'd go with the spout on the low side. One to keep it away from the muffler (I'll keep gasoline as far from any ignition sources as possible, regardless of ignition temps) , and two if it leaked it looks like it would drip to the ground rather than possibly on the bike. I wouldn't take it if I didn't trust it though. No point in carrying extra fuel if it doesn't stay contained and escapes before you use it.

Check the gasket and make sure it's not cracked or damaged, and the mouth of the can and inside the lid is smooth. If both surfaces are good, it should seal.
 

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Discussion Starter #6
The first time I used this fuel can I put two gallons in it and had it leak a little. This morning, I put one gallon in, tightened it as tight as I could, rode about 30 twisty miles and, so far, no leak.

I think I need to start working out because I'm a weakling and just don't have a lot of wrist strength. This becomes clear to me every time I want to open a jar of pickles or jam....lol.

So, I don't think the Roto-Pax can has a problem, the problem is me :D
 

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I forget what they are called ,but , they are made of rubber ( thin rubberish material ) and you place it around the cap your trying too open . This may assist you in getting all you can from your current grip ability .
 

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Frog13, something like this? Mine are called "grip wrench" and come in two sizes.Very handy for hard to grab-n-twist things like water filter housings, automotive oil filters, large pvc pipe, etc...
 

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Discussion Starter #11
How did you mount it to the rack. I've been looking for this kind of setup.
Two plates that can sandwhich the Cyclerack tubes. Drilled holes in both plates making certain the mounting hardware would be somewhat snug against the Cyclerack tube to hold it in place. I also used heater hose around the Cyclerack tubes to cushion the bracket and keep it from sliding and scratching my Cyclerack.

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Nice installation. I would mount it with the cap away from the pipe. When you fill the rotopax to it's full capacity, alway leave a little air space. The dark red color will cause the fuel to heat if it's in the sun much, and it will then expand. Air is compressible, fuel is not - so if you've left a little area for the fuel to expand it will put less pressure on the cap seal and there will be less chance of it leaking. You probably already knew or thought of that, but thought I would mention it just in case.
 

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I have a koplin mounted like yours. cap on low side away from exhaust and like someone else here said if it does you will see it leak to ground and not down your bike.
 

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This is my one gallon Rotopax, I also have the extension mount to add the one gallon water pax.i'm interested in the vertical bracket some are using to mount their fuel off the back. I also have a couple of three gallon Rotopaxs which are very nice. Have both Eco spout and plain jane retro spouts
 

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