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Discussion Starter · #1 ·
Did a big search here and on HL. Getting conflicting info. That nasty crank case vent line that comes into your airbox with the the little filter on it - what's the best way to waterproof this? I
keep reading about 'looping it up over the airbox' - maybe it's me but I just don't get how that will work? I've also read where you take it and 'loop it around your gas tank'? Huh? Does that mean you take a new line, attach to your bottom end, loop that around your tank and than reinstall it in the same (stock) place, the little foam filter coming from the bottom? Is that right? So that means you create a 'high spot' (around the gas tank) and than loop it back under the airbox and reinstall in the stock airbox opening?

Dam, I'm confused.
 

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I dont have mine looped, but I do have both of my bikes emission tubes run up over the fuel tank. Between the rear of the fuel tank and the tank fender plastic there is a open space, so I just run it through there. I can take a picture if needed.
 

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Discussion Starter · #3 ·
QUOTE ("Dirty4man":2lb3nm5e)
I dont have mine looped, but I do have both of my bikes emission tubes run up over the fuel tank. Between the rear of the fuel tank and the tank fender plastic there is a open space, so I just run it through there. I can take a picture if needed.
Do you attach it back into the stock opening in the bottom of the airbox? What's the reasoning for doing that? Is it to make as long a passage as possible, therefore requiring that you need a lot more water to enter the crank?

Or are you just letting it hang there, in that open space around your gas tank? The idea being that it is now in a higher position than the stock application? I think this would be the best way of doing it.

I didn't think this was such a big deal, but when doing my searches I got some wierd info, and recommendations.

Bottom line - I don't want any water getting in there...

Geez, I'm just going to have to stop puzzy-footing around and fully snorkel this thing, ain't I?
 

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yes I have it run back to the stock location of the air box. When the hose running that high, if water even got into the air box, the bike would almost have to do a complete flip to get the water through it in the engine, unlike the factory route which is a straight run. If you play in alot of mud and water a snorkel would be a wise investment.
 

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I looped mine around the carb twice (between the air box and carb body) making a trap for water if I would get any in there. However I just had a few drops of water freeze in the line and clog it up causing a seal to pop due to pressure.
 

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I'm going to take a stab in the dark....but....I have seen in some 4x4 magazines where people have taken differential breather tubes on there Jeeps and so forth and extended them up through the bed or whatever, and then placed some sort of little filter on the end of it. The filter almost looked like a gas line filter, but a little different. It had small breather holes in it and the inner workings of it was like a cotton filament or something. Could you not do something like that to catch any moisture that may come near it. Or surely there must be some sort of valve out there that allows air to escape, but does not allow outside contaminents to come back in.

But hey, like I said, I don't know much about this stuff, so its just a stab in the dark.

Clark
 

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