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Old 04-23-2013, 06:26 PM   #6106
KamikazeKLR
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Joined: May 2012
Location: Winnipeg, Manitoba
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Quote:
Originally Posted by Unstable Rider View Post
It needs to be able to breath or fart on occasion.

If we were fuel injected, it would be sealed. Our caps are vented".

Be glad we don't have the gay rubber hose coming out of it like real dirt bikes.

Watch this video, you will see his gas cap leak as well.

http://www.youtube.com/watch?v=OOCTsna2jiI&feature=context&context=C4d3dbceVAvjVQa1PpcFNkMJfxvUnS1xaM1duicfTC jjatarDfcME=
But I thought the tube coming out the back under the seat was the vent... in which case nothing should be coming out the cap?
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Old 04-23-2013, 06:35 PM   #6107
Unstable Rider
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I know the lines you are talking about.

Actually, the longest one, that indeed runs the length back under your seat, is the radiator overflow line. Follow it sometime. If your radiator overflow ever bilged really bad, it would blow hot antifreeze onto your back tire from under your fender.

Here some other gas cap info,

http://www.klr650.net/forums/showthread.php?t=80042
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Old 04-23-2013, 06:46 PM   #6108
sandalscout
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EDIT - Disregard, the link above from Unstable Rider is more thorough, and more right than my post... good link!
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Old 04-23-2013, 06:52 PM   #6109
SkiBumBrian
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My KLR has one of those "gay rubber hoses" for a vent and guess what? It doesn't leak when on its side and yours shouldn't either, at least not around the cap.....
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Old 04-23-2013, 06:56 PM   #6110
sandalscout
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Quote:
Originally Posted by SkiBumBrian View Post
My KLR has one of those "gay rubber hoses" for a vent and guess what? It doesn't leak when on its side and yours shouldn't either, at least not around the cap.....
Those have a check valve in them, right? That's what prevents it from leaking?
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Old 04-23-2013, 07:13 PM   #6111
SkiBumBrian
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Yeah, you buy the valve separately. My actual hose is only an inch long or so with the valve stuffed in it.
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Old 04-23-2013, 07:23 PM   #6112
8lives
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My DR350 had a little "gay hose" also!
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Old 04-23-2013, 07:31 PM   #6113
SkiBumBrian
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This is the only pic I could find show my "gay little hose". I didn't like it draped up and through the triple tree so I just cut it off erect and stuffed a valve in it. Is it me or is this thread sounding suggestive all of a sudden ??
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Old 04-23-2013, 07:32 PM   #6114
KLRsys
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Leaking gas cap

In the lower part of the picture below you will see a rubber o-ring just below the hinge screw. On a couple of my KLR's the o-ring was missing or not sealing well. If it doesn't seal it will leak gas if the bike is laid over. That o-ring is at the top of the pipe that runs inside the tank and exits at the rear of the tank right above the rear tank mounting bolts. I normally super-glue a second o-ring in just to make sure it doesn't leak, which is what I have done to the bike in the picture.

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Old 04-23-2013, 07:37 PM   #6115
8lives
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Ya I agree,Brian I got some Heath issue going on at the moment,I'll hit you to go breeze some dirt as soon as I fiquer out what's wrong with me.
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Old 04-23-2013, 08:21 PM   #6116
sandalscout
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Quote:
Originally Posted by KLRsys View Post
In the lower part of the picture below you will see a rubber o-ring just below the hinge screw. On a couple of my KLR's the o-ring was missing or not sealing well. If it doesn't seal it will leak gas if the bike is laid over. That o-ring is at the top of the pipe that runs inside the tank and exits at the rear of the tank right above the rear tank mounting bolts. I normally super-glue a second o-ring in just to make sure it doesn't leak, which is what I have done to the bike in the picture.
I had no idea that was supposed to be there! doh! I just glued one in place on my bike as it was missing. it's just barely sticking up above the lip, I may glue a second one in place also. I wonder if this will stop the whistling I hear when my tank gets lower.
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Old 04-24-2013, 07:24 AM   #6117
KamikazeKLR
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Quote:
Originally Posted by KLRsys View Post
In the lower part of the picture below you will see a rubber o-ring just below the hinge screw. On a couple of my KLR's the o-ring was missing or not sealing well. If it doesn't seal it will leak gas if the bike is laid over. That o-ring is at the top of the pipe that runs inside the tank and exits at the rear of the tank right above the rear tank mounting bolts. I normally super-glue a second o-ring in just to make sure it doesn't leak, which is what I have done to the bike in the picture.

This is helpful. I'll take a look tonight and see what I find. See, I thought the problem might be the bigger o-ring on the inside of the cap that covers the big hole. I thought that guy might be old or compressed or something. I DID have to take the cap off to paint my tank, maybe it fell off somewhere. Either way, I'll make sure my cap area looks like that!
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Old 04-24-2013, 07:30 AM   #6118
8lives
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Ya me too,saved the picture and gonna make sure my O ring is there also
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Old 04-24-2013, 08:19 AM   #6119
KLRsys
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Quote:
Originally Posted by KamikazeKLR View Post
This is helpful. I'll take a look tonight and see what I find. See, I thought the problem might be the bigger o-ring on the inside of the cap that covers the big hole. I thought that guy might be old or compressed or something. I DID have to take the cap off to paint my tank, maybe it fell off somewhere. Either way, I'll make sure my cap area looks like that!
I believe there are o-rings under the hinge screws so if you took the cap off those could have gone missing although not much fuel would get past the threads. There are also some mushroom type valves inside the fuel cap (where the lock cylinder is) that can go bad but that won't cause it to leak fuel from the cap area if the vent line o-ring is sealing.
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Old 04-24-2013, 08:31 AM   #6120
KamikazeKLR
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Luckily for me, I have a Tech Day planned Friday at my place with all the Winnipeg guys. Maybe one of them could also help me if I can't fix it by then.

Also, I randomly had issues with the bike again yesterday...
I could get it started just fine but it needed to be kep reving pretty high or it would die. so I set the idle screw to hold it a bit more open until it at least warmed up properly, so I rode around with pretty high rpms to see what would happen.
When I got back home (still revving pretty high) When I got off the bike and left it running it just died by itself. From like, 2000-2200 rpm. That shouldn't happen. Like, Reving.. reving.. reving.. annnnnnnd sputter and die. what the hell.
And it was running 100% before that
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