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What's causing a popping sound from tank/petcock?
- nob_1100
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If I touch the petcock I can feel the beat. I also see the gas flow in the fuel line pulsating at the same rate. I have never seen (heard) this in the half dozen bikes I've owned although none were as large as 1100. Does anyone experience this? Is there a fix?
83 1100 Ltd
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- dman3998
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you got that Travelocity Gnome in your tank and he is sending Morse code trying to get someones attention to let him out.
you need to to cut a big hole in your tank and let the little guy get out.
If you dont, we will report you to the SPCG, That's the Society for the prevention of Cruelty to Gnomes.:S
Sorry, just came to me. have never heard of a problem like yours. pretty strange.
Dman
SE Idaho
"Smart only goes just so far, STUPID is UN-limited"
79 KZ1000 LTD
Honda XRL650L
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Yamaha DT400B
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- Patton
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Thinking cap vent might be clogged.
Good Luck!
1973 Z1
KZ900 LTD
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- Patton
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1973 Z1
KZ900 LTD
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- nob_1100
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SO! your the one thats got him!!!!
you got that Travelocity Gnome in your tank and he is sending Morse code trying to get someones attention to let him out.
LOL. Wish it was the gnome; I could simply feed it to my iguana. No wait, he's strictly a vegetarian I forgot!
83 1100 Ltd
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- nob_1100
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Is the bike equipped with a fuel gauge?
It is. It's working fine.
As for the sound when the tank cap is open, I'll have to check that later. Where's the cap vent? Is that the large rubber ring beneath the cap?
I just want to ask everyone this: do you feel pulsation when you touch your petcock (I have a mild fear that this sentence is taken to mean something else...)
83 1100 Ltd
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- TexasKZ
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1982 KZ1000 LTD parts donor
1981 KZ1000 LTD awaiting resurrection
2000 ZRX1100 not ridden enough
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- nob_1100
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It could be the petcock itself. If the spring is weak or if there is a small vacuum leak or if you don't hold your mouth just right, the petcock diaphragm can falp back and forth with the rhythm of the vacuum pulse from the carb. A plugged tank ventcould also contribute to the music.
Since two of your mentioned the possibility of clogged vent, can you please point me to the exact place where I should check? A replacement tank cap doesn't cost much, but I'd be happier if I can fix it.
I rebuilt the petcock last year (I think), and I assume the rebuild kit came with a new spring.
83 1100 Ltd
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- Patton
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As to fuel gauge, was thinking maybe some part on sending unit was possibly bonking against inside of tank.
Good Luck!
1973 Z1
KZ900 LTD
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- Locozuna
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I'm betting on the gas level float.....
KZ900LTD, KZ750LTD, KZ650, 72'Triumph Trident
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Of the Moon,
Down the Valley of the Shadow,
Ride, boldly ride,"
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"If you seek for Eldorado!"
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- nob_1100
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First, test by running with cap open or ajar, and if problem persists it's likely not vent related. If noise stops, then time to clear the vent.
As to fuel gauge, was thinking maybe some part on sending unit was possibly bonking against inside of tank.
Good Luck!
I just filled up the tank this morning, so I'll do the test when the level gets lower. Thanks for the explanation.
83 1100 Ltd
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