'81 KZ550 LTD leaky petcock bolts - Page 2 - Kawasaki Motorcycle Forums
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post #11 of 43 (permalink) Old 05-13-2017, 06:44 AM Thread Starter
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Finally got around to putting in the factory washers and reinstalling the petcock again yesterday. Nogo!! ))8 sheeesh.
After bolting the petcock back on, I poured a cup of gas into the tank and held it up then tilted back to check for leaks.
It still leaks a little from the bolts and it appears a little from the oval o-ring. The underside of the tank isn't perfect but it's not that bad and didn't leak when I got it. Other than unbolting the petcock for paint and cleaning with thinner.
Am wondering if anyone has done anything to make sure that area is smooth and flat. Am thinking about spraying a really
thin coat of primer on that area then sand it flat with a block and #320 thru #600 paper. If that doesn't work will try some Seal All then finally, use it for drop kick practice. (8
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post #12 of 43 (permalink) Old 05-13-2017, 03:11 PM
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Try plumbers tape on your screws War there has to be some type of sealer you can put on your screws

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post #13 of 43 (permalink) Old 05-13-2017, 03:11 PM
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Or the bolts

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post #14 of 43 (permalink) Old 05-13-2017, 03:15 PM Thread Starter
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Originally Posted by 2013masterchef View Post
Or the bolts

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Yup there are a few types. A commonly available one is called "Seal All" and you can get it at Home Depot, Walmart, Advance Auto Parts... the thing that worries me is the threads shouldn't need to be sealed if everything else is right but I can't find anything wrong. Starting to wonder if the petcock base has a hairline crack or something.

thanks for replying!
bill
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post #15 of 43 (permalink) Old 05-13-2017, 03:20 PM
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Do you have a modifying glass in your toolbox they're good look for hairline fractures and cracks

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post #16 of 43 (permalink) Old 05-13-2017, 03:24 PM Thread Starter
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I'm afraid you have me at a disadvantage. What's a modifying glass?
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post #17 of 43 (permalink) Old 05-13-2017, 03:33 PM
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Lol magnifying glass

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post #18 of 43 (permalink) Old 05-13-2017, 03:39 PM Thread Starter
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Lol magnifying glass

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Apologies I should have realized that!! The answer is "ehyep". I looked but didn't see anything. The reason I now suspect something like that is because of those times when I reinstall the petcock and it doesn't leak until I push the rear tank post back into the frame grommet, at which time it begins to leak. Sometimes drip drip and others it just pours out....
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post #19 of 43 (permalink) Old 05-13-2017, 03:43 PM
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Funny u got a sexy kiwi next to the Suzuki lol

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post #20 of 43 (permalink) Old 05-13-2017, 03:47 PM Thread Starter
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Funny u got a sexy kiwi next to the Suzuki lol

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thank! Am also making a huge mess...too many things going on at once. I thought this one would be behind me weeks ago!

)8

cheers,
b
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