Author Topic: 86 C- 10 fuel cap leak.  (Read 406 times)

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Offline Arby

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86 C- 10 fuel cap leak.
« on: August 26, 2017, 09:48:59 pm »
This is a problem that started for me a couple of weeks age.  I have an 86 with the original factory fuel cap.  At a fill it leaks gas out the top until I run it down a ways.  This is something new to me as it never happened before.  I am concerned with water getting in when I get caught out in the rain.  Does anybody have a fix for this?  Lock works as designed and the cap looks flat when closed.  Rubber gasket isn't cut
 and doesn't show any visual wear.

Offline WillyP

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Re: 86 C- 10 fuel cap leak.
« Reply #1 on: August 27, 2017, 01:06:20 pm »
Take it apart and find the problem. Probably someone removed the check valve. Or maybe the overflow tube is blocked. Until you know what is wrong with it, the only fix is to stop overfilling it.
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