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912 fuel leak

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SJA

Joined: 22 Jan 2006
Posts: 5

Posted: Tue Oct 03, 2006 4:58 am Post subject: 912 fuel leak

Before I contact the mechanic: 



Last week I had a partially blocked main jet on the right carb.  Cleaned it, floats fine, etc.  Checked the left, and, it looked good.  Replaced the plugs (it was time) and all looked about the same = tannish.



Now, on the left, Ive got a fuel leak that seems to come from the carb.  The blow by tube feels dry.  But the bottom of the carb is wet, and a leak is dripping under the carb.  



So just for start:  Is it the gasket?  The blow-by? 



Any ideas?

Thanks.

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pjeffers(at)talktalk.net
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Posted: Tue Oct 03, 2006 9:22 am Post subject: 912 fuel leak

Hi,



Could well be the gasket on the carb bowl.  They do get displaced when you

refit and then get cut up.   The problem is worse if you have the older type

of cork seals because they get displaced more easily and are more fragile.

The later seals are some sort of more rigid plastic that fit well into the

grooves.



Regards   Pete Jeffers



PS you did not say which engine but I answer for the 4 strokes



--

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