03 90hp Yamaha has drip around 3rd plug

lilwily

Cadet
Joined
Sep 25, 2001
Messages
24
I just got through doing the after-break in maint. on this new motor. It is running great....but when i looked at the plugs, the bottom plug had a little drip coming from it. It was coming from around the threads. This is an inline 3 cyl. It was the bottom plug....and dripped enough to have a little puddle in the bottom cowl. Maybe the size of a half dollar. You can see the drip....it is dark in color....going from the plug...down the head and dripping on the cowl.<br /><br />The plugs were tight....pulled them and they were clean...a little fuel around the threads. Any comments?<br /><br />Thanks,<br />Wily
 

ob

Admiral
Joined
Aug 16, 2002
Messages
6,992
Re: 03 90hp Yamaha has drip around 3rd plug

Might have been a small piece of debris on head surface when plug was installed or an imperfection in the plug seal washer.Try cleaning the head surface and installing a new plug.
 
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