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From: curry@nsc.UUCP (Ray Curry)
Newsgroups: net.cycle
Subject: Re: New FZ600 debugging; oil on valve cover.
Message-ID: <3772@nsc.UUCP>
Date: Thu, 11-Sep-86 14:22:12 EDT
Article-I.D.: nsc.3772
Posted: Thu Sep 11 14:22:12 1986
Date-Received: Sat, 13-Sep-86 05:42:06 EDT
References: <6933@sri-spam.ARPA>
Reply-To: curry@nsc.UUCP (Ray Curry)
Organization: National Semiconductor, Sunnyvale
Lines: 16
Keywords: Do I have problems or is this normal?

You neglect to quantify the amount of oil.  First of all since its coming
from the valve (cam cover), its not a great problem unless the amount is
relatively high.  If is shows wet clear oil, as opposed to dry oilish powder,
that is too high.  The danger is that oil level can drop too quickly.  If
its the oily powder, then its no problem other than cosmetic.  The gasket
was probably scratched in the last installation.  Reused gaskets will do
that sometimes with a small tear.  Since oil pressure is high, the oil
will come out very small scratches.  The cover bolts could have been not
torque closely enough together or in the wrong pattern as well.  I use 
a 120 inch pound torque wrench myself on all covers.

The dry powder is realatively normal because of temperature cycling and
most engines left unwashed will show signs eventually.  Every engine type
has its own preference for cover installation and gasket replacement to
minimize seepage except old English which used gasket materials that 
scrubbed with temperature cycling immediately.