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<P class=MsoNormal style="MARGIN: 0in 0in 0pt"><FONT face=Arial><STRONG>General
engine problem</STRONG></FONT></P>
<P class=MsoNormal style="MARGIN: 0in 0in 0pt"><FONT face=Arial>I have a YS91AC
that runs fine but leaks fuel around the glow plug.</FONT></P>
<P class=MsoNormal style="MARGIN: 0in 0in 0pt"><FONT face=Arial>It appears that
the plug is not square to the head casting so the </FONT></P>
<P class=MsoNormal style="MARGIN: 0in 0in 0pt"><FONT face=Arial>copper gasket
does not completely seal the joint. </FONT></P>
<P class=MsoNormal style="MARGIN: 0in 0in 0pt"><FONT
face=Arial> <?xml:namespace prefix = o ns =
"urn:schemas-microsoft-com:office:office" /><o:p></o:p></FONT></P>
<P class=MsoNormal style="MARGIN: 0in 0in 0pt"><FONT face=Arial>Before I take
the problem to my machinist son-in-law are there </FONT></P>
<P class=MsoNormal style="MARGIN: 0in 0in 0pt"><FONT face=Arial>any suggestions
as to how I might resolve the problem?</FONT></P>
<P class=MsoNormal style="MARGIN: 0in 0in 0pt"><FONT
face=Arial> <o:p></o:p></FONT></P>
<P class=MsoNormal style="MARGIN: 0in 0in 0pt"><FONT
face=Arial><STRONG>History:</STRONG></FONT></P>
<P class=MsoNormal style="MARGIN: 0in 0in 0pt"><FONT face=Arial>Bought engine at
deep discount with damaged threads and had </FONT></P>
<P class=MsoNormal style="MARGIN: 0in 0in 0pt"><FONT face=Arial>Clarence Lee
install helicoil insert. The first owner was full scale </FONT></P>
<P class=MsoNormal style="MARGIN: 0in 0in 0pt"><FONT face=Arial>engine mechanic
so I expect the problem was from the factory.</FONT></P>
<P class=MsoNormal style="MARGIN: 0in 0in 0pt"><FONT
face=Arial> <o:p></o:p></FONT></P>
<P class=MsoNormal style="MARGIN: 0in 0in 0pt"><FONT face=Arial>New YS110 is
listed at $329, new head-cylinder/sleeve about $150.</FONT></P>
<P class=MsoNormal style="MARGIN: 0in 0in 0pt"><FONT face=Arial>My personal
threshold is not to spend more than 1/3 the price of a </FONT></P>
<P class=MsoNormal style="MARGIN: 0in 0in 0pt"><FONT face=Arial>new replacement
in repair parts. </FONT></P>
<P class=MsoNormal style="MARGIN: 0in 0in 0pt"><FONT
face=Arial>Ideas?</FONT></P>
<P class=MsoNormal style="MARGIN: 0in 0in 0pt"><FONT
face=Arial> <o:p></o:p></FONT></P></DIV>
<DIV><FONT face=Arial>John Ferrell W8CCW<BR>"My Competition is
not my enemy"<BR><A
href="http://DixieNC.US">http://DixieNC.US</A><BR></FONT></DIV></BODY></HTML>