Subject: RE: RE installing rings problems
Author: Zerhackermann
Date: Aug 7, 2002, 11:48 AM
Post ID: 1710755653
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They do move. thats why you don't line them up. the chance of all three
lining up at the same time is very small, probably immeasurably so. As
for how I know? A buddy was riding the DR650 (single) up from vegas
after I had purchased it. in boise he lost just about all the
compression and it sounded bad. He gets to a friend and pulls the top
end. A PO had inflicted some wound on the piston (dropped most likely)
and the theory is that it cracked and eventually broke loose and ate a
1" chunk from the edge of the piston down to the first ring. I made
itself known when the rings lined up and all the compression blew past
that missing piece and through the ring gap. It is possible that the PO
had lined them up in the first place upon install. new piston and a
bored cylinder and he was back on the road.
Ah the pain we inflict on our beasts.
-----Original Message-----
From: Martin Cooke [mailto:cook-@virgin.net]
Sent: Wednesday, August 07, 2002 4:50 AM
To: Loopfram-@topica.com
Subject: Re: RE installing rings problems
very true, you should do that. thing is....i can't believe they don't
move round while running. anyone know for sure?
cookie
----- Original Message -----
From: Pete <mailto:plsch-@aol.com>
To: Loopfram-@topica.com
Sent: Wednesday, August 07, 2002 3:09 AM
Subject: Re: RE installing rings problems
In a message dated 08/06/2002 3:03:26 AM Eastern Daylight Time,
cook-@virgin.net writes:
something may be worth trying is to clean out the ring groove in the old
piston before fitting the new rings.
there is a special tool for the job, but many ppl use a section of
broken
ring. you probably have that :-)
Havent done it myself yet but I rememeber reading that the ring gap
should be staggered around the piston, in other words the ring gaps
shoudl not all be at the same point.
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<DIV><SPAN class=559414218-07082002><FONT face=Courier color=#0000ff size=2>They
do move. thats why you don't line them up. the chance of all three lining up at
the same time is very small, probably immeasurably so. As for how I know?
A buddy was riding the DR650 (single) up from vegas after I had purchased it. in
boise he lost just about all the compression and it sounded bad. He gets to a
friend and pulls the top end. A PO had inflicted some wound on the piston
(dropped most likely) and the theory is that it cracked and eventually broke
loose and ate a 1" chunk from the edge of the piston down to the first ring. I
made itself known when the rings lined up and all the compression blew past that
missing piece and through the ring gap. It is possible that the PO had lined
them up in the first place upon install. new piston and a bored cylinder and he
was back on the road. </FONT></SPAN></DIV>
<DIV><SPAN class=559414218-07082002><FONT face=Courier color=#0000ff
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=559414218-07082002><FONT face=Courier color=#0000ff size=2>Ah
the pain we inflict on our beasts. </FONT></SPAN></DIV>
<DIV><SPAN class=559414218-07082002></SPAN> </DIV>
<BLOCKQUOTE dir=ltr style="MARGIN-RIGHT: 0px">
<DIV></DIV>
<DIV class=OutlookMessageHeader lang=en-us dir=ltr align=left><FONT
face=Tahoma size=2>-----Original Message-----<BR><B>From:</B> Martin Cooke
[mailto:cook-@virgin.net] <BR><B>Sent:</B> Wednesday, August 07, 2002 4:50
AM<BR><B>To:</B> Loopfram-@topica.com<BR><B>Subject:</B> Re: RE
installing rings problems<BR><BR></FONT></DIV>
<DIV><FONT face=Verdana color=#000080>very true, you should do that. thing
is....i can't believe they don't move round while running. anyone know for
sure?</FONT></DIV>
<DIV><FONT face=Verdana color=#000080></FONT> </DIV>
<DIV><FONT face=Verdana color=#000080>cookie</FONT></DIV>
<BLOCKQUOTE dir=ltr
style="PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #000080 2px solid; MARGIN-RIGHT: 0px">
<DIV style="FONT: 10pt arial">----- Original Message ----- </DIV>
<DIV
style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: black"><B>From:</B>
<A title=pl-@aol.com href="mailto:plsch-@aol.com">Pete</A> </DIV>
<DIV style="FONT: 10pt arial"><B>To:</B> <A title=Loopf-@topica.com
href="mailto:Loopfram-@topica.com">Loopfram-@topica.com</A>
</DIV>
<DIV style="FONT: 10pt arial"><B>Sent:</B> Wednesday, August 07, 2002 3:09
AM</DIV>
<DIV style="FONT: 10pt arial"><B>Subject:</B> Re: RE installing rings
problems</DIV>
<DIV><BR></DIV><FONT face=arial,helvetica><FONT size=2>In a message dated
08/06/2002 3:03:26 AM Eastern Daylight Time, <A
href="mailto:cook-@virgin.net">cook-@virgin.net</A> writes:
<BR><BR><BR>
<BLOCKQUOTE
style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #0000ff 2px solid; MARGIN-RIGHT: 0px"
TYPE="CITE">something may be worth trying is to clean out the ring groove
in the old <BR>piston before fitting the new rings. <BR><BR>there is a
special tool for the job, but many ppl use a section of broken <BR>ring.
you probably have that :-) <BR><BR></FONT><FONT lang=0 face=Arial
color=#000000 size=3 FAMILY="SANSSERIF"></BLOCKQUOTE><BR></FONT><FONT lang=0
face=Arial color=#000000 size=2 FAMILY="SANSSERIF"><BR>Havent done it myself
yet but I rememeber reading that the ring gap should be staggered around the
piston, in other words the ring gaps shoudl not all be at the same point.
</FONT></BLOCKQUOTE></FONT></BLOCKQUOTE>
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