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Cylinder Head O-Rings - Help!

Sep 6, 2006
26
0
#1
Silly question so forgive me. Do any of you have tips or advice on how to get the 2 o-rings back into the cylinder head? I took them out to clean the cylinder and cannot get them back in. They almost appear to be a little too large and end up with a bubble on one side that just won't go back down into the groove on the cylinder.

Am I correct in assuming that new rings would fit better? I would prefer to avoid that right now because the bike has already been torn apart for over a week waiting for a part and having to order these rings would cost me another week.
 



Feb 7, 2007
38
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#4
This info don't help you because of the time needed but anyway:
Leave them apart for 1 week and they will take back their shape.
 
Aug 16, 2004
1,011
0
#5
You can set them in the sun for a day and it will help to shrink them back down a good amount.

Also, applying a little vasoline to the oring can help hold it in place during assembly.

But in the end, new is the right thing to do.
 
Sep 6, 2006
26
0
#6
Thanks for the advice. I know it is best to replace them, and I intend to do so, but was hoping to ride this week so I will try the other tips and see if that works for the short term.