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Change in head gasket?

jsandidge

jsandidge

Forum Sage
Past Site Supporter
I just received a nos head gasket for my 850. It is different from the one I took off. The opening for the cam chain tunnel is smaller, so it covers the groove that the rectangle o-ring sits in. Did I get a wrong gasket, or should I use it without the o-ring?
 
Is the new gasket MLS (multi layer steel)? That's the newest type. They don't use the rectangular O-ring nor loose seals around the outer cylinder studs.
 
I believe it is MLS. Here are some pics:

uc


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uc

uc


uc
 
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That gasket is not MLS. Regardless though, it's clear that the rectangular O-ring is not to be used.

EDIT: I think that gasket is an older version. The one in the photo is the current MLS type.


mls gasket.JPG
 
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