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V7 Classic Oil seepage left side head Gasket

draidt

High Miler
GT Contributor
Joined
Sep 22, 2009
Messages
964
Location
Hernando, FL
I re torqued the heads twice so don't expect that is the problem small that it is. Oil appears on the back side fin where the head mates to the cylinder body shortly after a good spirited long run and it's only a smear and is gone until the next long run. I believe I have read some where that the problem could be that oil is getting in a stud bolt hole rear outer one in this case and is not being sealed by the gasket and weeps out. If this is the case what would be the recommendation if I do decide to replace the head gasket and avoid the same condition. Bike is under warranty, but would be more of a PITA to arrange a warranty and take it and leave it over 125 miles away. Changing the gasket does not intimidate me (AND NO PETE :mrgreen: ) I am not whining. I just want to avoid the same condition again.
 
Looking at the exploded view, I cannot see why the whole thing shouldn't be tight? The bolts are completly embedded into the gaskets, both at the bottom of the cylinderbody and at the head, as I can see.

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Back in the early 1980s we had a V50 III that seeped quite a bit of oil from between the head and cylinder on both sides. The way I got it to stop was to strip both sides. I then removed all the studs and cleaned the threads thoroughly. I then re-installed the studs using Loctite 271 to seal the threads. Upon re-assembly, no more weeping. That V50 was really making a mess, much more than you describe, so I'm not sure if such drastic action would be required in your case.
 
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