I have a 2009 FLHTC with a 106 motor.it is S&S cylinders and pistons and port and polished heads.
lately it awards oil is weeping around the rear cylinder base. It has about 2-3 thousand on the engine build.
Has anyone seen a twin cam based engine with the o-ring cylinder base gasket leak?
I know how to fix it just wonder if anyone has seen this before.

 

Had same problem,took advice from a builder and used Threebond. Never had another leak!!

 

Any fix to this issue? While making my own cam chain locking tool out of abs and Dremel, I damaged cylinder base slightly from cylinder smacking base where o ring goes block. I was thinking about using threebond?