I had a similar problem with a 700 clutch and liner, both brand new. As recommended somewhere on this forum, I put a strip of paper underneath the liner, cut from the title page of the Finnish Aeronautical Association's monthly magazine 
Getting it started for the first time took a couple of attempts because too tight. I turned the main gear by hand for a while to give the clutch some "exercise". Once it idled, it took only a couple of minutes to break it in.
I was so happy that I forgot to start the timer and ended up autoing the 700 into a tree... with no damage to the heli
the tree lost some smaller branches though.

Getting it started for the first time took a couple of attempts because too tight. I turned the main gear by hand for a while to give the clutch some "exercise". Once it idled, it took only a couple of minutes to break it in.
I was so happy that I forgot to start the timer and ended up autoing the 700 into a tree... with no damage to the heli
the tree lost some smaller branches though.




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