Odd situation : only half of chain teeth beat up

   / Odd situation : only half of chain teeth beat up #11  
I also only sharpen until it is sharp...not until it is even with the other teeth.
 
   / Odd situation : only half of chain teeth beat up #12  
I used to do the same thing until I read Stihl’s sharpening guide material. After reading the guide I went out and took 7 old chains and sharpened the chain including taking down the depth gauge accordingly. The difference between sharp and awesome came through loud and clear. If you want to see chips fly like butter - do it by the book

 
 
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