Stihl weed trimmer very hard to turn over with pull cord

   / Stihl weed trimmer very hard to turn over with pull cord #12  
I have an Echo trimmer. After running the trimmer empty for the winter, I do want the manual says to do and that is put a few cc’s of 2 cycle oil in the spark plug hole and pull the rope a few times and then leave cylinder at top dead center. In the spring I pull the plug again and pull the rope a few times and install the plug and it always fires right up without any resistance.
 
 
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