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   Post on Zipper Installation Rotax 912UL in Rotax and other engines

   By Av8r3400, posted 29 Sep 2015

   Here is the installation of my Big Bore Zipper kit.
    
   I am starting with a 200 hour Rotax 912 UL, 80 hp engine.  It is about a 1997 vintage engine.  The engine has not run since 2009 when I bought the airplane.  It was in good running order then.  
    
   I hope to document the installation of the kit as well as the condition of the engine.
    
   Here is the engine fully assembled to start with the mount still attached.
    
   
    
   Here is the beginning of the teardown starting with the engine mount and rocker covers (for painting).
    
   
    
   I have scanned in the instructions given with the kit and have posted them here.
    
   Zipper.pdf
    
    
    
    
   I will attempt to document as much as possible.  Please try and keep this thread on topic for future reference...