1. 

   mdabyo Well-Known Member

   06-07 Yamaha R6 Genuine YEC ECU and Harness + YEC connection cable!
   
   Genuine YEC Racing ECU and Harness, YEC ECU tunes the bike in ways a PCV cannot.
   
   $450

    

   mdabyo, Apr 19, 2018

   #1
2. 

   hearno33 Well-Known Member

   if my bike was already tuned, will it need to be redone or will this negate or supersede what was done?

    

   hearno33, Apr 24, 2018

   #2

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