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               Originally Posted by 
              Pegaso rider  
              I am surprised that in the era of the internet people still don't know what is the meaning of octane.
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         If You are running standard XT, Pegaso is right that it can be a waste of money to drive higher octane than 95.
         
        
 I like to think that the higher the octane is the "safer" the fuel is to My engine in all driving conditions.