octane

  1. Skeems

    My mpg is crap

    I just bought a used 2018... and it had the Exhaust taken off to make it louder when riding I’m only getting 20 something mpg is the exhaust the problem or something els? I am only using 90 octane also because that’s all I can get around me..
  2. Tom

    Octane for Chad’s maps?

    After looking in the manual today, I saw they recommend 91 octane. I’ve been using 93 lately, and I know this will produce less power if timing isnt tuned for it. Seeing as how our bikes have no knock sensor, and thus doesnt pull timing on detonation, I was just wondering what the...
    • Tom
    • Thread
    • bikes chad’s knock octane timing
    • Replies: 11
    • Forum: KTM Performance
  3. Seth

    Not racing but what fuel?

    Hi All, I take my RC out every couple days and would like to know if it would be okay to run either RACE FUEL available locally at 11 bucks per gal or go with a local Ma and Pa non ethanol 92 octane at the country market. Please note cost is not a factor.. this bike get phenomenal fuel mileage...
  4. W

    USA spec RC390 - recommended octane?

    Does KTM require high octane fuel in the RC390?
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