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fuel controller

  1. YFZ450 & YFZ450R General Talk
    I have a 2019 yfz 450r with a full hmf egg shape exhaust, gytr air filter mod, and the hmf fuel optimizer. If someone could help me out with what I should adjust the settings to for the best tune. Right now it is the beginning of winter where I am. It still has a slight bog and the pipe glows...
  2. Maintenance
    I have a 2019 yfz 450r with a full hmf egg shape exhaust, gytr air filter mod, and the hmf fuel optimizer. If someone could help me out with what I should adjust the settings to for the best tune. Right now it is the beginning of winter where I am. It still has a slight bog and the pipe glows...
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