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tune yfz450r

  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. New Member Intros
    2017 YFZ 450r on this I have a full HMF system, I have the GYTR air box adapter and filter on order. Of course it has the stock bog still and the HMF backfires, the machine runs and starts good but I’m looking to see if it’s worth getting the Vortex ECU. I plan on tracking it daily so I’ll spend...
  3. Maintenance
    Hello, I'm currently tuning a YFZ 450R engine via the PE3-software and I would like to know where I could acquire a stock, base-map tune in order to compare and contrast my current ECU tune to the OEM ECU tune. Additionally, My team and I have upgraded the internals on the engine: Upgraded...
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