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Whenever I take my motorcycle (MT-07/FZ-07) to the mechanic for the annual service the mechanic says he "tunes" the engine. I do feel a difference, especially a much smoother throttle response, and I was wondering what could he be doing to the engine.

According to the service manual the annual service should include the throttle body synchronization. Does that explain it or is there some electronic magic going on with the fuel injection or something?

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  • Is there a reason you can't ask him?
    – findwindow
    Commented Dec 7, 2022 at 16:14
  • He wouldn't answer. Trade secret sort of thing. It's strange he makes such a secret of it. Which made me even more curious.
    – joaoa
    Commented Dec 7, 2022 at 16:24
  • Might consider finding new mechanic? Edit: tune is nebulous. It can mean different things to different people.
    – findwindow
    Commented Dec 7, 2022 at 16:29
  • But what could he be doing that would do such an improvement on throttle response? This is just an annual service so I'm sure he's not going in too deep. Could throttle body synchronization explain it?
    – joaoa
    Commented Dec 7, 2022 at 16:37
  • I am unfamiliar with bikes but cleaning throttle body/MAF can definitely help performance in cars.
    – findwindow
    Commented Dec 7, 2022 at 16:44

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