I have wondred about that for a long time.I have been thru the manuel and nothing. Harleys has a knock sensor. Petrix should know. I know mine pings under a load at low speeds.
I have wondred about that for a long time.I have been thru the manuel and nothing. Harleys has a knock sensor. Petrix should know. I know mine pings under a load at low speeds.
I ran 87 octane before I went turbo. Bike made between 187-193rwhp depending on day and dyno. That was BMC race filter, Tsukigi Cannon, pair removed, tuned through ECU editor using a datalogger.
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