• If the O2 sensor is disconnected when trying the other exhaust wouldn't that potentially cause problems with fuel mixture, especially cold when the 'choke' would be applied.

  • According to the garage above the o2 sensor does nothing, so honda were just fitting them for fun.

    I haven't said but it did run with it disconnected and then just cut out and wouldnt restart again. I dont know why yoshi didnt have a fitting on the pipe out the factory tbh. Its a royal pain in the arse

  • Weird. Usually the O2 sensor contributes a bit although I would have thought the bike would run without it, just not as well.

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