octane rating to use

  1. inspectorcritic

    What octane is safe & Recommended 85? 87? 91?

    The only word I got from a Chinese motorbike company said only to use the lowest octane the motor is designed for low octane if higher octane is used some ancient Chinese curse happens, ( I forgot the name of the Chinese curse). Then I call up this big new 2 stroke oil company he gasps at my...
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