Re: oil mixture on new motor break in? 80cc Chinese motor.
the book on my 80cc says 16 parts petrol to 1 part high-grade 2 stroke motorcycle oil (65ml Penrite 2 stroke motor oil to 1 litre of 91 octane unleaded petrol) for first 500km break-in then it changes to 20 to 1 after that . I also found that checking all nuts bolts and screws after each ride was also needed . I"m still in my break-in period so thats as much as I can say right now hope that helps , Good luck