What can I do too get more power out of my Imaycc 80cc 2 stoke motor

That depends on how much time you want to spend fine tuning it, simple things help a lot. A better exhaust and air cleaner along with a proper jetted carb will improve much. Rarely do you find a engine that runs to its potential straight out of the box.
 
What can I do too get more power out of my Imaycc 80cc 2 stroke motor
The exhaust port is way to small use die-grinder to increase diameter by 1/3 don't over do it over-porting could blow engine.
30% more is sweet spot. And bypass baffle inside muffler and port muffler also. Port should be little smaller then exhaust port not larger you need some back pressure. And yes this will void warrantee. I got about 4-5 MPH more with porting.
porting.png
 
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You can check out my threads there's to many things that can be done to it...
 

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