hello there this is my first time writting here. I come from Greece.
I have the following problem:
Beginning at middle throttle i see many bubbles coming from the pump to the carburetor and the engine isn/t getting faster and just quits. The bubbles are not coming from the tank system, as there are no bubbles in that line.
But I had ~20 flights and the engine was the best... At the 21 I had the problem during the flight.
From then the engine has not run again properly...
After half throtle i have the bubles and the engine quits..
I realy thinking go back to the two stroke os engines...
Everything in the engine is good... tank and fuel lines.. also 20% oil in the fuel.
Please realy we need your help if you know anything...
Thanks,Andrew Athanasoulas!